Mailcow not receiving email I send email from gmail to my domain and this is the postfix log that I can see. In RSpamd are the Mails visible an Tagged with no action. in, which is hosted on Mailcow, and I want to restrict its email communication only to abc. com, it returns 554 5. I also changed the IPV4_NETWORK to 172. I am able to send mail, but not able to receive. email autoconfig -> mail. 90, I entered the rspam container and verified that the rspam service is stopped and cleared all the . com Yes, I definitely prefer Mailcow over Stalwart. com account. However, in the afternoon, it stopped receiving mail from any addresses over the internet. com[ip] info Anonymous TLS connection established from mail. There is no problem in sending mails to any other domains. I look at the logs and I do not receive anything from ovh. com with a MX record pointing to mail. My Mailcow has processed 13. cloud After installing MailCow, I did not make any changes, I only added the domain and users. com mx -all” and this works for receiving but not for sending. But it did not come. Any help is appreciated 馃檪 Best regards! Hi im new in mailcow, i switched to new server (Hetzner) and mailcow to avoid deliverability problems that i had with contabo vps and plesk email services, i follow the instructions as per mailcow documentation for ubuntu installation, But i spend over 4 hours to fix the problem that not Sending emails, i cant understant why happened that, I Can't Receive Emails Not receiving emails? Below is the list of basic troubleshooting steps if you're having issues with your incoming emails. Here are the details: I followed the installation guide step-by-step. When i try to reply to the same email i get a bounce message back with this text : The message was not sent / 530 Authentication required. Hello, I installed MailCow Docker on my VPS, the installation worked well, but after testing, I noticed that I could not receive mail. As a result, I’m unable to modify my rDNS record, though I’m not sure if that’s relevant to my current issue. hs files from /var/lib/rspamd: I provisioned an Ubuntu 24 LTS Instance on DartNode VPS. com) to a Gmail account for example. com, and configure the mail domains not in both servers! Posted by u/pizzasamurai214 - 1 vote and 2 comments I am facing similar issue. This means: abc. I have had no problems so far with sending or receiving mail, except when someone sends me mail from Gmail. I’ve also setup SPF, DKIM and DMARC policies and the tests have been successful so far on MXtoolbox. kindly check my DNS details for a domain. Email sent through a different mail server (nethserver) with same clients are formatted as expected. com). 1 bc i was already using 172. I install my first mailcow serveur 3 days ago , no major issue with it , until tonigh , i notice a strange issue. Were you able to send outbound emails from a mail server before? The reason I ask is my (and I suspect many) ISPs block port 25. mailcow. However, it’s not possible to do this via mailcows GUI. I’ve setup logs using: Apr 4, 2023 路 The Issue Sometimes we need to send email from a device/server directly without a proper domain/valid domain name. How to reproduce Reproduce Steps to reproduce the behavior please explain how to reproduce the bug: send an email - nothing receiving works as expected. Initially they were getting to the spam folder and then I changed the spf from “v=spf1 a mx mail. com, because you want to receive actual mail. If it’s on an external box to Mailcow, then you are on the right track with what you posted above as details for hostanme, user & password, but you need to use SSL on port 465. com -all” to this and now all emails are getting to the inbox and not to the spam folder in gmail and outlook. (The required ports are open, but even with the firewall completely deactivated the mails do not arrive at MailCow). possibly via firewall. all the other ports are working fine Ah, you’re running your server at home, so it won’t be possible for you to set the reverse DNS at all… additionally your outgoing mails will mostly be blocked as SPAM because most mail servers check if the mail’s origin is a dynamic IP address of some ISP. I installed mailcow a couple of days ago. Jun 21, 2019 路 Hey, last night i installed MailCow, worked fine. 9k emails. protection. Mostly. com receives the mail as if it was user@mydomain. The given reason is that the sender in unauthenticated. The mail cow system is running on a Debian VM on unraid, which also has nginx proxy manger and a few other things running on there if that matters at all. The emails doesn’t even get to rspamd, so I think this is not rspamd problem. This has happened multiple times. esackbauer If I send a message from one of the email accounts that I have setup in Mailcow (peter@mydomain. record = MX, host = @, points to = mailcow. Also, incoming emails are not showing up in mailcow community - official community forum! When I am using OVH Cloud, I can send and receive mail. net”, but at the firewall the port is open “accept / TCP / 25 / 0. 2. Of course, you will then not be able to receive emails from or send emails to IPv6-only mail servers. com score of 7. I can send emails from SOGo to my personal Gmail and Outlook addresses with SPF and DKIM fully functional. Both, Mailcow and Stalwart, make the configuration easy and both are well Also it is important to understand that attachments get uuencoded into “human readable characters” because SMTP does not support binary attachments itself. 1) go to the administrator menu, (System > Configuration > System Mail) you will see the address that must be added to your white list in the spam filter. Then I restarted docker instances and I received new mails again. For example, if i sent a mail to me with my gmail oder yahoo account it works flawlessly within seconds. 7. I have configured my mail server in mail cow, Now I am able to send mails to all the domains, while i am not receiving their reply mails. com"; Feb 7, 2025 路 If you’re upgrading from mailcow stable to the nightly branch, all existing users will automatically receive a new attribute: Identity Provider, which is set to mailcow (SQL database) by default. 3, but the their receiving server only supports TLS 1. caronc/apprise wiki/Notify_email#e-mail-notifications. I've encountered an issue after updating to Veeam Version 12 and was hoping someone might have come across a similar problem or can provide some guidance. ghent. conf Problems with e-mail sending to yahoo. org is a primary domain. Hi there, I’ve followed the setup guide and cannot seem to get mailcow to work on my DigitalOcean VPS. My environment is rocky linux 9, and I’m using docker for the first time to set up mailcow. email = "noreply-dmarc@example. in should only be able to send and receive emails from abc. I followed the suggestions of the tutorials regarding setting and am thinking I have overcomplicated things for but i can send email to all domain. com autodiscover -> mail. I am able to receive emails to bbb@rokeby. I cannot send or receive email. Installation worked smoothly. Please help. Sep 2, 2020 路 I have the appropriate emails listed in mailcow. I have the following issue: From the Docker host system there were some system emails sent to root@localhost. There is an issue occuring in getting the email on the server. Database tables missing, Rspamd not running properly, config files corrupted. io/# But I don’t see any api for sendmail. https://mailcow. 2) go to the user menu of the email address on which you receive system messages, and add a rule to the spam filter whitelist. I already found myself unable to send or receive emails with mailcow after few days of working. I created a few email accounts. , yourdomain. If the postfix log I see this: Not sure if my postfix is doing this or the senders server is doing this? Feb 16, 2024 路 So M$, Proton, and Others, I can receive emails sent by their email servers but when sending from GMAIL, not even get a connection to the server. I works fine for a Jan 29, 2025 路 Mailcow sending out emails through SoGo but not recieving any emails #6277. Mailcow provides a modern and easy to use web interface to create and manage email accounts. I changed my DNS settings as per the new acme requirement. To get nofications for errors during backups. Mailcow is a all-in-one mail server suite based on Dovecot, Postfix, SOGo, Rspamd and other open source software, that provides a modern Web UI for administration, including API. Aug 27, 2019 路 Hi I have installed mailcow on Centos 7. 90. ^^ I tweaked the process to stop receiving emails and continue sending with DKIM and SPF by changing the mailbox size to 1MB, then I overloaded it with an email. Feb 19, 2020 路 Hello, since the mailcow update, I no longer receive verification emails from my ovh. Since I'm on residential IP, I can't change PTR records, so I won't be able to send anyway. ` Mar 11 14:02:29 mail postfix/smtpd[571]: All receiving domains hosted on mailcow send from one reporting domain. Hi, I hope this message finds you well. The mails howerver aren´t being rejected. I’ve set up a new VPS using Hetzner cloud and have followed the instructions to install mailcow. I'm not able to receive emails from any provider except Gmail. domain. All dns checks from the console check out and normal mail and services work (and localhost mail from the host machine is working fine). Yes, I did create a mailbox, not an email address. Problem: MX record for the mail. ETNyx the firewall is mine. If you do so, please include this problem report. It looks a bit like the mail has not arrived on the server. Dear Veeam Community,I hope this finds you well. /update. Thanks a lot for your time. com[2a01:111:f403:2613::701]: TLSv1. But the tests mails I sent from an unrelated @gmail. 1 but the dotcov container couldn’t access to dns so i changed the unbound config file and allowed the 172. 3 active. But do not change something in the compose. Jan 2, 2022 路 Below is what I get: `*** ENVELOPE RECORDS active/A1BA91A4D70 *** message_size: 3796 843 1 0 3796 0. For further assistance, please send mail to postmaster. What is the best way to achieve this in Mailcow? I am able to send mails from the mailcow via SES, but not to receive them. org is created. conf except for the http_port and https_port set to 8987 and 8988. email composed in betterbird –> not working; email composed in sylpheed –> not working; Using system wide footer is working with sogo, but not working (again umlaute) using a email desktop client. tld] 104. There is nothing of the mail in the logs. Yes, restarted the system a few minutes ago, uptime 8 minutes, but same behaviour. But the mails are not receiving in mailcow. My domain is: ghent. I don't really get many issues with sending email, and receiving emails works quite well. and now when I try to send an email, even without any subject, I get a “Mail Delivery System”. apiary. While IPv6 adoption is growing, many mail servers still rely on IPv4. It is recommended to use the parent domain of your MAILCOW_HOSTNAME: If your MAILCOW_HOSTNAME is mail. com, I try with another ovh account on gmail and I receive the verification email from ovh. Good morning, we are having a problem with our mail server. you said its working for others and not for you. Are you sure that your installation has enough ressources as per requirements? Mailcow is a all-in-one mail server suite based on Dovecot, Postfix, SOGo, Rspamd and other open source software, that provides a modern Web UI for administration, including API. 04 on my VPS, without a problem. Do I have to create an extra DNS record? I have no idea why always comes a timeout, i have set my DNS exactly as it says on the Mailcow page. com -> 10 -> mail. For reliable mail delivery, having an IPv4 address is currently Nov 25, 2022 路 I need a little help finishing setup of Mailcow on my Ubuntu VM please. Dec 22, 2018 路 Hello, first I searched in old issues but don't found any helping information. I can send email to everyone , no problem , I can receive email from everyone , except gmail , i don’t understand why ( and i dont found any gmail trace in logs 馃檨 ) Does someonehave an idear ? Looking to either self host or use a free mail service only for receiving emails (catch-all, multiple domains). 8/10. After the ins I use itzg/docker-mailserver for the email server, works great, and unlike mailcow does not need access to your docker socket. 2, can send emails to external address no issues (not getting flagged as SPAM) but I cannot receive… Mailcow not receiving mail #1878. google. In Sogo I can see my all sent mails in sent tab but inbox is empty. I found out that Hetzner (and most hosts) block port 25 by default, so I have instead set up a Mailjet account and I’m trying to use it as an SMTP relay. A Mailcow server is a collection of Docker containers running different mail server applications, SOGo, Postfix, Dovecot etc. It lands in inbox and not spam, which is reassuring. When I try sending an email, it returns with the following message: I saw another post on here that asked if they could telnet the IP that timed out, but the person didn’t respond. com recipients No confirmation for having read the release notes in 2025-05? Everything seems to work fine except email delivery from gmail. I think It's something with Postfix. I can send mails to Gmail without problems, but not receive them. 'Exchange Hybrid' O365 deployment (O365 receives and & filters mail) Similar to above, but O365 assumes all responsibility for receiving and filtering mail. traperto-hosting. If I try to send from sogo to sogo, it works as expected. including port 25. Haven’t gotten it to work. I actually also thought that you should receive a mailer daemon notification in this case. The technician says, that the mailcow is offering only TLS 1. I can see the I have a domain abc. Feb 5, 2025 路 Migrate Mailcow to New Server with The Best Solution. The email is a typical cryptocurrency payment email. However, in every case, the Mail Delivery System Dec 22, 2018 路 I can receive emails but cannot send them. 33. I have setup the mailcow docker container as per the documentation. Hier sind häufige Probleme und mögliche Lösungen: Mail kommt in einer Schleife zu sich selbst zurück. ) should be completely blocked. I am receiving and able to send emails from Sogo but imap seems to not work smtp tests says working but unsure if fully working I have attached photos of my configurations and uploaded my main maincow config. the sign up email from this forum arrives fine, as do most other emails. E. mailcow community - official community forum! Following the completion of the work I restored a recent back. Note: a mailbox cannot be created in an alias domain. You will have to use a relay service… Hello, I have a weird issue. I prepared my DNS and installed mailcow-dockerized on a clean Ubuntu 18. This is not idea May 13, 2025 路 Moohoo everyone. Whenever I send an email from Outlook or Gmail to my mailcow inbox I recieve it within 2-3 seconds which is perfect. I have no customization implemented or configured. But only problem is I can't receive any email from any host including own host. All DNS settings are in place and working, including SPF, DKIM, and DMARC. mailcowdockerized_mailcow-network "GET /SOGo. 0. I am separately installed the Nginx and wrote the config file for my domain. I’ve attempted to diagnose the issue using custom Python scripts to send emails from external sources. 27. I had set up my mailcow yesterday, and it was working just fine. Dec 10, 2024 路 Head to the Configuration tab at the top of the dashboard under E-Mail. ¶ Bitte überprüfen Sie in Ihrer mailcow UI, ob Sie die Domain als Backup MX eingestellt haben: Since forever I can not receive mails from gmx, I never bothered since hardly anyone I know uses that service but now I caused a couple of mails to get dropp May 16, 2017 路 I can receive mails from external services like Gmail, but I can not send any mails. conf, and have updated the containers (docker-compose down / up -d) but still do not receive any watchdog notice when restarting the containers. But it also says “postfix-mailcow-1 | May 22 16:17:52 cebdaaff7b0c postfix/smtpd[388]: Anonymous TLS connection established from mail-vi1eur05on20701. I have read the api file of mailcow. txt looks like this on MiaB: version: STSv1 mode: enforce mx: box. My MX records are set to deliver mail directly to my mail cow server, and the logs I’ve posted earlier in the thread indicate that the messages arrive at my mail server, but mail cow is not delivering them to my local HI, thank you. Certain addresses are receiving an email from your email address saying that they have been victims of a phishing attack. See full list on docs. 1 timeout post-processing message;” I have my own personal mailbox on Mailcow but then I forward few aliases to different email services for family or friends. manually configure a thunderbird client with the provided config settings, sending and receiving mails with no problems; autoconfig a thunderbird client without any problems. I would like to setup a mail server and use catchall address to use for my alias emails. Feb 14, 2025 路 As long as you do not do something in the postfix container that is ok. It still receives mail sent from its own postfix server, and my email client on my laptop is able to read that mail just fine, so I don’t think it’s a firewall issue. I thought it might have been DNS cache and hoped that this was solved. Jan 19, 2024 路 Since I did an update today, while other prividers are working, I can´t receive any mail from my mailcow-dockerized server on gmail anymore. From A to CNAME Am able to send within my domain and outside. Instead, you need to send out emails through your ISP's mail relay. please help me. Please help me in the IMAP configuration or any related configuration that i should have to do. I don’t know if the problem is my DNS setup or something internal. I have tried to send emails using built-in SOGo app and with Apple Mail. 6. I have no problems sending out emails from SOGo, but I can’t seem to receive any emails. A mail from mailcow is bounced by a receiving server with the message “Cannot start TLS: handshake failure”. The web interface is working fine. I consistentl Aug 9, 2023 路 Since i switched to mailcow im having problems receiving mails. observer[157. Closed 5 tasks done. I can use the webmail, receive emails OK etc but I’m having trouble sending emails. may be SPF has an issue. Example: info@mydomain. Except when it doesn't. If your website is hosted on the same Docker instance you’d need to point smtp hostname to the internal IP of postfix. de When I SEND mail from this So I installed CloudPanel with MailCow, and managed to get sending emails with smtp working, but I cannot recieve any emails. com When I SEND mails from this mail address it works and my partner receives them. Nov 25, 2023 路 I can send mail but I can’t receive mail. mydomain. MAGIC I wanted to send a mail to “gmx. I'm leaning toward the Exchange hybrid approach but curious to hear what others are doing. I opened a ticket on DigitalOcean where I have rented the VPS, they said port 25 is blocked and cannot be opened. It’s attached below. com address do not arrive. sh script from the mailcow folder I get the errors below Keep the MX record for xaasio. The best bet for this could be Corbett Email Backup Tool, which significantly simplifies migration to Mailcow. sh Receive mail from non-existing email SOGO_EXPIRE_SESSION from mailcow. outlook. Jan 10, 2021 路 Mailcow Mailcow is a free, open source software project. Of course all other records like SPF and DMARC should also be set up accordingly. Expected behavior When sending an email the recipient should receive the email. 2 and TLS 1. The ISP wont open port 25 for me. You will not be able to configure a DNS PTR record for a reverse DNS lookup which, in most cases, is paramount if you do not want your messages blocked. Screenshots self explanatory. Jan 30, 2022 路 When a mailbox is created, a user is allowed to send mail from and receive mail for his own mailbox address. Mailbox me@example. With DKIM, SPF and clean IP, things work. When I send the email from the Mailcow it is received instantly on emails services like GMAIL. If the emails are NOT going to a single email address then you will need to make a global pre-filter to do this. Any help is appreciated 馃檪 Best regards! Feb 23, 2022 路 receive to mydomain from mydomain: works; receive to mydomain from external domain e. BUT. But when I switched to another VPS (Clean installation), it did not work anymore, I could still receive mails but not send them and yes I have checked my spam folder and searched up the sender in the recipient. You can delete your own text from the attached returned Mar 15, 2025 路 I had mailcow already installed on my system when it was directly connected to my modem. 0/0 ” . I tried registering at Mega. The only port I’ve been permitted to use is the SUBMISSION port (587). org. This is not even limited to Mailcow and Stalwart though but true for all email servers. com” as dns only, as are any related to the email system, as I read it could cause issues, but whether or not the proxy is on or off, I get the same results. Here I am not using the default mailcow docker Nginx. net. com[ip]: TLSv1. or what do you suggest. I hope someone can help me to understand the problem. Jan 20, 2022 路 mailcow community - official community forum! When I try to send mails on my mailcow instance (SOGo or IMAP), I often do see the following error: “4. I can access the mailcow server from that address and even acess SOGo on my browser. It is not going to work if you have a dynamic IP address. com gives me 9. outbound. KMail on KDE has this ability. I can send email to my @gmail, it arrives nicely in the inbox, but reply emails do not reach me - at all. I can successfully send emails from sogo to gmail without issues. **Problem Description:** After the update, I am unable to send notification emails. In this article, I want to write down my experiences from the first few months of using Mailcow, and finally come to a verdict Apr 2, 2018 路 Hey. xaasio. If the person you're expecting an email from is on this list, click on their name and select Remove. mailcow. Aug 25, 2018 路 Updated mailcow this morning and noticed email delivery stopped. But I can send them mailcow community - official community forum! Hi there, I am very new to email servers and the sort. Feb 12, 2025 路 Hey, Is there a way to receive all of my email replies for all email accounts on my mailcow instance, to be collected at one single isntance, like a master inbox? where i can receive all the emails being received to my email accounts? Is yes, kindly explain in layman’s terms. But, when I try to receive emails, from any address on the external internet I do not receive them. I am kinda new to using the terminal and doing stuff there, so I would really appreaciate some help. 0/24 network. Thank you all for your valuable input. 1" 200 2573/0 0. I don’t get any return errors when trying to send send mail to my email from Google address. At one point used Luke Smith's emailwiz script to install postfix and dovecot directly on VPS which kind of worked, I could receive mail but could not send mail. . Feb 18, 2024 路 I am able to send emails But not receiving. I’m using “v=spf1 ip4:<public_ip> a:mail. org is allowed to send as me@example. When someone sends an email, in postfix, it is written that the email is recorded and received but then it gets bounced and removed. Nov 13, 2024 路 I recently set up Mailcow (Aug 20 release) on a cloud hosting provider (Scaleway) behind Traefik. Apr 8, 2023 路 This is the mail system at host mail. Mailcow ports in server1 and server2 are opened. I don't need to send out email. Sending is not a problem at all to anyone. It worked flawlessly. Action: failed Status: 5. But our mailcow (mail1. - Receiving email is easy. I have enforce tls for both incoming and outgoing but it was sending stuff normally. Jan 19, 2019 路 same address like [email protected] sends to [email protected] it should not reject the emails . com pointing only to email. You can change this for each user anytime by navigating to: E-Mail -> Configuration -> Mailboxes and editing the user. There's no "tweaking" needed for any of these but both of them should have proper configuration to have a good working email server. still, I can’t receive any emails from GMAIL and others. Hello Mailcow Community, Just finished deploying mailcow via following a couple of online guides/referencing the official doco. Jun 23, 2017 路 I solved many of my issues in #380 but now have new issues since updating. myprivatmail@mail. It will not survive updates. Also not add the ssl for my domain. I recently deployed Mailcow on an AWS server, and I’m encountering an issue where I’m unable to receive emails from G After migrating my dad’s private email domains, including our family domain which host my main personal email account, my dad has reported over the last couple of weeks that he’s not receiving all of his email verication emails from various organizations, usually in an effort to reset or update the password, MFA, and other profile related operations. Here are some top-notch features of the expert solution that makes it a favorite choice among many. Nov 18, 2020 路 But no luck, sending emails from wordfence is not working, and sending emails from normal email app or inbox works fine. Unbound Health check not working problem with . The strange thing is that for example user@mydomain. However, when I try to send an email, it doesn’t get delivered. This will remove them from the blocked list, so you can receive their emails. Mailcow is installed according to the original documentation on a clean Debian 11 system. I dont know why its not working. Nov 25, 2017 路 I can send mails but I cant receive them. it seems your configuration is an issue. I found numerous discussions online from the past 2 years similar to my problem and no clear resolution seems to exist. cloud with mail pointed to mail. I can send emails but not receive them. [domain. `# —————————— mailcow web ui configuration —————————— example. Learn how to troubleshoot and resolve issues when Gmail is not receiving emails with this step-by-step guide. Running a mail server without an IPv4 address can lead to delivery issues, as many receiving servers are not fully compatible with IPv6. 2 ETNyx please how about running the mailserver on 465 instead of port 25. universalgroupbd. The problem Autodiscover is not working T_T Nov 5, 2024 路 My email account was hacked last week. To fix that issue, I changed the password. example. I have a server which has Mailcow instance that works perfectly. 21. All other sites indicate no problem with my SSL certificates and I can send and receive mail (to non-gmail addresses) also without an issue. You can send it via the host mailcow is running on. But neither in SOGO nor in Outlook / Thunderbird are the Mails visible Hello, I can receive emails, but I cannot send any. Kindly explain how it is that you can still receive mail if your ISP blocks port 25. But when I send an email from gmail to my server, sogo doesn't show any received mails. Just connect to port 25. Emails to and from any other domains (Gmail, Yahoo, etc. Everything just works and was pretty easy to set up with Mailcowesn't know. As you can see, my DNS entries are different than what MailCow shows me in the configuration because when using the DNS entries that MailCow recommends, I was not receiving emails from outlook. This broke the inbound emails, I assume since it is referring to inbound rather than outbound. But on most companys or services it takes up to 5-10 minutes for the mail to show up in my mailbox. me@example. Use a different mail domain (like dev. Use the protocols mailcow is offering (IMAP, SMTP, API) wherever possible, do not interfere directly with the containers! sogo-mailcow_1 | Mar 9 10:01:04 b058f3079613 sogod [68]: mailcowdockerized_watchdog-mailcow_1. com. Everything just works and was pretty easy to setup with Mailcow - Sending email and not ending up in spam was not as difficult as expected. However when using mailcow, we can’t receive such email at all, they wont even hit Rspamd (rejected at postfix level) The Workaround Chance are it is because postfix is configured to not to deliver emails with a […] mail. ```. I then respond to the received email. So no idea if you are using Cloudflare as reverse proxy for your mailcow or not, but is it setup correctly? Apr 6, 2022 路 I have mailcow installed using docker and runs very well in sending and receiving mails using the defined domain. No firewall r p0wer thanks for your response. Sounds like one or more ports might be blocked. I can send mail but can’t receive. tld max_age: 604800` As I wrote earlier, you can disable the use of IPv6 in Mailcow. You will need to find an app that can do this. com: Relay access denied Maybe it has something to do with max age that was set on Mail-in-a-Box server. In simple words, this step is essentially telling Mailcow, “Hey, this is the domain we’ll be using to send and receive emails,” so make sure it’s the right one. I can send emails, and emails are coming into my junk folder. com record = txt, host = @, txt value = v=spf1 mx all. g. Kindly help me to resolve the issue. 202. rokeby. You -can- use mailcows GUI to create a pre-filter for emails and do this the same way, though. I’m sorry to have to inform you that your message could not be delivered to one or more recipients. Häufig auftretende Probleme. 95. But then I tried to sending emails again from gmail and I wasn’t receiving anything. That means that a 30 MB attachment, “inflated” through that encoding will be almost 50MB, then add the mail headers and any inline images of e. Yes, in fact all of the 4 domains point to Cloudflare: mail. com) has TLS 1. But whenever I try to register at a something online it takes 5-10 minutes before the mail is visible in roundcube. 1. Is your domain on client hold status? If yes, update your domain contact information and follow the verification email for changes. I can send emails to my server with ease, but when it’s time to send I get various issues. If you are not looking to send transactional emails, mailcow has your back. Manual migration options are usually more complicated and even time-consuming. index/ HTTP/1. To my best knowlege all is working fine with Mailcow. I don’t receive mails from Gmail accounts. example. So to do this outside of self hosting can get expensive. Mail-tester. Feb 23, 2022 路 receive to mydomain from mydomain: works; receive to mydomain from external domain e. Now, I'm not receiving emails in my inbox. com[ip] ehlo=1 starttls=1 commands=2 info lost connection after STARTTLS from mail. I have a problem with Mailcow; I cann’t send mail but can receive it. The biggest highlight is of course the support for external authentication sources. There is no issues in sending an email from the server. I have confused myself into frustration and now just need to ask for help. Mailcow has a tab/setup to specifically handle this (Routing -> Sender-Dependent Transports). Easy to set up and use and feels very modern Mailcow is the best! I have set everything correctly and all my emails are getting to all recipients at google, outlook and icloud. I have tested by sending mails using webmail in mailcow. check your DNS setting on the DNS provider you need to provide the TXT / SPF / CNAME / MX and PTR records so it can work. MariaDB seems to be restarting out of the blue. 2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits) I recently set up Mailcow on my server and I’m having issues with sending and receiving emails. 7] I have deployed mailcow in our local server and pointed to the domain. Thanks you Outbound mail is routing through sendgrid as expected and working correctly. However, the Mailcow account never receives it. I also do get email notifications for unattended upgrades, Veeam Backups and MailCow Backups with postfix as a send only smpt server using relayhost set. Mailcow Postfix Logs: info disconnect from mail. MX domain. mailcow is a mail server suite with tools that help you build a web server, manage your mailbox, and more. Can you help me with this problem? There are so many problems in that log, that you should reinstall mailcow from scratch. Mar 11, 2020 路 I get the following when receiving mails from gmail. 1 bbb@linux. I send outbound email over a different port # and to do this I use a mail relay with a provier over port 2525. org is only known as me@example. Here’s where you’ll add the domain name you’re using for your email (e. Mail-Test. 005 - - 0 - 13 sogo-mailcow_1 | Mar 9 10:02:08 b058f3079613 sogod [68]: mailcowdockerized_watchdog-mailcow_1. I am new to self-hosted email servers. I recently set up a mailcow server but I am having problems sending emails. i guess i have added all mx recrods correctly. com"; Set email equally, e. I unchecked them and started receiving emails again and looks like the sending of emails still goes through the relay as long as the “sender-dependent transport” is specified. I’ve got it sending momentarily by editing the SPF Record. I can ping the server, though. The Hetzner Cloud server was created Since it updated some of the mailcow containers I have not received any emails. Specifically, I’d check that port 80 and 443 are working for web (which are needed for the Exchange verification piece since it’s in the nginx config) and that ports 143,587,993,465 in addition to port 25 are working for mail (depending on whether you’re using TLS Feb 12, 2024 路 Then when I logged in once again to my malcow mail I saw the messages I previously sent from my gmail account to mailcow mail. You might also have an issue with your certs, too. For webmail, Rainloop is wonderful. postfix logs are given below… 12/10/2023, 17:02:26 info lost connection after RCPT from servercow. The default mta-sts. In both cases, the email goes into the sending queue but is not sent. In this blog post, I’ll walk you through the current state of the nightly branch of mailcow. I wrote the rules and forwarded the ports. This emails are stuck Mar 31, 2023 路 I have the “mail. Apr 7, 2025 路 I can confirm that many mail servers around the world do not use IPv6. Jul 22, 2024 路 Click on Junk E-mail Options from the newly opened menu. com change the following config to domain = "example. docs. I already had a Mailgun account and so far so good. Apr 10, 2021 路 Mailcow is a dockerized, seemingly easy to manage mail server suite. What I did is: When the rspam container was at version 1. The Probelm is that i can send Email but not recieve them. lumideez opened this issue Jan 29, 2025 · 1 comment Closed 5 tasks done. Forced each docker to use openDNS and now I can receive and send mail again. manually configure my Outlook 2016 client, receive and send emails. com, but if I try to send to bbb@linux. Basically looking for a self hosted version of those alias services. When I am trying to run the . Does anyone know what this might be due to? Thanks in advance Hello, I ran into such a problem that I can’t send emails (I get a response saying that the server could not send it due to a timeout) but I can receive emai Mar 1, 2023 路 This seems to be an issue the mailcow community is not very keen on providing support for or is simply somewhat of uncharted territory. I have added this domain as realy. While I can login to SOGo and view my existing emails i can only send and receive massages for mailcow users so I think it’s still DNS issue There was a problem with the NS records do I’m waiting until propagation is done I installed mailcow with the default mailcow. kindly suggest the changes. You should now receive your system emails. I am playing with mail servers using Mailcow and I’d like to receive emails to a 3rd level domain linux. org is not a valid Jun 18, 2023 路 2. nz and the activation mail arrived 8 minutes later. Closed luckysphere opened this issue Oct 12, 2018 · 2 comments Closed Mailcow not receiving mail #1878. I would greatly appreciate that. I am unable to receive mails. I’ve successfully setup mailcow, and I’ve been able to send and receive mails using webmail interface. Inbound mail is not going through sendgrid. tld is exposing the Mailcow server IP address, I want the IP hidden. Select the tab that says Blocked Senders to view the list of people that you've blocked in Outlook. Please advice where to investigate. If you manage your server yourself, however, you must also be able to install operating system updates and adjust other settings (such as the network configuration) yourself. footers and you are above the 50 MB. fortigate. DNS and spam related things are ok. 2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)” which would suggest a successfull Guys here is my situation. /generate_config. I can send it to GMAIL and I can see that it says all email validation settings are ok, but if i reply I get nothing. Is your domain name expired? If yes, renew the domain registration. I just need to receive them. gmail: does not work; I am using namecheap DNS and a server1 with nginx reverse proxy that forward to server2 which has the email server. I also checked Common Problems' corresponding section, my IP is not blacklisted, and my server's mail ports are not blocked at all. U Inbound mail is received by mailcow, outbound mail is relayed to O365. Any ideas? A mail was attempted to send to me and I didn’t get it. I can send email from my mailcow account, but not receive. Now when i connected it to my router and i forwarded port 25, 587. Usually I do another docker compose up -d and everything starts working again for another few days. 22. 1" 200 Jun 26, 2023 路 After a quite long time I finally started to fix that issue… yes really late but it was running with the workaround. Logs Please take a look at the I install for the first time a mail server and I’m newbe. I tried on my computer and it works, but on the server it also times out. Which would you recommend for a no headache experience? Thank you in advance! LE: Went ahead with Mailgun and their Routes. kbxefgxsfpciywwibvktkzhaxxvjnilzebyzrujmhlrytxvmvhioo