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Questions tagged [dovecot]

An IMAP and POP3 email server. When asking about Dovecot problems, please include relevant maillog lines and output of the following command: `doveconf -n`

Dovecot is an IMAP and POP3 server for *nix systems. It emphasizes security, and is also easy to set up and use, as well as having high performance.

More information about dovecot is available at http://www.dovecot.org/

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Dovecot - login_greeting new line character

I am using this login_greeting for IMAP(S) protocol: protocol imap { login_greeting = "mail.domain.eu -------> \"WELCOME TO PORT 993!\"" } I want to know if it's possible to add a new line character at the beginning of the string? This doesn't…
71GA
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Outlook status is bounced after sending email from my own server while gmail status is sent

In ubuntu, I'm using postfix and dovecot to deliver email from my server. I've set DKIM, SPF and all other stuff. I have my email tested from https://www.mail-tester.com and got 10/10 point. When I'm sendin an e-mail to Gmail - it is sent and the…
William Bumgardner
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How can I use this same Cipher suite on Dovecot?

I have the following cipher suite on Apache: #TLSv1.3 SSLCipherSuite TLSv1.3 TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256 #TLSv1.2 SSLCipherSuite…
user549144
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Using "postfix" user for "dovecot"

I set the Postfix so that my mailboxes (maildir format) for my virtual users are set like this: ┌───┐ │ # │ root > myserver > ~ └─┬─┘ └─> ls -l /var/mail/ total 4 drwxr-sr-x 5 postfix postfix 4096 Dec 2 12:27 pistam.eu ┌───┐ │ # │ root >…
71GA
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Posftix+Dovecot emails not delivered

I have Debian 9 + Postfix + Dovecot installed following the manual at https://postfix-configuration.readthedocs.io/en/latest/ I have added my domain (say, mydomain.com) + 1 mailbox (mb@mydomain.com) + 1 alias (test@mydomain.com). However, when…
Siarhei
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Postfix does not retry after 451 error / greylisting

I have a forwarding server using postfix/dovecot that receives emails from a third party mail client (say gmail) and forwards the emails to the final recipient. I have noticed that when the recipient email server uses greylisting, postfix does not…
assylias
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How To configure Postfix and Dovecot for remote IMAP / POP sending of email on Fedora 32

Background I've been the administrator since inception of this 24-ish year old site which hosts a lot of virtual domains, etc, and from the late '90s one important feature we had working was allowing IMAP clients to connect to both read and send…
Richard T
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How to reconfigure server to use forward secrecy and authenticated encryption?

So I use Hardenize (https://www.hardenize.com/report/voltcloud.net/1601680765#email_tls) for my security stuff, and it gives my email a yellow sign because of this: "Even though this server supports TLS 1.2, the cipher suite configuration is…
Ize_Cubz
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Solved - Postfix SMTP port Stange Activity

Hello ServerFault community, I have a Postfix and Dovecot mail server based on MySQL, I had a problem with MySQL so I had to reinstall it and thet's where the problems started happening. RoundCube starter randomly giving me (Just some times) IMAP…
Nicolò
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Does Dovecot make Foxmail / Thunderbird / Outlook to receive duplicated email?

I've built a Postfix(2.10.1-7.el7.x64.rpm) + Dovecot(2.3.11-build) mail server for my host. It functions well for me at the very beginning. After using for a while, I kept receiving duplicated mails from my server. I try to figure it out where did…
kings
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Ubuntu 20.04 Modoboa: dovecot.service failed, and Error: Connection to IMAP server failed: [Errno 111] Connection refused

Impacted versions Distribution: Ubuntu 20.04 Arch: 32 Bits Database: PostgreSQL Steps to reproduce Installed Modoboa through the installer. (didn't saw any errors) Installed SSL certificate through certbot and then deleted it, and then installed…
Tarik Hacialiogullari
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Postfix: processing incoming mail for virtual user

This discussion on Dovecot ML suggests to use for filtering mail for foo user foo: | /path/to/the/external/program in /etc/aliases. But aliases work only for local user. How to filter with script mail for virtual user (virtual_alias_maps)? Do I have…
pevik
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How do you properly test an imap:993 connection to determine whether implicit or explicit STARTTLS is set?

I've been reading many different blog posts and articles over the past hour but none have helped me understand why this command without -starttls: openssl s_client -crlf -connect mail.example.org:993 results in: CONNECTED(00000003) depth=1…
StevieD
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Error Postfix/Dovecot after adding Nginx reverse proxy server for SSL

Oké some editing in the hope to be enough specific: We set up server 1, partly with the help of goPanel2 (desktop adminpanel for Mac) and Terminal. Server1 - Now Backend with server 2 added One Ubuntu 20 server as back-end with Nginx (and Apache…
Angelluc
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Roundcube filters getting ignored with postfix/dovecot/sieve

I'm having a lot of trouble getting roundcube filters working. I can see the filters in the roundcube web interface and I can see the sieve files in the user's home directory. I can also edit and save the filters. However, the filters are getting…
StevieD
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