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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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After upgrading Ubuntu Dovecot fails to start with a fatal error: Argument list too long

After upgrading Ubuntu from 20.04 to 22.04 I'm having a problem with starting dovecot and I'm getting the following error: $ sudo dovecot -F doveconf: Fatal: execvp(/usr/sbin/dovecot) failed: Argument list too long After some searching I found out…
Alex
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shared mail address with postfix and dovecot

I'm trying to set up some shared mailboxes like contact or support. I have made it possible for me to share an IMAP folder between users in Dovecot by doing this in 15-mailboxes.conf namespace { type = shared separator = / prefix = Shared/ …
Kiwimarc
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Postfix header_checks are ignored

I'm using Ubuntu 20.04. I installed Postfix (v3.4.13) with Dovecot (v2.3.7.2) a long time ago. Now, I want to overwrite the Message-Id header using header_checks. It's the first time I'm trying to use this feature, so it hasn't been tested before.…
Ugnius
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Dovecot Can't load SSL certificate (ssl_cert setting): There is no valid PEM certificate

I met an issue while setting up IMAP email server with postfix, so I used letsencrypt to generate the certificates, and sending/receiving email works just fine. But while I try to setup IMAP protocol with dovecot, I got errors like: Jul 5 16:00:27…
Xin
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Unable to Automate Mail/Server Sync Using doveadm

I'm trying to migrate emails using dovecot's: doveadm sync -1 command. I have created a file of email addresses (usernames) that I'd like to iterate through and I can do this; however, each time I need to enter the root password for the receiving…
Adam
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535 5.7.8 Error: authentication failed: UGFzc3dvcmQ6

I have Postfix installed on a Fedora 38 box with the following: $ grep smtp_ main.cf smtp_sasl_auth_enable = yes smtp_sasl_type = cyrus smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd smtp_sasl_security_options =…
ekkis
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Postfix - how can I post incoming email in a different inbox

I have successfully created 3 instances of postfix in kubernetes. Each instance checks if the user exists, passes the mail on to dovecot through the LMTP(rotocol) and dovecot saves the email in the corresponding email folder. Example: if the email…
realShadow
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Postfix: Can't send mails from another network

I recently set a postfix (+dovecot) mail server (on a VPS) and when I am in my own home network, which I put in mynetworks, I can both send and receive mails. However when I am outside home I can only receive emails, which is not a behaviour I…
Tsetsi
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Postfix/Dovecot Not receiving external emails in Ubuntu 16.04

I have read all of the threads and can't figure out what is the problem. I can send emails. I can receive emails from my localhost and my other email names of the same domain, but I cannot receive emails from external emails like Gmail…
Don40
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Postfix virtual_alias_maps and virtual_mailbox_maps delivery to Dovecot

I have a working Postfix setup where I can deliver incoming mails to both a Dovecot mailbox, and forward on those mails to an external address. However, this doesn't feel right, and I'd appreciate a sanity check. The Postfix main.cf includes both…
QF0
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managesieve - default sieve not applying

I set up my mail server on Debian 11 (postfix, dovecot, spamassassin, roundcube) and I got an issue with managesieve. In "90-sieve.conf" I set: sieve_default = /var/lib/dovecot/sieve/default.sieve Then I edited the file with a spam check, to move…
roughnecks
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Auth/permission issues with Dovecot/Postfix with virtual users and dovecot Passwd-file

I currently have Postfix/Dovecot email-server configured to run a local system account (Dovecot auth-system) and everything runs fine with a local user set up using /etc/passwd, /etc/shadow. I would like to set this server to handle additional email…
rehenry
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Dovecot: mark messages loaded over POP3 as read

The task is to make messages delivered over POP3 marked as read while also keep them on server (even if DELE command issued by client) and accessible over IMAP. There are two exim config options: pop3_no_flag_updates = no - this enables setting…
Mikhail Karakulov
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Why the /var/log/maillog reports mail_max_userip_connections=10 if set for mail_max_userip_connections = 1000 in dovecot?

I have a Java web application which interacts with dovecot 2.2.36 and postfix 3.3.1 and I see errors from application log as keeps: Java application Log: 04-06-2023 10:18:40 ERROR http-nio-8080-exec-58 comun.Correos:198 -…
user3637971
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Dovecot: Restore Messages From mdbox Backups

Given a file-system backup of dovecot mailboxes (all in mdbox format) with a structure that looks something like the…
Haravikk
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