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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: imap-login: Aborted login (auth failed, 2 attempts in 2 secs) - usually working - perhaps timeout issue? Debug options?

I have a mail server with a few dozen IMAP accounts. The configuration is correct for each account, every one of them tests OK. When a client from a particular, very slow Internet connection attempts to connect, I get messages like these: Mar 14…
Ned64
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Copy mails from old to new postfix installation

I setup a postfix/dovecot installation following this ispmail guide on workaround.org I recently changed my host for a good reason. I followed the very same guide once again. This time, I wound up with a different hostname during the postfix…
randmin
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Is dovecot compatible with Outlook's "Leave on server for X days" setting?

I've got a linux box running dovecot/postfix. I was surprised to learn that a client that had many GBs of email was running POP3. I thought they must have been using IMAP. But it turns out the server was not removing the email from the user accounts…
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How to make sieve-filter use virtual users

sieve-filter -e -W -u user@example.com /path/to/sieve/file.sieve INBOX fails with the error: sieve-filter(root): Fatal: Unknown user The output of doveadm -n is auth_master_user_separator = * auth_mechanisms = PLAIN LOGIN deliver_log_format =…
meles
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Login aliases for smtp/imap?

I have a user account on my system, "backup_account", which is an alias for backup@example.com. I can't use the simpler account name, "backup", because a system user (uid: 34) already exists on the server with that name. To make things less…
StevieD
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Postfix email outside domain

I have a problem with the email forwarding, more like I do not know how to configure Dovecot to do what I want. Per my understanding the first look up of mails that dovecot does is look up for local domains. So using CF7 in WordPress, if I put a…
whitenoise40
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Dovecot submission protocol keeps getting turned back on after Debian upgrade

I have dovecot imap server and exim4 running on Debian Buster. I am using exim4 for smtp, but at the Debian upgrade before last (early Jan 2021), Debian arbitrarily turned on submission in dovecot by adding the file…
user1247280
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Should I, and how should I defend against DOS SMTP attack

I was troubleshooting an outlook client trying to authenticate with the Mail server, and the client would time out ( it was an issue with a local outlook installation & machine firewall) To identify if the connection was actually reaching the server…
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How to get dovecot to reload an SSL certificate with minimal impact

I have been unable to find any documentation on how to force Dovecot to reread a certificate when its updated. At the moment I'm doing /bin/systemctl restart dovecot Does anyone know if this causes an outage during the restart, or if dovecot…
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CentOs Dovecot won't start

Running service dovecot status reults as Redirecting to /bin/systemctl status dovecot.service ● dovecot.service - Dovecot IMAP/POP3 email server Loaded: loaded (/usr/lib/systemd/system/dovecot.service; enabled; vendor preset: disabled) Active:…
mafortis
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Postfix configuration troubleshoot

I have a mail server where I use Postfix and Dovecot. On this server I use ISPConfig for handling user mailboxes. I have now 2 main domains (mrtsolutions.it and geacloud.it). I have 2 mailboxes: something@mrtsolutions.it and hello@geacloud.it Using…
Lorenzo Martini
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It is possible that a process can not link a file, but I can with sudo for the same user?

I am working with Dovecot 2.3.4.1 and EncFS (encfs version 1.9.5) encrypted mailboxes on Debian 10 (no SELinux) Basic setup is: EncFS mounted with encfs --public /var/encrypted-mail /var/decrypted-mail -o nonempty…
func0der
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Different email addresses of same email server for sending and receiving

I am actually a fresher in terms of configuring an email server. Recently I configured a Postfix email server combining with dovecot and squirrelmail on AWS EC2 centos server, following this guide: How to configure an email server The problem I am…
Haider Mustafa
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Confusions regarding RSA certificates, TLS encryption, and virtual users when setting up a mail server

I'm currently trying to understand the process of creating a mail server by following this guide, among others. There are some parts I'm confused about. I will go through one by one. Before I start, I will say I currently have a website of the form…
sangstar
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How to open dovecot backup on windows and save as *.eml

I hope someone can help me. What I need is to load dovecot backup files on windows, and save all of them as *.eml, so that I can dig through all mails it contains. How do I go about this? My web hoster can't help me they say, they say they can only…
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