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: %d is empty for pre auth local users

I have configured: mail_location = maildir:/var/mail/%d/%n (%d is the domain part of user@domain.com) This works fine for remote users, but a local user running /usr/lib/dovecot/imap gets: Error: user kiigass: Initialization failed: Namespace…
kiigass
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How to Configure Roundcube/Dovecot for *Effective* 2-Factor Authentication

There are several Roundcube plugins that provide two-factor authentication. However, the issue I now see is that I can still simply log in via IMAP/SMTP, without 2-FA (obviously). 2-FA is (effectively) useless here. I thought I could solve this…
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Postfix's received emails put in /var/mail/user/.Sent Messages

For some reason, emails that I receive on my Amazon Linux EC2 instance, running postfix and dovecot, are put in the directory /var/mail//.Sent\ Messages, instead of the expected /var/mail/. Postfix's master.cf contains the following…
Jojodmo
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Dovecot SSL: "unknown state"

Two weeks ago I set up a Mailserver using Dovecot and Postfix. It's a server for a organization with about 5000 mails per day. Everything works fine, but today I enabled verbose_ssl in /etc/dovecot/conf.d/10-logging.conf and I get this error…
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Dovecot: virtual and local users homonyms: Mail access for users with UID 1000 not permitted

Well, the case seems simple but I can’t find a satisfactory answer. I have a Postfix/Dovecot installation with the later configured to work with virtual emails which works like a charm... for virtual users who do not have an account on the server.…
Arcturus B
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Postfix + Dovecot with MySQL backend: md5-hashed passwords and CRAM-MD5 auth

My question What are the risks of switching from MD5 to CRAM-MD5 passwords in the database, especially considering the following, and how to approach that for an existing installation (provided I know the plain text passwords)? With (switching to)…
Izzy
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dovecot/ postfix make me two different folder same user (user; user@domain)

I had some problem with the Dovecot/Postfix/LDAP/SASL config files: The LDAP query, SASL config its work but my problem is postfix and the dovecot: When i first login the outlook/thunderbird/etc.. it make username folder under the /var/mail, if i…
hunstryker
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How to stop a loop I have introduced in a transitional postfix-spamassassin-dovecot setup

I am at the early stages of the steep email handling learning curve, gentleness appreciated :-). I have a setup with postfix and dovecot. I am trying to migrate my email server (domain example.com) from my house to an instance running somewhere else…
copper.hat
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Backup maildir to windows cifs share

How can I incrementally backup a maildir to a cifs share without creating a full image each time? I have dovecot running with some large mail accounts. The only backup available is on a Windows server. I would prefer a solution somewhere between…
Rob
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Explain user@domain format of postfix $virtual_mailbox_maps parameter value

I am trying to setup a mail server using this article. Basically using postfix & dovecot. I have a test setup which works, but I don't understand some (a lot) of stuff and am trying to rectify that before migrating. Of the many things, this is the…
copper.hat
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Dovecot reports no SASL authentication mechanisms

On my way to setup a mail server with Postfix and Dovecot on Ubuntu, I can now send mails to other domains. However, I cannot receive from others. In the logs it reads Jun 14 09:34:35 postfix/smtpd[27426]: connect from…
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doveadm pw may generate invalid password if a special charactare is used

I have a dovecot server running on an Ubuntu 14.04 server, which reads the login-data (user/domain/password) from a mysql-database. The passwords are saved as salted SHA256 hashes. To generate these, I use the command doveadm pw -s SHA512-CRYPT.…
notepass
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Self signed certificate in certificate chain

I'm having some problems building a certificate chain. My certificate is a class 2 certificate issued by StartSSL. Here’s what I have put in my ssl.crt: my…
MultiformeIngegno
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Dovecot not running quota sql query

I'm trying to configure dovecot to handle quota limits. I have followed a guide and configure the right steps. I even compared them with our current mailserver. The problem is, Dovecot doesn't write to the quota2 table in our database. I have…
Jordi Kroon
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Dovecot not working with added public namespace

we're running Dovecot 2.2.5 under OS X Server 4.1 (under 10.10.3). I'm trying to add a public namespace with some public folders without success. doveconf -n: # 2.2.5: /Library/Server/Mail/Config/dovecot/dovecot.conf # OS: Darwin 14.3.0 x86_64 …
jaydisc
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