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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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Do Postfix and Dovecot support OCSP stapling?

Since I would like to set the "must staple" attribute in my SSL certificates, I was doing some research to find out if all of my services support OCSP stapling. So far I found out, that Apache does which I was able to confirm using SSLLabs.com. But…
comfreak
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Gmail flagging Dovecot email as insecure

I thought I successfully secured my Postfix/Dovecot email server. I have a signed certificate from LetsEncrypt, which is valid for my domain. Sending & receiving works fine, but since Gmail started flagging insecure emails, all mail sent from my…
gavanon
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Dovecot SMTPD Sasl auth error: fatal: no SASL authentication mechanisms

I've googled this error and nothing I've read/tried works - anyone know what it is Error log: Feb 23 22:35:36 localhost postfix/smtpd[5278]: connect from localhost.localdomain[127.0.0.1] Feb 23 22:35:36 localhost postfix/smtpd[5278]: warning: SASL:…
Adrian Cornish
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invoke filtering manually in dovecot+sieve

I've configured dovecot with a sieve filtering (also I've configured roundcube, but this does not matter I think). It's working fine, I've set up some filters. But now I've got a huge unfiltered INBOX folder which I don't want to filter…
Arenim
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Why use Dovecot AND Postfix/Sendmail?

Forgive me if I'm missing something obvious here..... but why do most linux server distros come with both Dovecot AND Postfix (or sendmail)? As far as I'm aware all three of them are Mail Transfer Agents, with Dovecot having a 'secondary' function…
Nom
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Dovecot, getting error: Mail access for users with UID 222 not permitted

When I attempt to login to my Dovecot IMAP server I get this error: dovecot: imap(ec2-user): Error: user *theuser*: Couldn't drop privileges: Mail access for users with UID 222 not permitted What is going on? HELP!
john
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Postfix Multi Domain Email Going to Spam

I have read over the other post from other users on this site about this topic. I think I see my problem but cannot figure out where to change it. My configuration: RDNS for 107.170.172.XXX: example.com Postfix Dovecot Server [root@skilleddomain ~]#…
Brian Curless
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Dovecot creates folder, Postfix expects file

I have tried configuring a Postfix/Dovecot combo with virtual users using this guide. My server is running Postfix 2.6.6 and Dovecot 2.0.9 on CentOS 6.5. The problem is that when I connect to the server using Outlook 2013 (it connects just fine on…
Steen Schütt
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Postfix and Dovecot opened ports

Doing a nmap on my server, I get this: 25/tcp open smtp 80/tcp open http 110/tcp open pop3 143/tcp open imap 465/tcp open smtps 587/tcp open submission 993/tcp open imaps 995/tcp open pop3s I would like to use only secure connections,…
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run sieve on maildir

For my mailserver I have a dovecot, postfix and sieve setup. I have several hundred mails in my maildir and have recently created some sieve rules for sorting them. Unfortunatelly the sieve rules are by design only applied to incoming messages.…
ftiaronsem
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Dovecot cant connect to imaps 993

I am trying to set up a mail server in digitalocean VPS. The problem is that i cant telnet to 993 although firewall is inactive and dovecot is listening. Please tell me where i do wrong. I followed this postfix, dovecot, mysql, spamassasin…
Fandi Susanto
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postfix: relay access denied. How to fix it?

I've been fiddling with main.cf file for a long time but still couldn't find why. I've set up an email server with this tutorial Email with Postfix, Dovecot and MariaDB on CentOS 7 This is the part about postfix: myhostname =…
Searene
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Alternative to postfix with SNI certificates + Dovecot compatibility

As we're aware postfix doesn't support SNI (Server Name Indication), which means that if you'd define a certificate, it will be used for all domain names that you have on that server, which could be bad for people not willing to pay big bucks to…
The Quantum Physicist
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Couldn't drop privileges: User is missing UID (see mail_uid setting)

I'm hoping I can use some help. I'm configuring dovecot_ldap, but I can't seem to be able to get dovecot to authenticate the ldap user. Below is my config and log info: hosts = 192.168.128.45:3268 dn =…
drecute
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How to check if dovecot's configuration is valid? (config file syntax)

Is there a command that I can issue that will tell me if the current set of config files for dovecot are valid or if there's an issue? I just made a change to my dovecot config files. Before attempting to restart the service, I just want to do a…
Michael Altfield
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