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Questions tagged [dovecot]

An IMAP and POP3 email server.

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8 views

Dovecot variables: Is this an inconsistent use of setting mail directories?

I am currently installing Postfix and Dovecot by combining these two guides: RoseHosting: Set up a mail server with PostfixAdmin and MariaDB on CentOS 7 Linode: Email with Postfix, Dovecot, and MySQL ...
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9 views

Automatically copy all mails from one folder to another

I have a postfix/dovecot mailserver setup, running fine. My problem is that different e-mail clients save sent e-mails in different folders. I realize that saving sent e-mail is not in the SMTP ...
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7 views

How to configure Dovecot to disable NIST's curves and still rertain EECDH?

I am interested in configuring Dovecot's TLS so as to retain forward secrecy, but eliminate all of NIST's elliptic curves. Besides being subject to side channel attacks, in some quarters there is a ...
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22 views

Email Proxy or Email Relay? Which is Best? Which Server Should Store SSL Certificates, Mail Relay or Mail Proxy? [on hold]

I am new to ServerFault and this is my first question and I am posting this here as I was unable to find adequate information on internet. I want to setup a Postfix Email Server on Debain environment ...
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9 views

How to restore dovecot doveadm backup

How is this done? Is it basically a matter of copying back the directories and files to the new server or is there a command to restore?
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1answer
16 views

Exception to wildcard postfix catch alias to let dovecot store email

I have configured postfix to read alias maps from PostgreSQL (virtual_alias_maps = pgsql:/etc/postfix/pgsql-virtual-alias-maps.cf ), every domain I've configured has a wildcard/catch-all rule. ...
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0answers
7 views

cPanel “dovecot auth service not ready” error [on hold]

so I can't log into any of the email accounts, and when I checked the cPanel error log /usr/local/cpanel/logs/error_log, I'm getting the following: dovecot auth service not ready I tried updating ...
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0answers
14 views

Dovecot Replication issue

I am a Linux noob and I am trying to get Dovecot replication working between 2 servers. These are RHEL7 servers. I am using OS user accounts, not MySQL. Not using SSL. I have managed to get Postfix ...
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2answers
14 views

Login using email address in roundcube in one server

How to config roundcube setting so that I can login using my full email address instead of username. I can login in roundcube using john, but I cant login successfully with john@mydomain.com.
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0answers
216 views

How to make Postfix or Dovecot let “rejected” email go through and end up in the spam folder? [closed]

I have a server with postfix. Filtering spam is setup on it. However, a) my spam folder has always been empty b) emails that deemed spam, including the ones I know normal, get rejected. They never ...
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2answers
41 views

POSTFIX cant connect from SMTP with TLS

Thanks all for helping me :),i was working a direct bulk mail sender project, my program was running properly then it gave me an error then i've spend too much time with a lot of searching from ...
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1answer
42 views

Postfix, Dovecot and catch-all

I've set up my mail server using a guide from Digital Ocean, followed by another guide. So, now if I send mail to torvin@mydomain, it works. Now I'm trying to set up a catch-all address for all ...
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30 views

report unknown command to all milters

Hi I am trying to get starttls to work with postfix and dovecot centos 7 In the maillog it would be great if someone could explain what this part means so i can go away and try to solve my problem. ...
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1answer
50 views

Sync failed on IMAP dovecot

I created a new dovecot installation, and my client (Outlook 2013) is having trouble syncing (frequent errors). On the server side I see the errors below. Dec 01 17:14:36 imap-login: Info: Login: ...
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1answer
15 views

What is mail_max_use_rip_connection and where is it set?

When trying to configure an IMAP client to connect on 993 to a Postfix/Dovecot server I just deployed, i get an occasional timeout sometimes with a message about mail_max_use_rip_connection = 10. I'm ...
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1answer
32 views

Dovecot permission error creating inbox

I have a new Dovecot installation, with dovecot daemon running as root (according to ps). My 10-mail.conf contains mail_location = mbox:/data/mail:INBOX=/data/mail/%d/%n mail_privileged_group = ...
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1answer
75 views

Postfix changing email address to 1@hostname.example.com

I followed this guide one to set up email using postfix, dovecot, and mysql using vhosts. When I send an email to the mailserver it gets bounced back and I get the following message in /var/log/mail....
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2answers
37 views

Dovecot imap-login: confusing error? message

I am busy setting up a mailserver with postfix, dovecot and mariadb on a Debian 9 system. Receiving mail fails on port 993 as result of a time-out with this message in/var/log/dovecot.log: imap-...
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0answers
12 views

Mail messages sent reaching spam [duplicate]

I have set up a Debian server, following the Perfect server guide, including Dovecot. Everything runs fine, except the fact, that most of the mails sent out of the server are reaching the spam ...
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0answers
36 views

How do I teach spam and ham to spamassassin running in a docker container?

I'm running SpamAssassin as a milter in a Docker container separate from Postfix and Dovecot. Postfix and SA work together nicely, Postfix connects to spamass-milter, SA does its thing, mail gets ...
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0answers
44 views

How do I configure doveadm -A with passdb?

I'm using Dovecot with passdb as a user database: passdb { args = scheme=sha512-crypt /etc/mail/passwd driver = passwd-file } userdb { args = uid=vmail gid=vmail home=/var/vmail/%d/%n ...
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2answers
74 views

Why isn't disk space reduced after deleting mails through IMAP with Dovecot?

I'm running an email server with OpenSMTPD and Dovecot on Linux and accessing emails using IMAP with a Thunderbird client. When I delete an email in Thunderbird, why doesn't disk space usage go down? ...
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2answers
20 views

Horde and Dovecot's SHA512-CRYPT: Cannot connect using custom SQL query

after successfully switching the authentification mechanism in dovecot and roundcube from MD5 to SHA512-CRYPT, I struggle to get Horde to authentificate using custom SQL queries. Setting $conf['auth']...
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1answer
66 views

Dovecot SSL certificate -> Cert Hostname DOES NOT VERIFY

thanks in advance for your patience... I am having trouble to dovecot working with my new wildcard ssl certificate. I put the following sections in my dovecot config: ssl_protocols = !SSLv3 !SSLv2 ...
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2answers
236 views

Postfix email server not receiving email from external email

I'm trying to set up a mail server on Ubuntu 16.04.5 LTS with Postfix and Dovecot. I can send out email without any problem and mail sent from localhost also finds its way into the inbox. However, ...
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2answers
51 views

Postfix log to MySQL [closed]

I would like to log datetime, sender and recipient to a MySQL table for all mail send through Postfix/Dovecot (virtual users setup). How can this be done? Best regards.
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1answer
60 views

POSTFIX / DOVECOT: limit the number of connections per user per minute

I have a virtual user that checks his mails every minute per imap, using 4 phones and 2 laptops and a tablet. how can I limit the connections per user? I do not want to limit the connections per IP.
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0answers
18 views

Feedback in terms of security/spam/performance (Postfix and Dovecot config)

I would like some feedback on my Postfix and Dovecot configs. I collected the following configuration over the past year and would like to know if it all makes sense. Please be critical, I would like ...
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0answers
47 views

Connection to the IMAP server interrupted when connecting to Postfix + Dovecot from Outlook

Goodmorning everyone. It's been some time since I have a problem with the configuration of my mail server on Ubuntu Server 18.04.01 made with Postfix and Dovecot. When I try to send / receive emails ...
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0answers
96 views

IMAP to Office 365 migration error

I am migrating mailboxes from an on-premise IMAP server to Office 365. Most of the accounts are migrating fine, but I'm hitting the following error on a handful of accounts. Error: ...
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18 views

Managesieve roundcube - retrieve original email subject and body with {tags}

I am using roundcube with managesieve plugin, and have setup a Vacation message. I would like to know if there is an option to retrieve the subject of the original email send by a user to be used ...
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3answers
34 views

Authenticate users using their firstname

I'm setting up a Postfic and Dovecot with LDAP email server. My users in LDAP is like this: dn: uid=firstname,ou=People,dc=domain,dc=com uid: firstname uidNumber: 4025 gidNumber: 4025 givenName: ...
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1answer
109 views

EXIM: Auth not advertised when using EHLO

I've moved my mail server from one VM over to another. Everything has been configured as it was previously, and from the perspective of IMAP, there are no issues. Currently however, I'm having an ...
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1answer
45 views

Postfix can't send or recieve emails

I have setup PostFix that is also running with dovecot on my server. My server is running Ubuntu 16.04. I cannot send or receive emails from squirrelmail that is also running on my server and it ...
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1answer
37 views

Remove dovecot emails based on subject

My server just got used as the return address for 100,000 spam emails. The emails are stacked up in various user's accounts and I want to delete them all. Is there a way using dovecot 1.1.7 to ...
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1answer
96 views

Dovecot Replication isn't notifying

I have dovecot v2.2.33.2 installed on Ubuntu 18.04.1. I have configured Dovecot replicator the same way I normally do it for HA servers, but for some reason it isn't syncing new emails that come into ...
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1answer
17 views

Dovecot Sieve: Store part of a message as a variable

I need to retrieve some parts of a message which looks like Subject: Test message Message-Id: <2788db2f-b5c3-4b8c-881e-362c3df4f915@server.local> Mime-Version: 1.0 Content-Type: multipart/...
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1answer
28 views

Dovecot Sieve and :output variable for execute adding invalid character

I'm trying to get blow Sieve filter to work require ["fileinto", "imap4flags", "mailbox", "body", "envelope", "vnd.dovecot.pipe", "variables", "vnd.dovecot.execute"]; if envelope :matches "To" "*@*" ...
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1answer
17 views

How to log incoming interface/IP for Postfix and Dovecot?

I have a dual-homed mail server, so it have IP1 and IP2 on it. I set it up so it answers on both IPs while send via single link only. The only thing I miss is how to figure out (and log it) which ...
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0answers
79 views

Dovecot proxy with lmtp

i try with this: Prefetch User Database Proxying and continiue my configuration Mail infrastructure with dovecot proxy Authenticate working as well, but i have another problem. I want configure ...
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1answer
47 views

Postfix/Amavis not filtering spam for entries in second domain

My postfix installation is working correctly (delivery via dovecot, spam filtering via amavis - spamassasin). I have some aliases in virtual, eg: info@mydomain2.com johnDoe However, for the ...
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0answers
103 views

Outlook 365 1808 - Autodiscover with Postfix/Dovecot

The situation is : I have a mail server with Postfix, Dovecot and Apache2 for the autodiscover URL. Mail server is set up for TLS only (465, 993 and 995) the domain is controlled by myself (SRV ...
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2answers
72 views

Postfix Alias issues

I am having an issue with setting up an alias "support-notify" in Postfix. Recipient address rejected: Access denied; I am running Postfix with OpenDKIM, OpenDMARC, Policyd-SPF, and Dovecot on ...
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1answer
54 views

Dovecot: Operation not permitted

Im using centos6 and centos web panel, postfix. I can send messages and login in roundcube. But i cant recieve messages. Dovecot log: Sep 09 13:52:31 lda(test@domain.su): Fatal: setuid(101) failed ...
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2answers
101 views

dovecot cannot lookup user in LDAP

my system is set up like this. smtp --> postfix --> dovecot (via LMTP) --> mailbox The tricky part is that authentication is against LDAP. A typical LDAP entry looks like this: CN=Jon Doe uid=jond ...
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1answer
79 views

No STARTTLS with Dovecot and Postfix

I have done a lot of searching and am not finding a solution. I had to reload Mageia 6 on my email server. I am using dovecot-2.2.34-1.mga6 and postfix-3.1.6-1.mga6. Openssl is openssl-1.0.2o-1....
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1answer
120 views

Postifx Dovecot lmtp, sieve not working

My mail server has a problem. I want to install sieve, but the rules do not work. As far as I found out, I think the handover at lmtp to dovecot does not work. e-mails can be received and sent, but ...
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1answer
74 views

Dovecot/Postfix - New e-mails doesn't show up in my inbox, even though ~/Maildir seems to be configured correctly?

first off, there is a very similar question to mine. I am aware of that, however the method the people on this thread presented unfortunately didn't work in the same expected way for me as it did for ...
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1answer
79 views

SMTP credentials for one server on another server - how does it work?

I have two VPS on DigitalOcean: example.com for my web page and mail.example.com as an email server. On mail.example.com I can successfully send and receive emails using terminal or a Roundcube web ...
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3answers
234 views

Dovecot imap send spam to junk

I am using Ubuntu 18.04 64 bit dovecot 2.2.33.2 spamassassin 3.4.1 amavisd The goal is to run an e-mail server, which I achieved already. I can access the e-mails at the server using Thunderbird ...