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Questions tagged [dovecot]

A IMAP and POP3 email server.

0
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3answers
17 views

Dovecot SSL - IMAP works, SMTP fails

I'm setting up a small mail server using postfix+dovecot. When running oppenssl s_client -connect mail.myserver.com:993 (IMAP), the server's certificate is displayed and I'm able to get an email ...
0
votes
1answer
10 views

Do I need a dovecot.socket?

My email server with dovecot works fine. I turned off IPv6 and encountered the following error in syslog: systemd[1]: [/lib/systemd/system/dovecot.socket:8] \ Failed to parse address value, ...
0
votes
1answer
23 views

Mail infrastructure with dovecot proxy

Hi there, I try make to work my mail infrastructure, but i have problem with this. I tryed with NGINX but i can read mail from thunderbird, but i can't send. It's problem with authentication. My ...
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0answers
7 views

CentOS 6.8 Postfix+Dovecot can't receive emails

I have a problem with Postfix. I think that I'm doing something wrong, but I can't understand what! Here is my main.cf file, after postconf -d alias_database = $alias_maps alias_maps = hash:/etc/...
0
votes
1answer
68 views

My incoming emails for virtual domains are not being synched by email clients (gmail and Apple mail)

I have setup a mail server on ubuntu 16.04 using postfix, dovecot and spamassasin, I am able to login to gmail and apple mail. emails in the form user@mydomain.com works fine, both incoming and ...
-1
votes
0answers
23 views

What is Dovecot namespace inbox for?

Settings for dovecot is interesting. But there are a few things that i am not aware of. What is the namespace inbox? What is it for? In 10-mail.conf we can define the namespace inbox, and if its ...
0
votes
0answers
25 views

Email “catch all” function for postfix with mysql

I spent a day searching for an answer and I decided to write about it. Here's my question. My mail server configuration is based on this tutorial: https://thomas-leister.de/en/mailserver-debian-...
0
votes
1answer
57 views

Dovecot Aborted login user=<>

I have a problem with Dovecot configuration. I installed full pack VestaCP (Hosting Control Panel), it's included Dovecot. (Early, i configure many servers with this panel, and everything works ok) ...
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0answers
116 views

Postfix virtualdomains and relays of some domains

I have an ArchLinux server with postfix, postfixadmin, dovecot, roundcube, quotas and spamassassin running fine. The server is the main (not a backup or forwarding) of 3 virtual domains: domone....
0
votes
1answer
24 views

Postfix + Dovecot to receive emails only for specific mailboxes others piped to php script

I am fairly new to Postfix, Dovecot and have only basic knowledge of mail routing. There is a server that supposed to receive emails for variety of mailboxes with unlimited domains. (info@example.com,...
0
votes
1answer
66 views

Set up certs for multiple domains in Postfix and Dovecot

I don't know how to set up main.conf postfix config file and 10-ssl.conf dovecot config files in order to make my mail server capable to handle with multiple certificates. Let me explain... I have two ...
0
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1answer
39 views

Can't login to IMAP/POP3 server external

I have installed Postfix, Dovecot and MySQL via this tutorial (https://www.linode.com/docs/email/postfix/troubleshooting-problems-with-postfix-dovecot-and-mysql/). When I do the following command, I ...
0
votes
1answer
28 views

Set up SSL on email with Dovecot and Postfix

On my server I installed Postfix and Dovecot and Apache2 on Ubuntu. I bought a SSL certificate and used that to secure the website. This works fine. Now I want to configure Postfix and Dovecot with ...
0
votes
1answer
37 views

How to configure Postfix SMTP to mail to another server from external client?

I have a server with Dovecot and Postfix installed. I have set up squirrelmail which works. I want to be able to send mail from a mail client on a computer other than the server (external) to gmail/...
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0answers
47 views

Dovecot SSL Failure (Postfix Working Fine)

We're trying to connect an e-mail client to our mail server. We have postfix and Dovecot configured and running on ubuntu. We can see that Dovecot is listening on the correct port using: $ sudo ...
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0answers
63 views

Postfix + Dovecot User Auth

I am following the link below https://www.tecmint.com/setup-postfix-mail-server-in-ubuntu-debian/ Setup a email server on one of my debian box. I am able to send email through swaks, from my ...
0
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0answers
43 views

sending email from office365 to postfix mailbox resulting in LED=454 4.7.1 defer error

Operating system: Ubuntu 16.04 Software used for its purpose: LAMP, Dovecot, Postfix, Roundcube, Amavis, ClamAV and SpamAssassin I configured mail sever with following tutorial: https://www....
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1answer
54 views

Postfix + Dovecot + Sieve + forwarding + sieve

Let's suppose my domain at exampleserver.com. I have following sieve rule: require ["fileinto", "subaddress", "mailbox", "variables"]; if address :detail :matches "to" "*" { set "folder" "${1}"; ...
0
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1answer
38 views

Dovecot – Can send, not receive mail (visable in mail queue) Where is email?

Mail queue administration say’s: Received from myemail@adres.com H=mail-wm0-f44.google.com [74.125.82.44] P=esmtps X=TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128 CV=no S=3663 DKIM=gmail.com id=...
0
votes
0answers
29 views

Postfix + Dovecot, Squirrelmail works, with Thunderbird no

I've followed this tutorial https://www.youtube.com/watch?v=uJLveRdnaOA&t and i've run own mail server. Everything is working, i can recive and send mails by squirrelmail client, but when I try to ...
3
votes
2answers
232 views

Manage multiple account from just one

I'll like to know if there is a way to manage multiple email account just from one. I have about 40 or 50 external POP3 email accounts, is there a way to forward all entry emails from those accounts ...
3
votes
1answer
192 views

Getting roundcube to work with dovecot, postfix, and letsencrypt

I am trying to get roundcube, dovecot, postfix, and certificates from letsencrypt to all work together on Debian 9. I installed roundcube using the apt-get command. When trying to log into roundcube ...
5
votes
1answer
513 views

What is the purpose of the < (less than symbol) before path in dovecot settings

In the default dovecot ssl config file the certificate file paths are specified like: ssl_cert = </etc/dovecot/private/dovecot.pem What is the purpose of that < symbol preceding the path?
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1answer
59 views

How to make Postfix and Dovecot reload data from a database automatically?

I'm running my own email server. Whenever I change data in Postgresql in "domains, aliases, etc", I have to sudo systemctl restart postfix sudo systemctl restart dovecot each time to apply the ...
1
vote
1answer
44 views

Can't send an email via E-mail client for Postfix/Dovecot

On my server with Postfix, Dovecot and Postgresql I can receive email flawsly, but not send them. Via Thunderbird. When trying to send it, I see this in the logs of Postfix: postfix/qmgr[14391]: ...
0
votes
1answer
51 views

Keep getting “ NOQUEUE: reject: RCPT from mail-aa-bb-cc.google.com[11.22.33.44]: 450 4.1.1 …” in my Postfix server

I keep having this exception when I send an email to my Postfix/Dovecot/Postgresql VPS server: localhost postfix/smtpd[495]: connect from mail-aa-bb-cc.google.com[11.22.33.44] localhost postfix/...
1
vote
0answers
40 views

Thunderbird on Windows 10 very slow Dovecot

A client have following set up - Dedicated CentOS 6.x server running Postfix + Dovecot 2.0.9 in some data center. 5-6 Windows 10 client computers with latest Thunderbird (IMAP) Some Windows 7 client ...
0
votes
1answer
75 views

Postfix + Dovecot Mail delivery permission problems

i've set up a postfix + dovecot mailserver on my linux 16.04 box. Everything works fine, except for actually recieving the mail in my thunderbird client. When I tail -f the mail.log, and send an ...
0
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0answers
59 views

FreeBSD Postfix Dovecot Roundcube - unable to login from Roundcube

i'm recieving such error : IMAP Error in /usr/local/www/apache24/data/roundcube/program/lib/Roundcube/rcube_imap.php (196): Login failed for test1@example.com from 1.2.3.4. AUTHENTICATE PLAIN: * OK ...
0
votes
1answer
123 views

Dovecot returns localhost.localdomain certificate

I'm having an issue with Postfix+Dovecot configuration in Ubuntu 16.04. I could configure my mailboxes and I can correctly send and receive emails and now I wanted to set up POP3+IMAP. The problem I'm ...
0
votes
0answers
58 views

Couldn't drop privileges:User is missing UID (see mail_uid setting)

I know this question has already been asked but it was in 2012 and none of the comments nor the only answer solves my problem. I have a docker-mailserver that tries to authenticate users with ...
1
vote
1answer
26 views

Why is postfix not sending or receiving mail?

Just bit the bullet and upgraded to Debian Stretch. Everything was working fine for months, if not years before. I followed the blog post at https://jschumacher.info/2017/06/upgrading-to-debian-...
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votes
0answers
13 views

Dovecot: How can I set the default computational complexity for dovecot key derivation function (Argon2)?

I'm using Debian 9 in my system, and I'd like to use the Argon2 key derivation function for Dovecot. According to docs, there's a parameter -r that can determine the computational complexity. I can do ...
0
votes
1answer
28 views

How to use recipient_delimiter with spamd and dovecot?

I want to use recipient_delimiter to allow addresses like user+anything@domain in a setup involving spamd and dovecot. I had a setup like this in the past with just using postfix, but with my setup ...
0
votes
1answer
80 views

Configure Postfix and Dovecot to only listen to unencrypted ports on localhost

How can I configure Postfix and Dovecot to only bind to port 587 and 143 for unencrypted submission and imap, respectively, on localhost, but bind to port 465 and 993 for encrypted connections on all ...
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votes
0answers
107 views

Dovecot ignoring sieve

I've a typical postfix+dovecot install in my email server. Works everything OK, with Roundcube as a webmail. The problem is that apparently the sieve plugin, which is activated, does not work or sth. ...
0
votes
0answers
64 views

Supporting both PLAIN (LDAP backend) and Kerberos/GSSAPI authentication with dovecot

I configured dovecot to authenticate users with LDAP/AD. Authentication method is PLAIN over SSL (IMAP on port 993). I use the mail field in LDAP to lookup the user's email address. It supports ...
1
vote
1answer
80 views

Mail server: Does /etc/mailname have to match SSL certificate CN?

I set up a web and email server on a VPS that uses apache2 with multiple virtual hosts and postfix, dovecot, and roundcube for the email server. I am getting an authentication failure when trying to ...
0
votes
1answer
54 views

How do I get Prayer Webmail running on HTTPS?

I can't seem to get Prayer Webmail to run an https port. I'm running Exim4+Dovecot on Ubuntu 16.04.2. It works fine on the unsecure http port-- except that it's unsecure (I'm using port 8888 for ...
0
votes
3answers
122 views

Thunderbird can't connect to my mail server

I have a fresh Ubuntu 16.04 server and I have to create mail server on it. I followed this tutorial that uses postfix & dovecot. Now I am able to sent email from server using mail command to my ...
0
votes
0answers
97 views

Dovecot certicate per domains

I have multiple domain on my mail server (postfix + dovecot) and I want to assign specific cerificate per domains. Assuming to the dovecot documentation, I've tried this configuration : local_name ...
0
votes
0answers
67 views

Double sign of DKIM in mail

I'm working on this problem a while now, without luck. My server signs mails with DKIM as it should, but if i sent the mail from a client through the server it signs the mail twice. How can i stop ...
1
vote
1answer
113 views

Mail Server allow sending spam to hosted mailboxes

I got an issue on both of my servers (Postfix + Dovecot and one on Zimbra) My issue is some robots send spam without login to our hosted mailboxes using the same FROM/RCPT. It seems Google got the ...
0
votes
1answer
41 views

How are user specific Sieve files created?

My Dovecot's protocol_lda is as follows: protocol lda { log_path = /var/log/mail/dovecot-deliver.log auth_socket_path = /var/run/dovecot/auth-master postmaster_address = malmeida@...
3
votes
0answers
86 views

(How) should I lock a Maildir mailbox managed by Dovecot before creating a backup via rsync?

I maintain an IMAP server running Dovecot which uses Maildir as the storage format for the user mailboxes. Every night, an rsync process runs to create a backup of the mailboxes. Recently, I noticed ...
0
votes
0answers
196 views

Roundcube IMAP log — NO [AUTHENTICATIONFAILED] Authentication failed

system: Ubuntu 17.10 This is the error I am getting when trying to log in log-file /var/lib/roundcube/logs/imap: [17-Apr-2018 22:03:13 -0700]: <3aedeusd> [1116] S: * OK [CAPABILITY IMAP4rev1 ...
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votes
0answers
193 views

Dovecot - Log All IMAP Commands

I have Dovecot 2.2.27 running successfully on Debian Stretch. I have some suspicious activity on my server and I want to log ALL raw IMAP communications sent/received by my server. Here is a .conf ...
0
votes
0answers
96 views

Dovecot and deduplication based on the email message content, not the dovecot's Id

Problem I have an IMAP-only server and I want it to automatically de-duplicate messages. I am unable to make dovecot remove copies of "identical messages" based on their content. PD: I only need to ...
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votes
0answers
18 views

Does creation of a connected account in Outlook webmail require insecure SMTP?

I'm trying to add an e-mail account in a server I manage (Postfix + Dovecot) as a connected account in my Hotmail account. If I select a send-only SMTP account, I don't see any options for SSL/TLS/...
-2
votes
1answer
37 views

Moving /var/mail to different partition, drive or pc

My managed server (Ubuntu 16.04, Postfix, Dovecot) had random accedent and in the end mail server was not working. Postfix had random randomness and it couldnt access mysql and Im using virtual users ...