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Questions tagged [dovecot]

An IMAP and POP3 email server.

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6 views

Dovecot fails to authenticate for some users

I've the typical Dovecot + Postfix setup, with Apache and Roundcube (in a VPS). Yesterday I set up everything, and it went smooth. Right, but today I woke up with the surprise that some users simply ...
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7 views

Dovecot director setup on same server

I plan to have two (and maybe more) servers running dovecot with the mail dirs shared via NFS. To avoid caching issues I'd like to setup a director on each machine. Per dovecot documentation running ...
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12 views

Is there a possibility to rewrite the recipient_delimiter in postfix

I use email address suffixes to file emails to different folders. For example, me+suffix@example.com would be filed in folder "suffix". This works, but I would also like to allow for "-" as ...
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0answers
10 views

Hove to config Dovecot mail attachments on digitalocean spaces? [on hold]

I was wondering if it was possible to store mail attachments on a separate storage with dovecot I tried this, but not working : https://www.dovecot.org/list/dovecot/2016-February/103077.html
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0answers
8 views

dovecot chroot: Error: Temp file creation to /tmp

randomly, the incomming of emails with attachments get stuck and start to appear this error in the var/log/mail.log file: Feb 14 18:51:53 localhost dovecot: lmtp(29613): Connect from local Feb 14 18:...
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1answer
12 views

Postfix + Dovecot + AWS + CloudFlare + SquirrelMail Unable to receive messages

Set this thing up awhile ago, and it sends messages Just fine, However I wanted to start being able to receive messages. Iv tried telneting into port 25, and nothing. dig dzwxgames.com mx: ...
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2answers
54 views

blocking port 25 cause mail server cannot receive mail

I use TLS for my postfix and dovecot,and I ready test centos 7 mail server by various tools,result as below: Priority: 5 Connection established: yes TLS: yes SSL: yes Cipher: TLSv1/SSLv3, Cipher is ...
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1answer
46 views

Warning `undefined parameter: mua_sender_restrictions` when `postconf -n`

My system is centos 7. I am setting up mail server with postfix,dovecot,mariadb based on this post. There's a problem in my mail server, can send mail but cannot receive mail. Then I postconf -n,...
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1answer
15 views

Where are sent emails stored in Dovecot?

I've followed a tutorial on setting up mail server that uses Postfix, Dovecot and MariaDB. I have successfully sent and received emails. However I am not able to find the directory where sent email is ...
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0answers
50 views

Dovecot IMAP authenticating proxy using Kerberos/GSSAPI

I'm trying to set up Dovecot as authenticating reverse proxy, in front of an already running IMAP server to accomplish the following: Have Dovecot authenticate users using Kerberos/GSSAPI (to allow ...
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26 views

Dovecot are not delivering spam emails to Junk folder - Debian 9, postfix, spamassassin

I followed this answer but the spam emails aren't being delivered to Junk folder My files: /etc/postfix/master.cf # # Postfix master process configuration file. For details on the format # of the ...
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26 views

Virtual unified inbox in dovecot

I have a wildcard alias for my domain @foo.bar root@foo.bar and a sieve filter which moves mails to the folder INBOX.${alias}. require ["variables", "fileinto", "regex"]; if address :matches "to" ...
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0answers
14 views

Recovering Dovecot backup

I'm trying to restore mails from a old Dovecot backup. I'm not sure which format I used back then. I have a Maildir folder as backup, it also has a "cur" and "new" folder which looks like maildir. ...
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0answers
131 views

Dovecot bounces messages because of over quota ignoring quota_rule2

I'm trying to configure quotas. I want to set a default quota (say 10GB) and allow +100MB for the trash. I also need to be able to set a custom quota for an user. My users come from LDAP/AD. I'm able ...
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1answer
19 views

Decompress Dovecot email with LZ4

I've decrypted an email from Dovecot's Maildir folder but I can't decompress it properly. Judging by first few bytes, it is compressed using LZ4: 00000000 44 6f 76 65 63 6f 74 2d 4c 5a 34 0d 2a 9b ...
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2answers
16 views

get all sender's list from vmail directory

I am trying to build an email list. I would like to get the email addresses from an email incoiming mails directory (vmail/..../cur). I use dovecot, but I think it does not matter. Is there a way to ...
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0answers
39 views

What is right way to migrate mails from Gmail to Dovecot with doveadm-backup?

Dovecot doc is far from being perfect, thus I'm little bit confused what is right way to get mails from Gmail to local Dovecot. See: https://wiki.dovecot.org/Migration/Gmail After some struggle I ...
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1answer
20 views

SquirrelMail doesn't send or receive any mail

I just tried to set up a mail server on my Ubutnu 14.04. The goal is to be able to send mails from info@mydomain.com and receive mails sent to the same adress. Now I followed this tutorial to install ...
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1answer
34 views

Unable to connect to port 993 for IMAP on Ubuntu server with Postfix/Dovecot/MySQL

Ubuntu 16.04.5 Apache2 MySQL Postfix w/MySQL Dovecot SASL2 UFW I am trying to install a working mail server and client on this machine. I followed this tutorial which allows authentication through ...
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1answer
41 views

Getting dockerized roundcube to work with dockerized dovecot - plaintext not allowed

I have a server running both roundcube and dovecot, each in their own container. The server is secured with letsencrypt, all http traffic is routed to https. I have a proxy setup to route https to ...
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1answer
15 views

Postfix / Thunderbird / Cyrus SASL2: Username Or Password Invalid

I'm quite certain that I've entered my password correctly; that Thunderbird regards it as incorrect is I expect due to a Postfix or Cyrus SASL misconfiguration. I am perpetually confused about eMail ...
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1answer
40 views

Why does dovecot cur folder remain very large after emptying it?

My CentOS system, used for PHPList, accumulates incoming mail in this path: /var/qmail/mailnames/example.com/noreply/Maildir/cur There used to be hundreds of thousands of emails in this mailbox, they ...
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1answer
44 views

dovecot with LDAP can't find userPassword

I'm new to LDAP and I'm trying to use it with Dovecot for authentication. When I test out my setup with Telnet and IMAP, it reports 'userPassword not found'. However a simple search using the same ...
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0answers
22 views

Dovecot: migrate to virtual mailboxes

I have a linux server currently running Dovecot 2.3. Each user has a system account. The email are stored in format Maildir (mail_location = maildir:~/Maildir). The new setup should use virtual ...
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1answer
49 views

The difference between mail in /var/mail vs /home/user/mail

I have an Ubuntu server using Postfix and Dovecot to manage approx. 5 email accounts. If I look in /var/mail, I can see one (large) file per email address. Looking at the contents of these files, ...
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1answer
35 views

Does GLusterFS / Fuse properly support mmap()?

Background I've been having some file locking issues with running Dovecot IMAP storage on a triple-replicated Gluster Volume. The volume is mounted with the glusterfs type using defaults. This ...
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1answer
25 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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0answers
33 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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0answers
63 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
33 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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2answers
16 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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2answers
202 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
73 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 ...
2
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1answer
86 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
16 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
93 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
94 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
123 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
72 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
76 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
82 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
35 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
123 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
248 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
122 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
126 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
90 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
189 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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0answers
24 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 ...