A IMAP and POP3 email server.

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3answers
115 views

Email server port options

I have a web server that also is my mail server - running dovecot and exim4. I currently have 5 open ports that have to do with serving mail, it seems very excessive to me. Its a dedicated box, I ...
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1answer
3k views

Connect to private/auth failed: No such file or directory

I've setup postfix, dovecot and roundcube. receiving and sending email via roundcube is working as well as receiving emails via imap with another email client. But I'm not able to send emails with an ...
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4answers
5k views

Dovecot does not fetch mail from /var/spool/mail/$user to mail_location

As seen in the /var/log/maillog when mail received or sent, sendmail saving mails to /var/spool/mail/$user and logging them as stat=Sent When a user try to send or receive mail via imap it is not ...
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1answer
837 views

Can I force dovecot to ignore pop3 requests to delete received email?

this is my first SF question, so please be gentile: Is there an easy way to force dovecot pop3 server to ignore "delete messages" commands after being fetched by the MUA? Here are the issues I'm ...
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1answer
787 views

DOVECOT not allowed to log in using too low UNIX UID

I found this error on mail.log May 13 22:11:37 vmi2115 dovecot: dovecot: User admin@example.net not allowed to log in using too low UNIX UID 103(postfix) (see first_valid_uid in config file) How ...
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4answers
88 views

Set up the right mx records for postfix/dovecot server

I recently set up a postfix/dovecot mail-server on my VPS (OVH), but for some reason I cannot receive e-mail through it. Is anyone able to check my DNS-records and my Postfix/dovecot configuration to ...
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2answers
103 views

how to list Dovecot imap prompt commands?

When I do imap pre-auth with: /usr/libexec/dovecot/imap -u username I can see imap prompt but do not know how to list available commands (like e logout or b select inbox and so on). How to list ...
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1answer
661 views

dovecot error Unknown setting: unix_listener

I'm trying to enable postfix auth. I'm editing the this section from /etc/dovecot/conf.d/10-master.conf # Postfix smtp-auth unix_listener /var/spool/postfix/private/auth { mode = 0666 user = ...
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1answer
432 views

cannot connect to postfix with a mail client

I have been trying to setup MX in my server and was able to get the IMAP part working under SSL using Dovecot, however I can't get the SMTP part working using Dovecot as the SASL Authentication. When ...
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2answers
5k views

Dovecot IMAP authentication failed

Whenever I'm trying to connect to my Dovecot IMAP server, it gives me a message that the authentication was failed. This message is from the /var/log/mail.log file: Feb 7 15:22:17 celestine dovecot: ...
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1answer
9k views

Postfix returning “no SASL authentication mechanisms” despite mySQL auth config being seemingly valid

I am trying to set up a mail server that has multi domain support using Postfix+Dovecot+mySQL. I was following this guide. I seem to have everything set up and the server is sending the dovecot ...
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2answers
2k views

2 factor authentication for Dovecot/Postfix / SSH / PAM

I'm wondering if there is some kine of 2 factor authentication module which supports PAM. My dovecot(PAM), postfix(SASL) and openssh authenticate via PAM to the system users. I would like to have it ...
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3answers
7k views

Dovecot ignoring maximum number of IMAP connections

I have a single mailbox mail server running Dovecot/Postfix and I have two IMAP clients, Thunderbird on the PC and K9 on Android. I keep on receiving this error in my logs even after I change the ...
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1answer
2k views

Configure Dovecot to only let localhost connect via imap

How do I configure the Dovecot message delivery agent to only allow imap connections from localhost?
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5answers
1k views

Experience with dovecot mail server/roundcube web mail client [closed]

I'm currently building a web server with a mail server: Debian Lenny Apache 2.2 PHP 5.3 Dovecot Postfix I am unsure of which mail client to use. I have my eye on roundcube since it looks cooler ...
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2answers
2k views

Dovecot corrupted transaction log file is delaying email

We're running dovecot as an IMAP server and postfix to deliver mail. One of our users is complaining that email is gettin delayed (no we're not using grey listing or anything like that). ...
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1answer
27 views

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 ...
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2answers
10 views

dovecot: pigeonhole sieve daemon not starting

I'm trying to get dovecot + pigeonhole sieve working on ubuntu 14.04. From everything I've read it seems like this should be pretty straightforward, but I can't seem to get it working. I've ...
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1answer
35 views

How do I move a Maildir to a subdirectory of another user?

When an employee has left the company I want to move their entire Maildir to be a folder in an "old employees" account. Given that Maildir uses the filesystem exclusively, I feel it should be ...
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1answer
226 views

com.sun.mail.iap.protocolexception no login methods supported

A JavaMail app and dovecot/postfix/mutt are running on the same CentOS 7 physical serverbox. This JavaMail app was able to reliably import emails via IMAP using the same exact code until some changes ...
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1answer
91 views

Migrating messages from an old mailserver to a new (courier)

So I have a linux box running Postfix/Courier for use as a mailserver, using Roundcube as a front-end. User accounts are setup in the usual Maildir, with cur, new, and tmp folders. I had an older ...
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1answer
82 views

Cannot send email to info@ or support@

I am trying to send email from my gmail account to a couple user accounts I have on my new Centos server. The email is setup correctly and I can send receive from accounts ok except info and support. ...
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2answers
326 views

is there something similar like sa-learn-cyrus for dovecot?

I was looking whole morning and found nothing. I have a debian box running dovecot IMAP. I want to train the spamassassin with the users spam folders. is there something similar like sa-learn-cyrus ...
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2answers
256 views

Postfix, Dovecot - connection from outside, authentication

I want to run postfix + dovecot on my server. I'm doing it for first time. Postfix and Dovecot works on local - I can connect through telnet, and send/receive e-mails using commands. When I try to ...
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2answers
4k views

Dovecot configuration error (Permission denied) - Email for root

I have setup a local user called postman and logged into it using Thunderbird (IMAP). Following is being shown in the mail error log. Dec 14 23:45:18 ams1 dovecot: lda(root): Fatal: Invalid user ...
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2answers
1k views

best practice to have sent mail folder on dovecot imap server

When I add a mail account to KMail (or most other MUA I suppose) the sent mail folder is on the local machine and I don't have my sent mails on other machines. I'd like to have a sent mail folder in ...
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2answers
137 views

email server: refuse old emails and emails in the future

I use postfix, dovecot 2.1 and amavis for my emails. How can I refuse emails (from other email servers) that date are to old (e.g. >=1 month) or to new (eg. >=1d in the future)?
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2answers
127 views

imap user restriction

I have 50 email users (virtual users) using Dovecot, Postfix and Squirrelmail with CentOS 6.0. I want to allow some users to have access to POP and IMAP globally, and for the remaining users from my ...
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2answers
2k views

Postfix not working

A while ago I installed the postfix mail server on my ubuntu 10.04 VPS. At the time it was working good but now it's just stopped working. I was trying to enable SASL authentification and somewhere it ...
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2answers
495 views

Create email accounts independently from passwd using Dovecot and Postfix

How would I set up Dovecot and Postfix to use a different user database than passwd for the email accounts? I'd would like to have separate accounts for user, who can actually log in via ssh, and user ...
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2answers
2k views

Why doesn't dovecot accept a SSL certificate?

I trying to setup a mail server on my server, I followed the following instructions: https://help.ubuntu.com/10.04/serverguide/C/certificates-and-security.html ...
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1answer
3k views

Exim authentication using Dovecot driver

Been following the instructions at the Dovecot Wiki for setting up Exim to share authentication credentials with Dovecot. I have setup Dovecot to deliver mails for virtual users and setup a router ...
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1answer
491 views

How do I check if dovecot is being used?

I want to remove an old version of MySQL (using rpm) on a RHEL4 server and I found that a dovecot package depends on it. If dovecot is not needed then I could remove that too. How can I determine if ...
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4answers
10k views

Ubuntu 9.04, Postfix, Dovecot, Squirrelmail, and vacation/away messages

I'm attempting to set up a mailserver for a small office. FYI, we're replacing Kerio Mailserver on OS X with Postfix, Dovecot, postfixadmin, and Squirrelmail on Ubuntu Jaunty (9.04.) I installed the ...
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4answers
3k views

CentOS/Dovecot/Postfix server doesn't allow external email clients to send email ANYMORE

I've been running a CentOS/Dovecot/Postfix box as an email server for a while with no complications. A few weeks ago users stopped being able to send emails through external clients. They can read an ...
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1answer
13 views

SpamAssassin with dovecot-antispam training

I'm trying to get dovecot-antispam working with SpamAssassin' sa-learn. This is my Dovecot configuration: antispam_backend = pipe antispam_trash = trash;Trash;Deleted Items; Deleted Messages ...
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1answer
21 views

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) ...
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1answer
23 views

Dovecot not used as LDA by Postfix

I try to set up a mail server on Ubuntu using Postfix, Dovecot and LDAP. So far I can send and receive mails with Postfix and can connect to Dovecot via telnet (port 143) with an LDAP user. As a next ...
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1answer
77 views

mail client Thunderbird does not read new mails from dovecot/postfix mail server

I run a server: Debian GNU/Linux 7.8 (wheezy) and used the default mail system (exim) for mails with regular users (no vmail). Mail system did not work properly for some users, so I removed exim and ...
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1answer
80 views

Configure roundcube login by hostname

I recently installed Roundcube on my Centos6/postfix/dovecot server. Default install works great but I am trying to configure some options that I cannot seem to figure out. My end result would be a ...
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1answer
83 views

Dovecot antispam plugin does not get triggered

I've got an issue with the antispam plugin using dovecot 2.1.7 and dspam 3.10.1. I think, the antispam plugin does not recognize the Junk-Folder because the log reports Mar 25 13:11:22 mail imap: ...
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1answer
97 views

Postfix + mysql: virtual_users combined with a catch-all in virtual_aliases

I have a Postfix (and Dovecot) server running, using MySQL to define the domain names, users and aliases. This is all running fine, but now I want to add a catch-all to a domain where I already have ...
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1answer
126 views

Postfix - relay locally generated mail but accept mail incoming from GApps for the same domain

I know the way to disable all local delivery is to remove the domain from "mydestination", which will cause all mail to be relayed through whatever relay I setup. But I want postfix to accept all mail ...
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2answers
172 views

Dovecot: Email clients and duplicated folders

So in my server I'm usually going against a problem, different emails clients call some special folders like Sent and Trash different names like Sent Items and Deleted Items. My question is, can I in ...
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1answer
276 views

Authentication with Dovecot, SHA512, and salts

I have a database that has a username, password, and password salt in it. The password is hashed using SHA512. The data in my users database looks like this: user = testuser password_hash = ...
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2answers
222 views

Can't receive mail with postfix virtual alias

I can't receive mail on the virtual aliases (normal email works in and out), i didn't try the virtual domains but that's what i was going for to get to work. So i have a Debian Wheezy 7.8 Build: ...
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1answer
393 views

Postfix → Dovecot LMTP: User does not exist: uid@domain

I am trying to have Postfix deliver local mails via Dovecot's LMTP (among other things to replace procmail with sieve). Up to now, I've been using mailbox_command = procmail - a "$EXTENSION", ...
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1answer
408 views

Maildir “new” has messages but Inbox is empty

I'm installing a new mail server (Postfix/Dovecot+Maildir) in a fresh OS. Using Thunderbird (or Squirrelmail) I can send mails but my inbox is empty even when I can see them in ...
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2answers
107 views

Use Fail2ban to block proxied dovecot password attempts

I've searched around a great deal with this, but can't manage to come up with a solution. The easiest way of explaining it, is I used to have just 1 email server, now I have 2. The 1st email server ...
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1answer
141 views

How to move properly from Postfix/Dovecot to Google Apps

here is the situation: we had a mail server configured within a VPS (using Postfix/Dovecot) with the mail for 1 domain being managed. We just moved the mail for that domain to Google Apps. The MX ...