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Questions tagged [dovecot]

Dovecot is an open source IMAP and POP3 email server for Linux/UNIX-like systems, written with security primarily in mind.

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29 views

I want to start an email hosting solutions on my own server [on hold]

I want to start an email hosting solutions on my own server. Something which Migadu ( https://www.migadu.com/en/index.html ), google apps(email) for business or Zoho does. I am not sure how to get ...
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15 views

Strange error doveadm

I try to move mail from one user to another: sudo doveadm move -u touser INBOX user fromuser mailbox INBOX ALL In finally I get an error: doveadm(touser): Fatal: setresgid(1005(fromuser),1005(...
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0answers
20 views

Thunderbird can't find mail server configuration

I'm having issues when it comes to connecting to my mail server using Thunderbird client. The weird thing is that I can connect to my mail server usign telnet in the client "telnet mail.zumsfresh 25" ...
0
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1answer
59 views

opendkim.sock file not being created or does not exist

I'm attempting to configure opendkim on my raspberry email server that has a dovecot/postfix setup already configured. I have followed some tutorials and some forum posts to further diagnose my issue....
1
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1answer
19 views

How can I return (fetch) the subject using Dovecot's `doveadm fetch`?

Dovecot allows me to search on SUBJECT returning the body doveadm fetch -u myUser body SUBJECT mySubject body: My Body of message This shows me it knows what a SUBJECT is, but when I try to return ...
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0answers
31 views

dovecot aut-worker Fatal

I have set up a test Server with dovecot and get this error in mail.warn dovecot: auth-worker: Fatal: master: service(auth-worker): child 6169 killed with signal 11 My dovecot.conf is the same like ...
0
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1answer
60 views

Roundcube Error: Connection to storage server failed

I installed Roundcube on a Debian server running Dovecot, Postfix, mySQL for mail, and postfixadmin. Then I installed Roundcube. I have another server with the same configuration. I can send and ...
2
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0answers
210 views

Warning in the logs of Postfix: “restriction NNN ignored: no SASL support”. But it does have SASL support

I have postfix + dovecot + pgsql. All has been working. Recently I've changed something in the config to combat spam. Now I see this in the logs: localhost postfix/smtpd[2299]: warning: restriction `...
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0answers
45 views

How to filter/sieve email based on display name of sender

I have a problem with a persistent piece of spam. I keep getting emails from varying source addresses with useless news garbage. I can't block on either address or subject, as they change with every ...
1
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1answer
562 views

What is the correct way to use doveadm to backup emails?

I am trying to backup my email server with dovecot. I have read the doveadm command documentation but it is unclear on how to use it. I have create a test directory /dove_backup and then trying to ...
3
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2answers
45 views

Hide “You have old mail” message when logging into shell?

I have a mail system set up on my server (Postfix + Dovecot) that I use for personal and sys-admin email. Every time I login via shell (for all of my accounts), the message "You have old mail." is ...
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33 views

Indexing dovecot's date and time in solr

I'm using Solr with dovecot for full text search. Everything working fine but I want to index date or date time. I tried several ways but I can't find the correct field name to index. Few types that ...
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0answers
20 views

postfix wont send or receive email [closed]

I am running CentOS7 with postfix and dovecot connect to a mysql backend for user authentication. When I run doveadm user it responds correctly and the mailboxes get created automatically so I know ...
0
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1answer
56 views

Postfix can't send email to popular email sites

I have an installation of iRedMail version 0.9.7 running on Scientific Linux (RHEL) 7 : Linux smtp.fabricobjects.com 3.10.0-862.6.3.el7.x86_64 #1 SMP Tue Jun 26 12:13:22 CDT 2018 x86_64 x86_64 ...
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1answer
64 views

How to automatically move mails to SPAM or JUNK folder instead of removing them?

I have problem with amavis-new. amavis-new removes an e-mails tagged as SPAM are removed instead of leave them tagged by SpamAssassin. Here's /var/log/mail.log: Jul 20 20:04:09 cloud-vps opendmarc[...
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1answer
10 views

Securing ManageSieve Dovecot plugin

I've recently setup and configured dovecot and roundcube with managesieve and have been able to configure sieve through the roundcube plugin successfully. I've noticed that there is a Thunderbird ...
1
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2answers
614 views

Dovecot Immediate Connection Closed [closed]

I've set up a mail server following https://thomas-leister.de/en/mailserver-debian-stretch/ and when trying to connect a client (Outlook 365) it's unable to connect to the SMTP server. Checking mail....
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2answers
175 views

Why is postfix-spamassassin-dovecot set up this way?

I have recently added spamassassin to my mailserver, as the blacklists weren't effective enough. To clarify: I use Postfix as SMTP + Dovecot as LDA, postgrey for greylisting and postfwd for rate-...
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1answer
216 views

smtp hack attempts and no IP in logs

server gets smtp login attacks but firewall cant ban them because there is no IP in logs... like this in var/log/messages: Mar 13 16:00:05 sunucu saslauthd[1484]: do_auth : auth failure: [...
1
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1answer
253 views

Why doesn't Postfix relay just the user name to Dovecot via lmtp and how would one accomplish that on FreeBSD?

I'm having trouble understanding how Postfix relays data to Dovecot and looking for a minimal (as little deviation from distro config files as possible) but complete example on how to accomplish the ...
1
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1answer
417 views

Compressed Maildir [was Strange Postfix Maildir files]

I was called to solve a situation of recovering a backup of emails from a legacy server that died. Having Maildir files, and with some header data, I could easily determine with some detective work ...
0
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1answer
434 views

Where do custom folders of virtual users with dovecot IMAP get stored?

I just set up a Postfix+Dovecot Mail System. This system uses only virtual users. I set the mailboxes up in /var/vmail/DOMAIN/USER in the Maildir format. Now I connected (successfully :D) with my IMAP ...
0
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1answer
903 views

postfix and dovecot use /root/Maildir instead of /var/spool/mail

I have a mailserver for testing with dovecot and postfix this is the postfix config queue_directory = /var/spool/postfix command_directory = /usr/sbin daemon_directory = /usr/libexec/postfix ...
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0answers
76 views

In dovecot, what syntax to use if I have a space in mysql password?

I'm trying to configure Dovecot to access mysql, but it's not working because there is a space in the mysql password. driver = mysql connect = "host=localhost dbname=postfix user=postfix password=...
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1answer
190 views

Do I need Dovecot on server if Gmail is hosting our email?

I noticed a recurring error in the mail.log as well as when I run service dovecot status on a server I 'inherited' for my job (used for our production website). We have our MX records pointed to/email ...
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0answers
682 views

Dovecot killed with signal 15

I've been noticing a lot of Dovecot shut downs lately. I've brought it to the attention of my hosting provider, but they're not being of much help. Nov 2 10:07:22 srvr dovecot: master: Warning: ...
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2answers
51 views

Why my dovecot can't receive email sent by others? [closed]

postfix and dovecot was installed on my vps--centos7. I can send email to others ,why can't receive email sent by others? No problem for ports. netstat -an Active Internet connections (servers ...
1
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2answers
580 views

I can't send or receive email through my email server

I am using SSL to encrypt my email server's communications. However, when I try to send messages to it or retrieve messages from it, it fails to do so. Here is what it says in /var/log: Oct 28 15:29:...
1
vote
1answer
765 views

Why email can't be read from Maildir? [closed]

I have Postfix configured to deliver to Maildir-format mailboxes: $ cat /etc/postfix/main.cf home_mailbox=Maildir/ mail_location = maildir:~/Maildir I have Dovecot configured the same: $ cat /etc/...
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1answer
21 views

re-installing group of programs on a new pc or virtual machine

OS:OpenSuSE 42.3 64 bit I have spent a long time configuring a mail server, and I would like to bundle it up in some way so I can easily re-deploy it if the host needs to be re-installed. For ...
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1answer
197 views

Problems setting up dbmail with postfix

Im trying to create my own mailserver using dbmail for email storage. I have configured dbmail to work with postfix following their setup guide http://www.dbmail.org/dokuwiki/doku.php/setup_postfix ...
0
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1answer
1k views

My Postfix mail server receives login attempts from unknown users (brute force attempt) - what to do?

I have a postfix + dovecot mail server, today while checking my logs I see login attempts from unknown users / ip adresses, I guess this has to be a brute force attack. How could I stop and ...
0
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1answer
306 views

Postfix+Dovecot fault tolerance

I'm going to configure fault tolerance mail system by using Postfix+Dovecot (iRedMail solution). I haven't worked with Postfix&Dovecot before. Here is my scheme: And there are many-many other ...
0
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1answer
2k views

Dovecot not listening on imap and pop3 ports

Before I continue, I have looked at tons of posts online about saying that the protocols are not setup, and have tried what they have offered, but all of them do not help, and don't seem to resolve ...
0
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1answer
39 views

Meaning of < in file path in dovecot configuration file?

I am updating SSL certificates of Dovecot. One of the configuration lines contains text: #ssl_ca = </path/to/ca What is the meaning of that < sign?
3
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1answer
898 views

Authentication not working in Dovecot and PostgreSQL

I want to put my own mail server on VPS using Postfix, Dovecot, LMTP and PostgreSQL database. I can't send messages from VPS using the mail command, ie I don't receive these emails at my replacement ...
0
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1answer
302 views

Postfix - send all notify_classes except failed authentication

How do I configure Postfix/Dovecot to not send errors to the postmaster regarding failed authentication? A botnet continually hammers my server, and I end up with hundreds of these emails: Transcript ...
1
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2answers
2k views

How to send warning with Dovecot to users when over quota?

I'm trying to implement the quota warning to users over quota with Dovecot following this tip. I've added the following to my /etc/dovecot/conf.d/30-overquota.conf (any modication in the original /etc/...
2
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2answers
118 views

dovecot confusing site cert with mail cert

I'll try to keep this short. I want beta.example.com to use my server as a mail server. I see that dovecot and postfix have only one line for a certificate. So I made a cert for mail.example.com which ...
0
votes
1answer
979 views

Cannot send email via postfix / dovecot error status=deferred (mail transport unavailable)

I am trying to setup a mail server with postfix/dovecot/maria DB on centos 7 and have seem to hit a roadblock. I am not able to send emails to internal users and the logs suggest "mail transport ...
2
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2answers
496 views

Dovecot rejecting client certificate

I have configured dovecot to use Client certificate authentication. I have used CA.pl (openssl wrapper) to create CA cert and sign client and server certs with that.(no certificate chain, CA cert is ...
4
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0answers
984 views

SMTP Server Dovecot / Exim Authentication error

Recently, I've installed the centOS 6. The purpose of the installation to use this server as Mail server. Where I've installed Exim version 4.84_2 #1 and Dovecot. I've followed this blog post and I'...
1
vote
2answers
372 views

Bot leaving lots of `auth: Info: passwd-file` Dovecot logs without login attempts - what is Dovecot doing?

I've been getting a lot of log entries that look like this: Jan 10 10:31:24 auth: Info: passwd-file(management,91.200.12.140): no passwd file: /etc/exim/domains//passwd Jan 10 10:32:14 auth: Info: ...
0
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1answer
671 views

Dovecot Virtual Mailboxes issue. Can't create virtual mailboxes

I'm trying to setup virtual mailboxes. Not virtual user accounts, but rather virtual folders IN the user account. This is to achieve better management of incoming mail. Somewhat like Gmail does with ...
1
vote
1answer
908 views

Postfix Dovecot LMTP and address delimiters doesn't work

I have a Debian server with Postfix and Dovecot. Recently I installed Sieve on Dovecot and configured Postfix to deliver emails with LMTP. Since then pure usernames don't work together with a ...
0
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1answer
35 views

Unable to use mail secure ports

In postfix and dovecot i am only able to connect to ports 25 (SMTP), 110 (POP3) and 143 (IMAP), others such as 465 (SMTPS), 587 (SMTP TLS), 993 (IMAPS) and 995 (POP3S) i am unable to connect with mail ...
2
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1answer
769 views

The mail system : user unknown Action: failed Status: 5.1.1 Diagnostic-Code: x-unix; user unknown

I have a mail system from Postfix, Dovecot, Amavis, Spamassin on a Debian Jessie 8.5. Imap and pop3 work fine. Smtp port 465 over ssl sends fine, delivery is okay, but port 25 and 587 got the error "...
1
vote
1answer
35 views

Encrypted home folder and email

I'd like to encrypt my home folder in CentOS. I notice Dovecot has created directories and files under ~/mail. If I encrypt, will my email stop working (remote access over imap and smtp)?
0
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1answer
49 views

How to unmask High Volume sender (Dovecot and Sendmail on Red Hat Linux)

Recently one of my boxes started to send high volume of mail which in return has spiked my load percentage on my Linux box. I have SPLUNK tied to my box which catches everything the box reads/writes. ...
6
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1answer
2k views

Configure Postfix and Dovecot-LMTP to receive mail via SMTPUTF8?

I am running a Postfix server which uses Dovecot LMTP for mail delivery. I am doing this because it plays well with sieve. However, I have gotten some email lately with Unicode in the subject line. ...