Questions tagged [dovecot]

An IMAP and POP3 email server. When asking about Dovecot problems, please include relevant maillog lines and output of the following command: `doveconf -n`

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Dovecot Mail-Crypt plugin using users password from userdb

I've been looking into encrypting the emails on my Dovecot server to provide actual secure storage of emails (Based of users passwords, naturally). Problem is that it seems that even though Dovecot ...
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POSTFIX only sends mail to GMail

I have created a mail server using dovecot and postfix(Ubuntu ec2-aws). I'm receiving emails from any domain. but I can only send emails to gmail. When i try to send email to other domains, CA58541898 ...
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Postfix LDAP aliases - user unknown

I have server POSTFIX + DOVECOT with LDAP (ActiveDirectory) authorization. /etc/postfix/ldap_virtual_mailbox_maps.cf query_filter = (&(objectClass=person)(mail=%s)) result_filter = %s ...
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DKIM_INVALID in Spamassassin only for emails sent from other emails in the same server

I have postfix/dovecot running with spamassassin on Centos. PROBLEM: The VPS acts as a mail server Spamassassin edits the email subject and adds [SPAM} Ms. Outlook on Windows moves those emails to ...
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Postfix: Multiple email address to the same user causing duplicate message

I have setup Postfix on my Ubuntu server to receive and send emails, and then I have created three virtual email addresses via /etc/postfix/virtual like this: support@domain.com mailer sales.support@...
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Dovecot claims ports are in use, netstat disagrees

Attempting to start dovecot gives me this: Apr 28 13:37:00 master: Error: service(pop3-login): listen(*, 110) failed: Address already in use Apr 28 13:37:00 master: Error: service(pop3-login): listen(*...
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Failed to store into mailbox 'INBOX': Internal error occurred [duplicate]

I have a problem that I don't know what's going on. I have an account that in the inbox has more than 100000 emails, I performed the re-indexing of the account, I made the copy of the emails and I ...
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dovecot - Internal error occurred - failed to store into mailbox

I have a problem that I don't know what's going on. I have an account that in the inbox has more than 100000 emails, I performed the re-indexing of the account, I made the copy of the emails and I ...
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Dovecot problems wit SSL Cert: Verify return code: 2 (unable to get issuer certificate)

sry for that, but i am a newcomer at ssl and what do i wrong? i try to change the dovecot imap login to imaps but something goes wrong with the ssl cert check. The ssl cert works for the https apache ...
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TLS authentication issues with Outlook + Dovecot + Postfix + CentOS 8

I hope you are well! I'm new with unmanaged VPS and I'm running a Contabo server with CentOS 8 and AaPanel my problem is with the SMTP connection with Outlook, my server is only accepting SMPT ...
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How to restrict Dovecot's passwd userdb driver to only mail users

I am using Dovecot's passwd userdb driver, like this. userdb { driver = passwd } This works fine, but it seems to allow all users in /etc/passwd to receive mail, including root, which I do not ...
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Can PAM be used with Postfix and Dovecot SASL?

I have set up Postfix to use Dovecot SASL with PAM and Unix users, and Dovecot LDA (LMTP) for local mailbox storage. After some testing, turns out incoming mail gets declined with the reason: Error: ...
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I can't receive emails with Foxmail, but the email has been received locally

Maillog doesn't show any errors. I see a new email in my /home/mail/domain/www3/new. I just can't read the email by using the client or telnet 110/143. Dovecot info The log doesn't seem to show any ...
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Dovecot virtual mailbox change domain of mailbox

I have a virtual mailbox (Maildir) like user@111.com, which now needs to be moved to user@222.com because of a change in domain. Reading about, I have found Dovecot "import" and "move&...
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How do I tell Dovecot to use another server for SMTP?

I am a bit lost on mail servers, but I have to install a mail proxy (Proxmox Mail Gateway) in front of the actual mail server (ISPConfig, Roundcube, Dovecot, Postfix). On receiving emails, it uses the ...
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dovecot oauth2 mechanism filtred

i am getting crazy over here .i am trying to set dovecot to use keycloack as an auth server. if followed the instructionf from https://doc.dovecot.org/configuration_manual/authentication/oauth2/ .but ...
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Individual and global spam filter using Dovecot/rspamd

I'm runnig email server using Postfix, Dovecot, RoundCube and rspamd on Debian 11. Like everyone I have to deal with spam, but I got high demands for that. Currently my rspamd is checking every ...
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Dovecot isn't delivering emails from external servers

Emails sent from other domains hosted by dovecot are being delivered, however emails from gmail, outlook and others are not being delivered. I followed this tutorial: https://www.linuxbabe.com/mail-...
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Dovecot refusing connection after extending CertBot certificates

I have an Ubuntu server with a website and a setup with postfix, dovecot, and roundcube. All was working well. But this week, I have extended the wordpress website from 1 single-site to 6 sites (...
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How does dovecot performs the hash comparison process without using salt in password

I got a mail server using dovecot, postfix with mysql I insert an email user through the following sql statement: insert into users(email, password) values('dave@example.com',ENCRYPT('secret')) ...
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Maximum number of connections from user+IP exceeded - dovecot error only one user

I keep having this issue with one user, and I have to restart dovecot several times a day to clear it. What I have is a postfix / dovecot mail server (Centos 7) and about a dozen users. All mailboxes ...
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postfix high availability and scalability

i have successfully set up a postfix , dovecot , mysql container .i can receive and send emails through this container and every thing is going alright.now i am thinking about high availabilty and ...
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Postfix - Stop auto responder emailing specific email addresses

Is it possible to configure Postfix to not send a auto response to a specific email address? Reason: We use a specific email address for our clients to email issues to and an external company has ...
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It it possible to share a Dovecot passwd file to use it with Postfix's virtual_mailbox_maps?

I run a small Postfix and Dovecot server with only a few mailboxes. All are virtual via Dovecot, there's no local delivery. Caused by the small number of users, I simply use plain text files for the ...
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How do you sync a server's local user backup using doveadm sync

I have dovecot backups from the old server on the new server. I'm trying to get the syntax to sync user mail from the unzipped backup with the dovecot account. I tried something like doveadm sync -u ...
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Dovecot Authenticating with Active Directory, username with period not going through

I have been struggling the past 2 days. My conf file is like this: hosts = 192.168.2.2 ldap_version = 3 auth_bind_userdn = %Ln auth_bind = yes dn = admin dnpass ...
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Roundcube with Dovecot - disappearing/not present inbox and emails

Versions: Debian 11 5.10.92-1 x86_64 - nginx/1.21.6 - mysql 15.1 10.5.12-MariaDB - PHP 7.4.25 (cli) - dovecot-core/stable,now 1:2.3.13+dfsg1-2 I've got my postfix/dovecot configration working for ...
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Dovecot 2.2.36-8 basic setup - mbox: mbox root directory can't be a file

I am trying to set up an IMAP server on my basic Centos 7 mail server. I have postfix MTA set up and delivering mails to the following directory (I have no reason to change this to use the $HOME ...
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unknown domain "pl.d.sender-sib.com" and "gmail.com" under /var/vmail/ on ubuntu server 20.04 running postfix/dovecot/spamassassin/amavis

I am running postfix/dovecot with spamassasin and amavis on Ubuntu server 20.04. I am also using this server as an LEMP Wordpress server. I have configured everything (email wise) according to ...
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Can't send or receive mails when connected to OpenVPN server (on which also the mail server is running)

I'm a bit stuck here at the moment and will appreciate every push towards the right direction to solve this issue. My two goals are to get an OpenVPN server running on a remote VM (Digital Ocean ...
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postfix postfixadmin rainloop dovecot

I have setup postfix.dovecot with Postfixadmin with mysql. This is Debian 11 I can login ok and send mail and receive pop3 and smtp. Problems: 1: I can login on one domain with imap and send ok but ...
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Dovecot Sieve Vacacations not working if the mail is relayed by external provider

We have infrastructure with the postfix server, dovecot and sieve. Everything is working as expected but recently decision was made to start relaying our outgoing mail via the external provider. There ...
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How to add user to postfix? [closed]

I created and configured postfix with davecot, everything seems to work: Dec 20 10:31:32 mailer dovecot: master: Warning: Killed with signal 15 (by pid=8470 uid=0 code=kill) Dec 20 10:33:03 mailer ...
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RoundCube install in parallel: Connection to storage server failed

I need upgrade and split Centos 6.3, RoundCube 0.7.2 and Dovecot 2.0.9. Apache link is old.mydomain. IMAP section: $rcmail_config['default_host'] = 'localhost'; Dovecot authenticate against Microsoft ...
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Dovecot can't connect to ldap server via ldaps

I have an LDAP server that accepts request through ldaps on port 636. I already use it for many of my applications and I want to have my dovecot server use that for authentication as well. dovecot ...
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permission denied error for letsencrypt certificates

This error is from dovecot where it can't read the certificate because of permissions I tried changing permissions around, presently I have everything on 644 I understand the paths are only links to /...
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SSL certificate - conflicting expiry dates [duplicate]

I am experiencing a weired issue regarding a letsencrypt SSL certificate on my postfix mail server. According to certbot: "The following certs are not due for renewal yet: /etc/letsencrypt/live//...
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Dovecot slow searching a huge mailbox

We store a bcc of every outsent mail in a mailbox and we store the Message-ID in our DB. We have a web page that gets the sent mail from imap using the message-id using "SEARCH HEADER Message-ID &...
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postfix not listening on port 25, netstat shows nothing on port 25

The output of netstat shows nothing on port 25 I understand dovecot >= 2.3.0 uses submissions protocol I don't know if it's relevant to the postfix smtpd daemon
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Postfix/Dovecot can't send or receive mail

The error in mail.log says "dovecot Failed to establish relay connection in=0 out=22 (state=GREETING)" Using Dovecot 2.3.7.2 # 2.3.7.2 (3c910f64b): /etc/dovecot/dovecot.conf # Pigeonhole ...
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dovecot Error: No relay host configured for submission proxy (submission_relay_host is unset) after upgrade to version >= 2.3.0

I find this occurs because of a new feature of dovecot in versions >= 2.3.0 So all I have to do is add "submission" to protocols I lmtpd.protocol and pop3d.protocol in /usr/share/dovecot/...
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How to create subfolder on mailbox from command line

On a CentOS 7 machine running Postfix and Dovecot how could I create subfolder named 'Bulk' on a inbox trough command line? I thought to use the maildirmake command but this returns "maildirmake ...
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Email server will not receive emails - Postfix / Dovecot / Raspberry Pi [closed]

Background I have been working on getting an email server set up using a Raspberry Pi as the host. I have been primarily using this guide as my help but I appear to be stuck. I do have a residential ...
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Mail server seems to be working but mail client does not show mails

for the last few days I have been trying to run an email server and it looks like I finally made it. The email server runs on Debian in combination with postfix and dovecot. Webmin is also installed, ...
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Random deleted emails remaining on some Samsung Email android devices with Dovecot server

I'm running Dovecot 2.2 (via Mail-in-a-Box) on Ubuntu (LAN) and have several Samsung devices with the stock Email app. All are running the same version. Sometimes, I notice that if I'm deleting email ...
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Dovecot does not send the CA file unless ssl_verify_client_cert is set to yes

I have a Postfix / Dovecot / MySQL email server with user password login configured. Everything works fine except for the fact that Dovecot does not send the chain CA file to the client. I have ...
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Where do I set dovecot protocols

I have /etc/dovecot/dovecot.conf and then a lot of config files under /etc/dovecot/conf.d directory Which file should I edit to set protocols because in /etc/dovecot/dovecot.conf there's no protocol ...
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Setup VPS mail server and import to Gmail

Problem Setup There is a dedicated Ubuntu 18.04 VPS. There is a domain "foo.com" bought via GoDaddy. There is a Gmail account "some.name@gmail.com". Goal The goal is to send a ...
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Postfix Maildrop Directory Generating Unsolicited Email

I have recently set up up a Postfix Mail Server on Ubuntu 20.04. This server is used mainly to relay messages from authenticated users to the outside world. This is so applications such as payroll ...
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Postfix can send, but not receive external email with configuration in CentOS 8

I have two problems, and I believe they are somewhat related. First, I can receive email from domains in my local server in Roundcube and Horde, but not in Thunderbird or Mac Mail. Secondly, I can't ...
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