• Plesk Uservoice will be deprecated by October. Moving forward, all product feature requests and improvement suggestions will be managed through our new platform Plesk Productboard.
    To continue sharing your ideas and feedback, please visit features.plesk.com

dovecot

  1. G

    Resolved Fail2ban plesk-dovecot does not ban bad logins

    Fail2ban does not catch bad logins anymore. For example over hours attacker try to login with non-existing mail-users. Product version: Plesk Obsidian 18.0.73.2 OS version: Debian 12.12 x86_64 Build date: 2025/10/03 15:00 Revision: 697b1ead827b8f34242d318faa04cd8e803398a3 As...
  2. B

    Issue After latest Plesk/Dovecot update, duplicate spam, sending, deleted items.

    Hello everyone, I would like to remove the duplicate folders. Unfortunately, these folders are not being deleted. Now I have the following folders duplicated: Drafts, Spam, Deleted Items. How can I restore the order? See image. In addition, Roundcube uses the folders under the inbox, and...
  3. Geraldo V Vieira

    Issue Dovecot global rules

    Before the latest update I had global rules set up and it worked perfectly but now it will not work and dobecot will not even start, I have to delete the global rules for it to start. So I had the following set up: /etc/dovecot/conf.d/99-hostoncilla-sieve.conf With: plugin { sieve_before =...
  4. J

    Issue utlook can’t download attachments or save drafts via IMAP (Plesk mail server)

    Hi everyone, I’m running into a strange issue with my Plesk mail server (Postfix + Dovecot) and Outlook (Mac & Windows) clients. For the past few days, I have been unable to properly handle emails with attachments. The following problems occur: Attachments won’t download (“Attachments must...
  5. K

    Resolved Dovecot + Plesk 18.0.73

    After upgrading, i found the message in the maillog: dovecot: auth: Warning: Weak password schemes are allowed how can i change this setting ?
  6. HoracioS

    Resolved After upgrading to 18.0.73: POP3 re-download storm due to index/UID changes (Dovecot 2.4.1)

    After updating to 18.0.73, POP3 accounts begin re-downloading all messages. Server logs show index rebuilds / changes around the upgrade window. POP3 clients treat every message as new. What seems to be happening (technical) The current pop3_uidl_format uses %{uid} and ${uidvalidity}. If...
  7. vampsm

    Issue Attention if you planted Plesk Update to Obsidian 18.0.73 - DOVECOT Setting and Function

    Now we have running update to Obsidian 18.0.73 After update cannot start Dovecot Service .. Dovecot Setting must be migrate from 2.3 to 2.4 AND our BIG problem, we used Dovecot Shared Mailboxes - this function is now only for PRO Account available !?!?!?!?!
  8. F

    Question MFA e-mail (Postfix/Dovecot)

    Hey, there. I hope you're doing well. Does anybody know about these features, even if it's in the roadmap? Some customer are asking for modern authentication types I'm sure it's a very desirable feature. Thanks in advance.
  9. S

    Resolved How to make Horde filtering rules work in Plesk

    How to make Horde filtering rules work in Plesk Good day to all! I have the following problem. I need to set up mail filters rules in Horde. I did it. But they don't work. Sieve is there and connected. The script is visible, it should work, but it doesn't. How can I solve this? And an...
  10. EnriqueR

    Question Exclude email or domain from fail2ban checking

    I have a problem with a client. Every now and then, fail2ban blocks their IP because they have misconfigured email accounts on their network, which triggers the plesk-dovecot rule. This is fine, but the problem is that the client is unable to find the email program that's causing the problem...
  11. E

    Issue dovecot Error "Timeout waiting for handshake response"

    Hi all, We have been running our Plesk server for a long time without issues, hosting many users. However, sometimes when there are numerous IMAP connections, including from webmail, the performance slows down significantly and ultimately results in an "internal server error." Below are the...
  12. R

    Resolved Restart Dovecot, repair mail after Server reboot

    Occasionally I have to reboot my VPS server. After reboot, Dovecot does not restart automatically, I have to manually start it. I also have to issue 'plesk repair mail-y' for email to function properly (i.e to be able to send mail from webmail). I am running Debian 12. Any help would be...
  13. J

    Issue SELinux blocking dovecot from writing to passwd.db

    Greetings, I'm running dovecot 2.3.21.1 (Plesk says up-to-date). I'm getting this repeated error in /var/log/messages... "SELinux is preventing /usr/libexec/dovecot/auth from write access on the file passwd.db." (I think passwd.db is the one in /var/lib/plesk/mail/auth/) This causes...
  14. D

    Resolved CAN NOT SEND OR RECEIVE EMAILS Error 83 (Out of Memory)

    Hello Plesk Forum: I am requesting your support as I am experiencing this error whereby I can not receive and send emails. Below I attach the error message. dovecot [2379856] service = imap, user = [email protected], ip = [00.000.000.000]. Fatal: master: service (imap): child 518002...
  15. S

    Resolved Dovecot Broken After Latest Update

    Last night Dovecot was updated to 2.3.21-v.ubuntu.22.04+p18.0.61.0+t240426.1307, and I am now getting these errors: dovecot [3425360] service=imap, [email protected], ip=[nnn.nnn.nnn.nnn]. Error: namespace configuration error: list=yes requires prefix=INBOX. to end with separator /...
  16. Boas Simon

    Resolved Dovecot IMAP issues with Plesk Premium Email (Kolab)

    Hi all, so I'm testing Plesk Premium Email (Kolab) and can't manage to run IMAP propper. Here's the issue: Plesk 18.0.61 running on Ubuntu 22.04.4 LTS an a VServer hosted by Strato (Germany). Installed Plesk Premium Email, running smooth and fine. Trying to connect via IMAP from a client...
  17. U

    Question How to configure postfix to pipe all incoming email to a script using Plesk?

    Basically, I'd like the same functionality as in the question below. I only run into the issue that whenever I add transport_maps = hash:/var/spool/postfix/plesk/transport, hash:/etc/postfix/transport to the main.cf file, indeed the script gets executed, but the email will no longer be stored...
  18. andreios

    Issue Setting the default_client_limit value for dovecot by Plesk as specified by the instructions

    When using Plesk to setup maximum number of connections, under mail server settings (in my case 1024), the client_limit setting is not adjusted as intended. I found this support article that talks about this problem...
  19. J

    Resolved Problem sending emails to myself

    Hello All Kind of new to Plesk, but liking it On thing bugging me. I often send emails to myself, to either remind myself of something or an automated email to let me know and "event" happened so i want to send an email from myself. i.e john@example,com to [email protected] I have done many...
  20. TorbHo

    Question Is it safe to use Dovecot ACL read-only with Plesk

    Our customers need a way to secure emails in a separate mailbox that is read-only, so the mails can be viewed but not deleted. I came across the ACL Plugin from Dovecot, which is installed by default in Plesk but not activated. Using ACL seems to achieve this. Is it safe to use this plugin, or...
Back
Top