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Impacted versions

  • Distribution: Ubuntu 20.04
  • Arch: 32 Bits
  • Database: PostgreSQL

Steps to reproduce

  • Installed Modoboa through the installer. (didn't saw any errors)
  • Installed SSL certificate through certbot and then deleted it, and then installed again for www.mail.domain.nl instead of mail.domain.nl.
  • Added a domain and logged in as admin of this newly created domain into Modoboa and accessed the emailbox.

Problem

I have first time ever installed Modoboa Webmail which has dovecot to handle IMAP and POP3, I noticed that when I execute a command to see the current running services $ systemctl list-units --type=service. I see that the service dovecot.service failed to run in redcolor.

Created a domain and mailbox, managed to log in but whenever I access the www.mail.domain.com/webmail page to see my emailbox I get the error Error: Connection to IMAP server failed: [Errno 111] Connection refused.

When I write the command dovecot -F I get:

doveconf: Warning: NOTE: You can get a new clean config file with: doveconf -Pn > dovecot-new.conf
doveconf: Warning: Obsolete setting in /etc/dovecot/conf.d/10-ssl.conf:45: ssl_protocols has been replaced by ssl_min_protocol
doveconf: Fatal: Error in configuration file /etc/dovecot/conf.d/10-ssl.conf line 13: ssl_cert: Can't open file /etc/letsencrypt/live/mail.domain.nl/fullchain.pem: No such file or directory

Expected behavior

I think it has to do with Dovecot service showing the status of 'failed' in the service list. Please help me haha, I want to send emails and receive on my Ubuntu server using Modoboa.

I think it has to with SSL certificate which I deleted but I have it now for www.mail.domain.nl instead of mail.domain.nl the reason is certbot blocked me for one week by having too many attempts.

EDIT: I think I need to add manually the files of

ssl_cert = </etc/letsencrypt/live/mail.domain.nl/fullchain.pem
ssl_key = </etc/letsencrypt/live/mail.domain.nl/privkey.pem

Since they don't exist?

Tarik Hacialiogullari
  • 11
  • 7

1 Answers1

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Fixed it the problem was inside the file of Dovecot:

$ cd /etc/dovecot/conf.d/
$ nano 10-ssl.conf

and then update the directories of

ssl_cert = </etc/letsencrypt/live/mail.domain.nl/fullchain.pem
ssl_key = </etc/letsencrypt/live/mail.domain.nl/privkey.pem

To: ssl_cert = </etc/letsencrypt/live/www.mail.domain.nl/fullchain.pem ssl_key = </etc/letsencrypt/live/www.mail.domain.nl/privkey.pem

Since I have added www. as subdomain because of the flood :D

$ sudo systemctl restart dovecot

Maybe we need also change postfix old subdomain:

sudo nano /etc/postfix/main.cf

But it works also without postfix fixing for me :D

Tarik Hacialiogullari
  • 11
  • 7