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Mail Server and outlook setup

Posted: Tue 19. Aug 2025, 23:48
by MoKaa
Dear all ,

Iam using keyhelp , installed on debain 12 , the scenario as following

1- Hostname server.domain.com
2- first domain (domain.com) the domain of hostname
3- Second domain (domain2.com)

After creation and moving backup from cpanel to keyhelp manual , all work good , websites , and emails moved correctly no problem

now when i try to add email example (info@domain.com) it added correctly and choose it own ssl 993 & 465 port without no issue but when i try to add info@domain2.com it give me error (cann't connect to incomming mail server) when i try to change ports ssl or starttls it give me certificate error it pull hostname certificate.
  • tried to certbot the second domain to make it wildcard certificate No chance
    Tried to add mail cname to the domain2 (mail.domain2.com cname domain2.com) no chance

    tried to change Main domain for connecting email clients Use the associated domain name No chance

Any help or ideas to make the second domain work on its mail server or domain.com mail server without issue ?


Thanks

Re: Mail Server and outlook setup

Posted: Wed 20. Aug 2025, 09:35
by Tobi
You probably have a DNS issue.
Unfortunately, no one can really help you unless you provide the real domain names and we can check the connectivity remotely.

Re: Mail Server and outlook setup

Posted: Wed 20. Aug 2025, 13:58
by MoKaa
Domain that have the problem is spatiumegypt.com
the other domain is ar4bnet.com

Re: Mail Server and outlook setup

Posted: Wed 20. Aug 2025, 16:35
by Tobi
The only point I can see is spatiumegypt.com pointing to MX mail.spatiumegypt.com but the real hostname is server.ar4bnet.com

The rest looks fine…

Re: Mail Server and outlook setup

Posted: Thu 21. Aug 2025, 12:32
by Tobi