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Hot ot upgrade postfix to V3 on ClearOS 7
Hi All,
I get issues with the limits of current postfix version : version 2.10.1
So I look around guide to deploy fresher version.
It seams that 3.x are "possible" and many guid indicate to add a repo : http://mirrorlist.ghettoforge.org/
- Install Postfix 3 on Linux CentOS for sending e-mail over SMTP, SMTPS and STARTTLS
- Upgrade Postfix from v2 to v3
- How To Install Postfix 3 on CentOS 7
All of them start to remove postfix V2 using :
Which leads to this :
So is there a way to upgrade postfix to V3 without "loosing" : SMTP & MAIL app ?
As all my notification email are rejected because I'm contacting SMTP server on standard port 25 :
Thanks in advance for any valuable information or advise on this subject.
Taryck. - Install Postfix 3 on Linux CentOS for sending e-mail over SMTP, SMTPS and STARTTLS