On 08/02/2018 10:03 AM, Aristos Vasiliou wrote:
>
> 1) I left sendmail there because as already mentioned in my
> previous email, it works, apparently as an alias to postfix
>
No.
If you want our help, then you need to listen to what we are telling
you. You are not listening to what we are telling you.
I'm going to try one more time, and then I'm going to stop offering you
advice, because as someone else has pointed out, this is clearly a
PEBKAC issue.
If you don't have the sendmail RPM installed, then the command sendmail
actually calls postfix. If you DO have the sendmail RPM installed,
whether it not you've enabled and started the sendmail service, then the
sendmail command will be the actual sendmail version, not the postfix
emulation. And if you don't have the sendmail service started, then the
sendmail command that comes from sendmail (not postfix) will not work.
That's the behavior you are seeing.
>
>
> 2) I only configured postfix. Obviously mail, mailx & sendmail,
> all use the postfix configuration.
>
>
>
> 2a) I did not install sendmail. In my second email I actually
> mentioned that I had to disable it, so postfix can use port 25 to send
> out emails
>
>
>
> 2b) see 2a
>
You don't seem to understand the difference between installing an RPM
package and configuring / enabling it. When we talk about installing,
we're talking about INSTALLING, not enabling or configuring. YOU SHOULD
NOT HAVE BOTH THE SENDMAIL RPM AND THE POSTFIX RPM INSTALLED AT THE SAME
TIME. UNINSTALL THE SENDMAIL RPM.
> In any case, I changed the mta to mail, restarted fail2ban and it
> still doesn’t sent emails out. So this whole discussion is moot. The
> problem lies elsewhere.
>
We can talk more about the problems you are having when you've actually
uninstalled the sendmail RPM. Until then, your system is in an
inconsistent state and it would be a waste of our time to attempt to
help you with it.
If you want our help, listen to what we are saying.
Jonathan Kamens
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