[CentOS] Use postfix and spamd on CentOS 6 - looking for a shortest guide

Les Mikesell lesmikesell at gmail.com
Wed Aug 13 19:20:51 UTC 2014


On Wed, Aug 13, 2014 at 2:06 PM, Always Learning <centos at u62.u22.net> wrote:
>
>> Always Learning wrote:
>
>> > No one really wants to revert to Sendmail - do they ?
>
>> It worked fine for me for years - what do you have against it?
>
> Sendmail lacks the configurability of Exim.

Maybe, if you refuse to use the milter interface introduced in 2001.
Or the available programs that do the work for you.

> I refuse connections when the HELO / EHLO does not resolve to the
> sender's IP address, for example
>
> Sender's IP : 62.25.80.157 = mail1.bemta105.messagelabs.com
> Host name   : mail1.bemta105.messagelabs.com = 62.25.80.157
> HELO name   : server-12.bemta-105.messagelabs.com = no IP address
> Date        : Tuesday, 11:04, 12 August 2014, (+01:00)

There's not really a requirement for that.  And a multi-homed host or
one behind nat may not know what IP you think it has.


> Sender's IP : 202.94.83.220 = 202-94-83-220.infra.usd.ac.id
> Host name   : 202-94-83-220.infra.usd.ac.id = 202.94.83.220
> HELO name   : ASRI-PC = no IP address
> Date        : Wednesday, 06:16, 13 August 2014, (+01:00)
>
> I can restrict sending to some email addresses to white-listed senders.
>
> I can get rid of pests by rejecting with a bounce message 'the
> recipient's mail box is full'.

I think sendmail can do those natively - or more easily with milters.

> I can run a basic mailing list, within Exim, without having to use
> Mailman.

But why would you?

-- 
   Les Mikesell
     lesmikesell at gmail.com



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