A mail server doesn't handle spam itself, so you should think use a mail
server and an AntiSPAM software (I recommend you spamassassin or/and dspam).
By other hand, the antispam software is only a layer in an antispam
system. For a better acuracy, you sould consider implement greylisting,
RBL (mandatory, using it at first level, you can discard about 90-95% of
your spam before it reach the mailserver, at smtp level), SPF/DomainKeys
and content filter. Many of this technics are implemented in an antispam
software.
Respect to the mail server, I recommend you use qmail or postfix. If you
never has used qmail, I recommend you use posftix.
qmail doesn't required mrtg as you say, but it's very usefull for use
with qmailmrtg graphs.
You should be able found posftix packages in red hat repositories
(official) and here (unofficial red hat packages, but linked from
official postfix webpage): http://postfix.wl0.org/
Regards,
FJ
El 10/01/2011 13:14, sunhux G escribió:
Anyone has any freeware mail server for RHEL 4.x to recommend?
Preferably something with least bug, good spam handling, can set
rules (like Outlook rules), ease of administration& supports POP3?
If SMTP& POP3 rpms are bundled, that would be good; if not let
me know where to download
I thought of qmail but I can't seem to get the mrtg rpm that's a
prerequisite
for qmail. Care to point me a url / link to download this& to download
the POP3 rpm?
Thanks
U
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