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[cobalt-users] maillog entry "does not resolve" - is spam getting through or being rejected?
- Subject: [cobalt-users] maillog entry "does not resolve" - is spam getting through or being rejected?
- From: "Liam Delahunty" <lists@xxxxxxxxxxxxxxxxx>
- Date: Mon Nov 10 04:25:06 2003
- List-id: Mailing list for users to share thoughts on Sun Cobalt products. <cobalt-users.list.cobalt.com>
I've just noticed hundreds of entries such as the one below in my maillog.
They occur roughly every three minutes.
Nov 7 04:44:16 (none) sendmail[24281]: hA74fam24281: ruleset=check_mail,
arg1=<ky5csc@xxxxxxxxxxxx>, relay=aphid.CSUChico.EDU [132.241.83.67],
reject=451 4.1.8 <ky5csc@xxxxxxxxxxxx>... Domain of sender address
ky5csc@xxxxxxxxxxxx does not resolve
Nov 7 04:44:16 (none) sendmail[24281]: hA74fam24281:
from=<ky5csc@xxxxxxxxxxxx>, size=1142, class=0, nrcpts=0, proto=ESMTP,
daemon=MTA, relay=aphid.CSUChico.EDU [132.241.83.67]
So, can some kind soul please enlighten me with what exactly is happening?
Are the emails being rejected? Bounced? Forwarded to another server? Other?
Many thanks for your help in advance.
Kind regards,
Liam