Re: Telnet port 25
From: Adams Kevin J (kevin.adams_at_PHS.COM)
Date: 12/10/03
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Date: Wed, 10 Dec 2003 10:19:29 -0800 To: aix-l@Princeton.EDU
The problem here is that there will be no retries for failures and failed
mail will stay queued.
A better solution is to run sendmail without the "-bd" as such:
/usr/sbin/sendmail -q1m
This way it works the queues but does not accept connections on port 25.
This assumes you only want to send mail and not receive.
Kevin Adams
PacifiCare Behavioral Health
Principal Systems Analyst
AIX CATE
-----Original Message-----
From: Bill Verzal [mailto:BVerzal@KOMATSUNA.COM]
Sent: Wednesday, December 10, 2003 9:22 AM
To: aix-l@Princeton.EDU
Subject: Re: [aix-l] Telnet port 25
smtp runs on port 25. You do not need sendmail running to send mail out of
a box. Once you stop sendmail, telnet to port 25 will be closed.
BV
--------------------------------------------------------
"If everything is coming your way, then you are in the wrong lane"
Bill Verzal
AIX Administrator, Komatsu America
(847) 970-3726 - direct
(847) 970-4184 - fax
"Miller, Dave
(I.S.)"
<Dave.Miller@BHS. To
ORG> aix-l@Princeton.EDU
Sent by: IBM AIX cc
Discussion List
<aix-l@Princeton. Subject
EDU> Telnet port 25
12/10/2003 11:10
AM
Please respond to
IBM AIX
Discussion List
<aix-l@Princeton.
EDU>
Can someone point me in the write direction as to how I would easily
disallow telnet to port 25, but still allow telnet to port 23?
I.e. I don't want to be able to telnet to port 25 and send mail, but I
still want to run sendmail, and allow telnet… or am I looking at this
wrong? Thanks.
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