topic Re: sendmail question in Operating System - HP-UX

sendmail question

brian_31 — Thu, 08 Apr 2010 15:49:09 GMT

sendmail on hp-ux, when i run as sendmail -v
Thanks

brian

Re: sendmail question

Tim Nelson — Thu, 08 Apr 2010 16:27:24 GMT

a couple questions:

is this sendmail that was delivered with HPUX ?

what does your 127.0.0.1 entry in /etc/hosts look like, should only say localhost loopback, no entry for your servername

is your ip, hostname, fqdn the first line in the /etc/hosts file ?( e.g not the loopback entry)

Re: sendmail question

Michael Steele_2 — Thu, 08 Apr 2010 16:48:28 GMT

"...connecting to 127.0.0.1 ..."

I would imagine the above means connecting to mail server. And to check that you:

cd /etc/mail
grep DS sendmail.cf

You'll get 6 or so lines, one will say,
DSmailserver.com

Does it say localhost?

Re: sendmail question

brian_31 — Thu, 08 Apr 2010 20:50:28 GMT

hosts entries are fine. Mail works fine too. no issues. just curious why it connects to 127.0.0.1. see below.it is connecting to loopback address and also closing it..

sendmail -v brian@owi.com
test
brian@owi.com... Connecting to [127.0.0.1] via relay...
220 mcnet.owi.com ESMTP sendmail 8.14.3/8.14.3; Thu, 8 Apr 2010 17:2
9:13 -0400 (EDT)
>>> EHLO mcnet.owi.com
250-mcnet.owi.com Hello localhost [127.0.0.1], pleased to meet you
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-8BITMIME
250-SIZE 5000000
250-DSN
250-ETRN
250-DELIVERBY
250 HELP
>>> MAIL From: SIZE=5
250 2.1.0 ... Sender ok
>>> RCPT To:
>>> DATA
250 2.1.5 ... Recipient ok
354 Enter mail, end with "." on a line by itself
>>> .
250 2.0.0 o38LTDH0023543 Message accepted for delivery
brian@owi.com... Sent (o38LTDH0023543 Message accepted for delivery)
Closing connection to [127.0.0.1]
>>> QUIT
221 2.0.0 mcnet.owi.com closing connection

Thanks

brian

Re: sendmail question

Anshumali — Thu, 08 Apr 2010 21:13:33 GMT

Hi Brian,
Its throwing the mail to localhost for relaying purpose and its working fine(as per your comments).

Generally, the mail is sent to external relay server but here your localhost is acting as relay server. Would need to see the configuration files if you really wanted to see how its been configured to flow.

Cheers!
Anshu

Re: sendmail question

Michael Steele_2 — Thu, 08 Apr 2010 22:09:57 GMT

Please post

cd /etc/mail
grep DS sendmail.cf

You'll get 6 or so lines, one will say,
DSmailserver.com

Does it say localhost?

Re: sendmail question

brian_31 — Fri, 09 Apr 2010 14:13:52 GMT

grep DS sendmail.cf
DSsmtp.owi.com
# Return-Receipt-To: header implies DSN request
# DHParameters (only required if DSA/DH is used)
just returns the relay host (FQDN) and no localhost there.

Thanks

brian.

Re: sendmail question

Michael Steele_2 — Fri, 09 Apr 2010 18:11:19 GMT

What does:

nslookup smtp.owi.com return?

What does:

nslookup ip (* of smtp.owi.com *) return?

Please add:

cat /etc/resolv.conf