email alerts failing

[Robert Cole]

I've ben chasing an email issue for a while and only just today I've put 
some time into resolving this and here is what I found.

I'm running nagios 2.9 and plugins 1.4.9 and I have a relay email server 
setup to accept and relay email to the outside world and this works from 
the nagios system if I run mail -s test test at test.com (real email 
address left off) without a problem but if the email is generated from 
nagios it doesn't go though.

This is an example tail -f  /var/log/messages on the nagios system when 
a message from nagios is generated:

Sep 18 16:26:03 ms1 postfix/smtp[2691]: AFF24199CDB: 
to=<9493008152 at mms.mycingular.com>, 
relay=mail.youmail.local[172.16.1.22]:25, delay=0.09, 
delays=0.06/0/0.01/0.02, dsn=2.0.0, status=sent (250 2.0.0 
l8INLUvu012152 Message accepted for delivery)
Sep 18 16:26:03 ms1 postfix/smtp[2691]: name_mask: resource
Sep 18 16:26:03 ms1 postfix/smtp[2691]: name_mask: software
Sep 18 16:26:03 ms1 postfix/qmgr[2479]: AFF24199CDB: removed
Sep 18 16:26:03 ms1 postfix/pickup[2480]: C308F199CDB: uid=101 from=<nagios>
Sep 18 16:26:03 ms1 postfix/cleanup[2684]: C308F199CDB: 
message-id=<20070918232603.C308F199CDB at ms1.youmail.local>
Sep 18 16:26:03 ms1 postfix/qmgr[2479]: C308F199CDB: 
from=<nagios at ms1.youmail.local>, size=683, nrcpt=1 (queue active)
Sep 18 16:26:03 ms1 postfix/smtp[2691]: < 
mail.youmail.local[172.16.1.22]: 220 mail001.youmail.com ESMTP Sendmail 
8.13.8/8.13.8; Tue, 18 Sep 2007 16:21:30 -0700
Sep 18 16:26:03 ms1 postfix/smtp[2691]: > 
mail.youmail.local[172.16.1.22]: EHLO ms1.youmail.local
Sep 18 16:26:03 ms1 postfix/smtp[2691]: < 
mail.youmail.local[172.16.1.22]: 250-mail001.youmail.com Hello 
ms1.youmail.local [10.1.1.28], pleased to meet you
Sep 18 16:26:03 ms1 postfix/smtp[2691]: < 
mail.youmail.local[172.16.1.22]: 250-ENHANCEDSTATUSCODES
Sep 18 16:26:03 ms1 postfix/smtp[2691]: < 
mail.youmail.local[172.16.1.22]: 250-PIPELINING
Sep 18 16:26:03 ms1 postfix/smtp[2691]: < 
mail.youmail.local[172.16.1.22]: 250-8BITMIME
Sep 18 16:26:03 ms1 postfix/smtp[2691]: < 
mail.youmail.local[172.16.1.22]: 250-SIZE
Sep 18 16:26:03 ms1 postfix/smtp[2691]: < 
mail.youmail.local[172.16.1.22]: 250-DSN
Sep 18 16:26:03 ms1 postfix/smtp[2691]: < 
mail.youmail.local[172.16.1.22]: 250-ETRN
Sep 18 16:26:03 ms1 postfix/smtp[2691]: < 
mail.youmail.local[172.16.1.22]: 250-DELIVERBY
Sep 18 16:26:03 ms1 postfix/smtp[2691]: < 
mail.youmail.local[172.16.1.22]: 250 HELP
Sep 18 16:26:03 ms1 postfix/smtp[2691]: server features: 0x900f size 0
Sep 18 16:26:03 ms1 postfix/smtp[2691]: Using ESMTP PIPELINING, TCP send 
buffer size is 4096
Sep 18 16:26:03 ms1 postfix/smtp[2691]: > 
mail.youmail.local[172.16.1.22]: MAIL FROM:<nagios at ms1.youmail.local> 
SIZE=683
Sep 18 16:26:03 ms1 postfix/smtp[2691]: > 
mail.youmail.local[172.16.1.22]: RCPT TO:<xxxxxx at mms.mycingular.com> 
ORCPT=rfc822;6269057159 at mms.mycingular.com
Sep 18 16:26:03 ms1 postfix/smtp[2691]: > 
mail.youmail.local[172.16.1.22]: DATA
Sep 18 16:26:03 ms1 postfix/smtp[2691]: < 
mail.youmail.local[172.16.1.22]: 250 2.1.0 <nagios at ms1.youmail.local>... 
Sender ok
Sep 18 16:26:03 ms1 postfix/smtp[2691]: < 
mail.youmail.local[172.16.1.22]: 250 2.1.5 
<xxxxxxx at mms.mycingular.com>... Recipient ok
Sep 18 16:26:03 ms1 postfix/smtp[2691]: < 
mail.youmail.local[172.16.1.22]: 354 Enter mail, end with "." on a line 
by itself
Sep 18 16:26:03 ms1 postfix/smtp[2691]: > mail.youmail.local[172.16.1.22]: .
Sep 18 16:26:03 ms1 postfix/smtp[2691]: > 
mail.youmail.local[172.16.1.22]: QUIT
Sep 18 16:26:03 ms1 postfix/smtp[2691]: < 
mail.youmail.local[172.16.1.22]: 250 2.0.0 l8INLUgm012155 Message 
accepted for delivery

Here is the other side of that on the mail server itself:

Sep 18 16:23:19 mail001 sendmail[12235]: l8INNJkx012235: 
ms1.youmail.local [10.1.1.28] did not issue MAIL/EXPN/VRFY/ETRN during 
connection to MTA
Sep 18 16:28:19 mail001 sendmail[12380]: l8INSJK8012380: 
ms1.youmail.local [10.1.1.28] did not issue MAIL/EXPN/VRFY/ETRN during 
connection to MTA
Sep 18 16:33:19 mail001 sendmail[12606]: l8INXJXp012606: 
ms1.youmail.local [10.1.1.28] did not issue MAIL/EXPN/VRFY/ETRN during 
connection to MTA
Sep 18 16:33:29 mail001 sendmail[12613]: l8INXTLn012613: 
from=<nagios at ms1.youmail.local>, size=649, class=0, nrcpts=1, 
msgid=<20070918233803.534C5199CDB at ms1.youmail.local>, proto=ESMTP, 
daemon=MTA, relay=ms1.youmail.local [10.1.1.28]
Sep 18 16:33:30 mail001 sendmail[12616]: l8INXTaH012616: 
from=<nagios at ms1.youmail.local>, size=661, class=0, nrcpts=1, 
msgid=<20070918233803.67732199CF6 at ms1.youmail.local>, proto=ESMTP, 
daemon=MTA, relay=ms1.youmail.local [10.1.1.28]
Sep 18 16:33:30 mail001 sendmail[12616]: l8INXTaJ012616: 
from=<nagios at ms1.youmail.local>, size=661, class=0, nrcpts=1, 
msgid=<20070918233803.7DC04199CDB at ms1.youmail.local>, proto=ESMTP, 
daemon=MTA, relay=ms1.youmail.local [10.1.1.28]
Sep 18 16:33:30 mail001 sendmail[12616]: l8INXTaL012616: 
from=<nagios at ms1.youmail.local>, size=661, class=0, nrcpts=1, 
msgid=<20070918233803.9110D199CF6 at ms1.youmail.local>, proto=ESMTP, 
daemon=MTA, relay=ms1.youmail.local [10.1.1.28]
Sep 18 16:33:30 mail001 sendmail[12623]: l8INXUoL012623: 
from=<nagios at ms1.youmail.local>, size=661, class=0, nrcpts=1, 
msgid=<20070918233803.A3CA9199CDB at ms1.youmail.local>, proto=ESMTP, 
daemon=MTA, relay=ms1.youmail.local [10.1.1.28]
Sep 18 16:33:30 mail001 sendmail[12626]: l8INXUCe012626: 
from=<nagios at ms1.youmail.local>, size=661, class=0, nrcpts=1, 
msgid=<20070918233803.B8520199CDB at ms1.youmail.local>, proto=ESMTP, 
daemon=MTA, relay=ms1.youmail.local [10.1.1.28]

Now it looks to me as if the mail is being accepted and I'm not sure 
what the deal is with "did not issue MAIL/EXPN/VRFY/ETRN" as searching 
and searching and looking at the solutions I've found so far don't apply 
but again if I mail out from the nagios system using the mail command it 
works yet email through nagios doesn't work.

Any ideas?

Thanks,
Robert

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