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@colemanjp
Created October 8, 2012 23:57
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sendmail refusing to show dsn or pipelining with no reverse dns
[jcoleman@blacksquarelabs ~]$ telnet vm-emlprdomr-01.its.yale.edu 25
Trying 130.132.50.112...
Connected to vm-emlprdomr-01.its.yale.edu.
Escape character is '^]'.
220 vm-emlprdomr-01.its.yale.edu ESMTP server ready at Mon, 8 Oct 2012 19:54:37 -0400
ehlo foobar
250-vm-emlprdomr-01.its.yale.edu Hello [72.249.77.147], pleased to meet you
250-ENHANCEDSTATUSCODES
250-8BITMIME
250-SIZE 20971520
250-ETRN
250-STARTTLS
250-DELIVERBY
250 HELP
$ telnet vm-emlprdomr-01.its.yale.edu 25
Trying 130.132.50.112...
Connected to vm-emlprdomr-01.its.yale.edu.
Escape character is '^]'.
220 vm-emlprdomr-01.its.yale.edu ESMTP server ready at Mon, 8 Oct 2012 19:54:56 -0400
ehlo foobar
250-vm-emlprdomr-01.its.yale.edu Hello faeroes.sdf.org [192.94.73.9], pleased to meet you
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-8BITMIME
250-SIZE 20971520
250-DSN
250-ETRN
250-STARTTLS
250-DELIVERBY
250 HELP
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