root@sinister:/etc/mail# echo test | sendmail -v cmwise@uakron.edu -fname cmwise@uakron.edu
-fname,cmwise@uakron.edu... Connecting to [127.0.0.1] port 587 via relay...
220 sinister.uanet.edu ESMTP Sendmail 8.14.3/8.14.3/Debian-9.1ubuntu1; Wed, 9 Jun 2010 10:54:56 -0400; (No UCE/UBE) logging access from: localhost(OK)-localhost [127.0.0.1]
>>> EHLO sinister.uanet.edu
250-sinister.uanet.edu Hello localhost [127.0.0.1], pleased to meet you
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-EXPN
250-VERB
250-8BITMIME
250-SIZE
250-DSN
250-ETRN
250-AUTH DIGEST-MD5 CRAM-MD5
250-DELIVERBY
250 HELP
>>> VERB
250 2.0.0 Verbose mode
>>> MAIL From:<root@sinister.uanet.edu> SIZE=5 AUTH=root@sinister.uanet.edu
250 2.1.0 <root@sinister.uanet.edu>... Sender ok
>>> RCPT To:<-fname@sinister.uanet.edu>
>>> RCPT To:<cmwise@uakron.edu>
>>> DATA
550 5.1.1 <-fname@sinister.uanet.edu>... User unknown
250 2.1.5 <cmwise@uakron.edu>... Recipient ok
354 Enter mail, end with "." on a line by itself
>>> .
050 <cmwise@uakron.edu>... Connecting to smtp.uakron.edu via relay...
050 220 kiwi.uakron.edu ESMTP Sendmail 8.13.8/8.12.2; Wed, 9 Jun 2010 10:54:32 -0400
050 >>> EHLO sinister.uanet.edu
050 250-kiwi.uakron.edu Hello sinister.uakron.edu [130.101.181.200], pleased to meet you
050 250-ENHANCEDSTATUSCODES
050 250-PIPELINING
050 250-8BITMIME
050 250-SIZE 20971520
050 250-DSN
050 250-ETRN
050 250-STARTTLS
050 250-DELIVERBY
050 250 HELP
050 >>> STARTTLS
050 220 2.0.0 Ready to start TLS
050 >>> EHLO sinister.uanet.edu
050 250-kiwi.uakron.edu Hello sinister.uakron.edu [130.101.181.200], pleased to meet you
050 250-ENHANCEDSTATUSCODES
050 250-PIPELINING
050 250-8BITMIME
050 250-SIZE 20971520
050 250-DSN
050 250-ETRN
050 250-DELIVERBY
050 250 HELP
050 >>> MAIL From:<root@sinister.uanet.edu> SIZE=270
050 553 5.1.8 <root@sinister.uanet.edu>... Domain of sender address root@sinister.uanet.edu does not exist
050 <root@sinister.uanet.edu>... aliased to cmwise
050 cmwise... Connecting to local...
050 cmwise... Sent
250 2.0.0 o59Esu30005848 Message accepted for delivery
cmwise@uakron.edu... Sent (o59Esu30005848 Message accepted for delivery)
>>> RSET
250 2.0.0 Reset state
root... Using cached ESMTP connection to [127.0.0.1] via relay...
>>> MAIL From:<> SIZE=1029
250 2.1.0 <>... Sender ok
>>> RCPT To:<root@sinister.uanet.edu>
>>> DATA
050 <root@sinister.uanet.edu>... aliased to cmwise
250 2.1.5 <root@sinister.uanet.edu>... Recipient ok
354 Enter mail, end with "." on a line by itself
>>> .
050 cmwise... Connecting to local...
050 cmwise... Sent
250 2.0.0 o59Esu33005848 Message accepted for delivery
root... Sent (o59Esu33005848 Message accepted for delivery)
Closing connection to [127.0.0.1]
>>> QUIT
221 2.0.0 sinister.uanet.edu closing connection