terminal 2:
root@dev:/var/log# tail -f mail.log
Mar 12 00:33:14 dev postfix/anvil[12286]: statistics: max connection count 1 for (smtp:159.203.63.220) at Mar 12 00:29:24
Mar 12 00:33:14 dev postfix/anvil[12286]: statistics: max cache size 1 at Mar 12 00:29:24
Mar 12 00:33:47 dev postfix/smtpd[12423]: disconnect from localhost[127.0.0.1] ehlo=1 quit=1 commands=2
Mar 12 00:36:10 dev postfix/smtpd[12460]: connect from unknown[218.189.140.2]
Mar 12 00:36:10 dev postfix/smtpd[12460]: disconnect from unknown[218.189.140.2] ehlo=1 auth=0/1 rset=1 quit=1 commands=3/4
Mar 12 00:38:00 dev postfix/smtpd[12558]: connect from localhost[127.0.0.1]
Mar 12 00:38:12 dev postfix/smtpd[12558]: disconnect from localhost[127.0.0.1] ehlo=1 quit=1 commands=2
Mar 12 00:39:31 dev postfix/anvil[12462]: statistics: max connection rate 1/60s for (smtp:218.189.140.2) at Mar 12 00:36:10
Mar 12 00:39:31 dev postfix/anvil[12462]: statistics: max connection count 1 for (smtp:218.189.140.2) at Mar 12 00:36:10
Mar 12 00:39:31 dev postfix/anvil[12462]: statistics: max cache size 1 at Mar 12 00:36:10


terminal 1:
james@dev:~$ telnet localhost 25
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
220 mail.bluebaron.ca ESMTP Postfix (Ubuntu)


terminal 2:
Mar 12 00:50:59 dev postfix/smtpd[12764]: connect from localhost[127.0.0.1]

terminal 1:
ehlo mail.bluebaron.ca
250-mail.bluebaron.ca
250-PIPELINING
250-SIZE 10240000
250-VRFY
250-ETRN
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN
quit
221 2.0.0 Bye
Connection closed by foreign host.


terminal 2:
Mar 12 00:51:15 dev postfix/smtpd[12764]: disconnect from localhost[127.0.0.1] ehlo=1 quit=1 commands=2