root@sumhap postfix]# telnet localhost 25
Trying 127.0.0.1...
Connected to localhost.localdomain (127.0.0.1).
Escape character is '^]'.
220 localhost ESMTP Postfix
ehlo localhost
250-localhost
250-PIPELINING
250-SIZE
250-VRFY
250-ETRN
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN
mail from
op.snn@sumhap.com
250 2.1.0 Ok
mail to
op.snn@sumhap.com
503 5.5.1 Error: nested MAIL command
rcpt to:
pop.snn@sumhap.com
250 2.1.5 Ok
data
354 End data with <CR><LF>.<CR><LF>
test from telnet
.
250 2.0.0 Ok: queued as 6D16826F000D
quit
221 2.0.0 Bye
Connection closed by foreign host.
[root@sumhap postfix]# tailmail
Mar 17 20:45:44 sumhap postfix/trivial-rewrite[28250]: warning: do not list domain sumhap.com in BOTH virtual_mailbox_domains and relay_domains
Mar 17 20:45:44 sumhap postfix/smtp[28452]: 6D16826F000D: to=<pop.snn@sumhap.com>, relay=none, delay=230, delays=230/0.01/0.28/0, dsn=5.4.4, status=bounced (Host or domain name not found. Name service error for name=smtp type=A: Host not found)
Mar 17 20:45:44 sumhap postfix/cleanup[28447]: B527226F0011: message-id=<20120318004544.B527226F0011@localhost>
Mar 17 20:45:44 sumhap postfix/bounce[28453]: 6D16826F000D: sender non-delivery notification: B527226F0011
Mar 17 20:45:44 sumhap postfix/qmgr[12000]: B527226F0011: from=<>, size=2182, nrcpt=1 (queue active)
Mar 17 20:45:44 sumhap postfix/trivial-rewrite[28250]: warning: do not list domain sumhap.com in BOTH virtual_mailbox_domains and relay_domains
Mar 17 20:45:44 sumhap postfix/qmgr[12000]: 6D16826F000D: removed
Mar 17 20:45:44 sumhap postfix/smtp[28452]: B527226F0011: to=<pop.snn@sumhap.com>, relay=none, delay=0.01, delays=0.01/0/0/0, dsn=5.4.4, status=bounced (Host or domain name not found. Name service error for name=smtp type=A: Host not found)
Mar 17 20:45:44 sumhap postfix/qmgr[12000]: B527226F0011: removed
Mar 17 20:46:28 sumhap postfix/smtpd[28139]: disconnect from localhost.localdomain[127.0.0.1]