tried it:
grey2:~# telnet localhost 25
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
220 grey2.fade2grey.xxx.de ESMTP Postfix
helo localhost
250 grey2.fade2grey.xxx.de
mail from:
bb@xxx.de
250 2.1.0 Ok
rcpt to:
bb@xxx.de
250 2.1.5 Ok
rset
250 2.0.0 Ok
quit
221 2.0.0 Bye
Connection closed by foreign host.
I can't see no problems here.
Most other mailservers work fine, I only know of two mis-behaving. For a start I whistlisted them, but thats of course no solution for not know delivery failures...
Many Thx
JD