From: ritika laddha on
“Have two different situations on Solaris 10 servers on which am
trying to receive emails from other mail clients.

1) Server #1 : Emails sent out from my client ( MS Outlook on Windows
and Linux mail client ) do not seem to reach the targeted server.
a. Mails sent out using the hostname – testmail(a)hostname bounces back
with a dns error ( hostname of the target server intended to receive
the email )
b. Mails sent out using the ip address – testmail(a)10.10.10.10 doesn’t
bounce either, but doesn’t reach the server ( 10.10.10.10 is the
server intended to receive the email ) , Port 25 was snooped on this
server for incoming mail traffic and no packets detected. The mail
didn’t bounce as of this time ( more than 24 hours after mail was
sent )
2) Server #2 : Emails sent out reaches the server – port #25 detects
the packets and the mails are in queue ( mailq shows the emails in
queue ) , but the LDA never delivers the mails to the local solaris
mailbox .
LDA used here is /usr/lib/mail.local ( as read from /etc/mail/
sendmail.cf )

“