We have a pair of RHEL 5.8 running commercial sendmail that a few hundred servers
in our environment use as relay (ie those few hundred servers are Smtp client sending
emails via this pair of sendmail relay servers)
We have been getting some emails recently with strange contents & we need to trace
which server is sending these emails.
Which sendmail log files do I need to check? Pls provide the filename of the log files &
folder holding them
Which specific message do I need to "grep" to identify which server is the smtp client
sending these emails : do I search for the subject heading of these emails or based
on dates/timings I receive these emails or ??
After narrowing down the server, how do I trace what in the server (with the Smtp
client) is sending the emails? Or do I check in the OS scheduler first?