Sendmail problem
 

Hi All,

I am having Redhat Linux 7.1 with Sendmail version as 8.11.4.I am having a stable mailing system only the problem is on my smtp server which is on Linux only and details as given above.When i do mass mailing some of the message are not received by the receipent and after tracing the maillogs i see the error as given below.Can anybody tell me the solution on this and why does this happens.

Oct 20 16:32:13 corpsmtp1 sendmail[12561]: i9KB2Dm12561: Authentication-Warning: corpsmtp1.abc.com: mail set sender to sendername@abc.com using -f
Oct 20 16:32:13 corpsmtp1 sendmail[12561]: i9KB2Dm12561: from=name@abc.com , size=6078, class=0, nrcpts=1, msgid=<D6AA3051AC55A34CA9407EED798B85D929123E@exchange.abc.com>, relay=mail@localhost
Oct 20 16:33:13 corpsmtp1 sendmail[12563]: i9KB2Dm12561: to=receipentname@abc.com, ctladdr=sendername@abc.com (8/12), delay=00:01:00, xdelay=00:01:00, mailer=smtp, pri=36078, relay=[172.16.66.115] [172.16.66.115], dsn=4.0.0, stat=Deferred: Connection timed out with [172.16.66.115]
Oct 20 16:34:31 corpsmtp1 sendmail[13924]: i9KB2Dm12561: bogus queue file, uid=8, mode=100600
Oct 20 16:34:31 corpsmtp1 sendmail[13924]: i9KB2Dm12561: Losing ./qfi9KB2Dm12561: bogus file uid in mqueue

Please help me on this.

Rgds,