Today one of our Phuket customers asked us to investigate an email problem. They receive emails from two other Phuket companies with up to 17-hours delay. All other emails were received on time. After we checked the mail headers we saw what these two companies were sending through TT&T Maxnet SMTP server.

Excerpt (emails and some IPs changed to protect identities, times highlighted):

Received: from testing-out01.tttmaxnet.com ([202.69.137.169] helo=tttmaxnetpps.tttmaxnet.com)
by forever.phuketsolution.com with esmtp (Exim 4.69)
(envelope-from <xxx@yyy.com>)
id 1LxVlv-0000b1-O5
for aaa@bbb.com; Sat, 25 Apr 2009 07:29:38 +0700
Received: from pps.filterd (tttmaxnetpps [127.0.0.1])
by tttmaxnetpps.tttmaxnet.com (8.14.3/8.14.3) with SMTP id n3O6nxUE028614
for <aaa@bbb.com>; Fri, 24 Apr 2009 13:53:01 +0700
Received: from smtp-out01.tttmaxnet.com (smtp-out01.tttmaxnet.com [202.69.137.228])
by tttmaxnetpps.tttmaxnet.com with ESMTP id dtkmu0949-2
for <aaa@bbb.com>; Fri, 24 Apr 2009 13:53:01 +0700
Received: from aaa.bbb.ccc-ddd.dynamic.tttmaxnet.com (HELO MAIL) ([aaa.bbb.ccc.ddd])
by smtp.tttmaxnet.com with SMTP; 24 Apr 2009 13:53:00 +0700

If you experienced similar delays with TT&T Maxnet please let us know.

The proper solution for companies is to use the SMTP server from their hosting provider. Please feel free to contact us if you want to know how to set it up.

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