Issue with sending an email - opinion needed

  • From: "Dan Crain" <DanC@xxxxxxxxxxxx>
  • To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
  • Date: Mon, 3 Oct 2005 11:36:49 -0400

I have a city we send email to, or try to and below is their solution. 
Is this a problem of mine or a problem of their Junk Mail server?
Dan Crain
From: Help Desk 
Sent: Thursday, June 09, 2005 1:24 PM
To: All Staff Distribution List (ASDL)
Subject: E-mail not being received

Some people are receiving complaints that they can not send the City
e-mail.  The majority of these issues are due to their mail server not
having what is called a "Reverse DNS entry" that matches their outgoing
e-mail server's "DNS entry." This is a technique used by spammers to try
and hide their identity, therefore the new spam server blocks them.
They can contact their Internet Service Provider (ISP) for more
information about setting up a "Reverse DNS entry" for their outgoing
mail server.  In addition (but not in place of) they can fax a copy of
the rejected e-mail showing the full headers (all the techno jargon at
the top of an e-mail before the From:, to:, and subject: lines) and we
can look to see if their outgoing mail server has a reverse DNS entry on
our part of the Internet.  Because this involves a configuration on
their end, there is nothing we can do to permit their e-mail from
entering our system with the spam blocker running


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