1. Its hosted by the ISP and doesn't cost anything<br>2. Its a great filter rule<br><br><div><span class="gmail_quote">On 4/27/06, <b class="gmail_sendername"><a href="mailto:cobalt-users1@fishnet.co.uk">cobalt-users1@fishnet.co.uk
</a></b> <<a href="mailto:cobalt-users1@fishnet.co.uk">cobalt-users1@fishnet.co.uk</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
On 27 Apr 2006 at 8:30, Michael Masse wrote:<br><br>> I'm offloading just Mailscanner services from an overloaded email store<br>> machine to a new machine and am doing so by pointing the MX record for<br>> the domain to the new machine. The A ptr still points to the old
<br>> system so that none of the other services this machine provides get<br>> interupted. All legitimate email and most spam is going to the new<br>> system like it's supposed to and it then gets relayed to the old store
<br>> machine, but I'm noticing quite a bit of spam is still being sent<br>> directly to the old system. Does some spam software ignore the MX<br>> ptr and go to the A ptr instead, or is this more likely to be a DNS
<br>> cache issue on the sending systems that will hopefully clear itself out<br>> over a few days?<br><br>Hi,<br><br>Its not just spammers but bad programmers as well. Several years ago I noticed that behaviour<br>
in some Windows email systems. It may have been fixed now.<br><br>I never put an A record in for domain unless there is a very good reason.<br><br>Ian<br>--<br>-------------------------------------------------------------
<br>Ian Gibbons<br>Fish.Net Ltd Providing Internet Solutions<br><a href="http://www.fishnet.co.uk">http://www.fishnet.co.uk</a> e-mail <a href="mailto:IanGibbons@fishnet.co.uk">IanGibbons@fishnet.co.uk
</a><br>Tel +44 (0)1457 819600 Fax +44 (0)1457 819602<br>-------------------------------------------------------------<br><br>--<br>MailScanner mailing list<br><a href="mailto:mailscanner@lists.mailscanner.info">
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