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Why have a secondary of you are going to just blacklist everything<br>
from it? Why not save the power and just have one MX then?<br>
<br>
BB wrote:<br>
<span style="white-space: pre;">> I think some do. I have a
secondary MX record for a domain hosted<br>
> by my ISP. Legitimate traffic really should never be delivered
to<br>
> this server when the primary waited zero server is up.<br>
><br>
> Looks to me all mail coming from this secondary is spam. Think
the<br>
> spammers hope the backup relay does not filter for spam, which<br>
> appears to be true. And then the primary accepts all from the<br>
> secondary.<br>
><br>
> I blacklist all mail from this secondary.<br>
><br>
> Been doing this for three years without any problems.<br>
><br>
> Your issue might also be related to DNS.<br>
><br>
> On 4/27/06, * Michael Masse* <<a class="moz-txt-link-abbreviated" href="mailto:mrm@medicine.wisc.edu">mrm@medicine.wisc.edu</a><br>
> <a class="moz-txt-link-rfc2396E" href="mailto:mrm@medicine.wisc.edu"><mailto:mrm@medicine.wisc.edu></a>> wrote:<br>
><br>
> I'm offloading just Mailscanner services from an overloaded<br>
> email store<br>
> machine to a new machine and am doing so by pointing the MX<br>
> 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<br>
> the new<br>
> system like it's supposed to and it then gets relayed to the
old<br>
> 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<br>
> 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<br>
> itself out<br>
> over a few days?<br>
><br>
> Mike<br>
> --<br>
> MailScanner mailing list<br>
> <a class="moz-txt-link-abbreviated" href="mailto:mailscanner@lists.mailscanner.info">mailscanner@lists.mailscanner.info</a><br>
> <a class="moz-txt-link-rfc2396E" href="mailto:mailscanner@lists.mailscanner.info"><mailto:mailscanner@lists.mailscanner.info></a><br>
> <a class="moz-txt-link-freetext" href="http://lists.mailscanner.info/mailman/listinfo/mailscanner">http://lists.mailscanner.info/mailman/listinfo/mailscanner</a><br>
><br>
> Before posting, read <a class="moz-txt-link-freetext" href="http://wiki.mailscanner.info/posting">http://wiki.mailscanner.info/posting</a><br>
><br>
> Support MailScanner development - buy the book off the
website!<br>
><br>
><br>
><br>
> -- <br>
> This message has been scanned for viruses and<br>
> dangerous content by *MailScanner*
<a class="moz-txt-link-rfc2396E" href="http://www.mailscanner.info/"><http://www.mailscanner.info/></a>,<br>
> and is<br>
> believed to be clean. </span><br>
<br>
- -- <br>
Thanks Chris<br>
<br>
Check me out!<br>
Finally setup a MySpace.com account <a class="moz-txt-link-freetext" href="http://www.osubucks.net">http://www.osubucks.net</a><br>
<br>
<a class="moz-txt-link-abbreviated" href="mailto:csweeney@osubucks.org">csweeney@osubucks.org</a><br>
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