OT: extraordinary amount of spam to one domain
jeff.mills at sydneytech.com.au
Wed Dec 23 07:54:52 GMT 2009
> Yes, use recipient verification. It makes a massive
> difference to the load levels on your MS box. We set it up
> and it saves so much hassle. Why accept mail that you can't
> deliver or that will just be bounced with a NDR creating more
> spam in the system?
> Postfix uses the addresses in your transports file to check
> servers for addresses and you can configure how often it
> checks or keeps valid/non-valid addresses in its cache.
> Currently use a btree file for verifications.
> After looking at the link Steve posted then for configuring
> it further look at... http://www.postfix.org/verify.8.html
Did not realise that we could cache the recipient verification.
Have enabled it now and will keep an eye on it for a while, but looks to
be doing the goods at the moment.
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