[Mailman-Users] Has anyone actually implemented Postfix address verification for their sites?

[Harold Paulson]

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Brad,

On May 7, 2006, at 10:46 AM, Brad Knowles wrote:

> Folks,
>
> 	I'm curious to know -- Postfix has this address verification
> feature, which is kind of like greylisting.  Basically, before a
> message from a given envelope sender will be accepted, the system has
> to get a confirmation that the registered MXes for that envelope
> sender domain will at least appear to accept messages for that sender.

I use SAV on a smallish server, with a map so it's only invoked for 
oft-spoofed domains (aol, hotmail, etc) with compliant mail servers.  I 
don't want it to end up dueling with someone else's greylister.  It's 
near the end of my check list and really doesn't get much use.

	- H



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