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Postfix Archives: Re: 4xx vs 5xx for spam rejects

Re: 4xx vs 5xx for spam rejects


Subject: Re: 4xx vs 5xx for spam rejects
From: Wietse Venema (wietseporcupine.org)
Date: Mon Dec 20 1999 - 09:02:46 CST


Ralf Hildebrandt:
> On Mon, Dec 20, 1999 at 08:55:28AM -0500, Wietse Venema wrote:
>
> > On the other hand, I've found that insisting on DNS confirmation
> > for client hostname and HELO parameters loses too much of my mail.
>
> Really? I tend to get this kind of stuff:

[stuff]

It does stop a lot of junk mail, and I wish I could use it to keep
out the garbage from clueless spammers/spamware.

Unfortuately, it blocks too much of my legitimate mail as well.

        Wietse



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