Interaction between greylisting and persistent host status

John R Levine
Mon Nov 17 21:31:24 UTC 2003

> The persistent host status feature is extremely useful to
> streamline queue processing on a large mail server.

Yes.  qmail has a global host status table that does just what you say, it
keeps it from wasting time trying to contact hosts that have recently been
observed not to answer.

> The other question is:  Is the SMTP temporary failure response
> a server property or a recipient property?

Wouldn't that depend on when the response happens?  If it's in response to
RCPT TO, it's the receipient.  Any other time, its's the server.

John Levine,, Primary Perpetrator of "The Internet for Dummies",
Information Superhighwayman wanna-be,, Sewer Commissioner
"I dropped the toothpaste", said Tom, crestfallenly.

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