Postmaster 'best practices' query

Tue Oct 23 18:29:31 UTC 2001

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> The Host Requirements RFC also says, I believe, that you are to
> respond to PING -- try that with www.microsoft.com.  My point is,
> it appears that the Host Requirements RFC seems to be "interpreted"
> in the real world.  Lots of sites seem to not implement postmaster.

My pet peeve is "501 bogus mail from" in response to "mail from:<>", as
required by RFC1123.  This just fills up my double-bounce mailbox with other
people's bounces, and deprives senders of notification of delivery failures.
So I stopped accepting mail from domains that refuse their own bounces.

Ipswitch Imail is usually the culprit, with the "refuse null sender"
mis-feature.

- ---
"The avalanche has already begun.  It is too late for the pebbles to vote" -
Kosh

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