greylisting and particular MTA mail scheduling

Aleksander Dzierzanowski
Thu Jan 15 11:57:34 UTC 2004


my question is about scheduling temporary mail defer by most popular MTA.
How often and after what time period specified MTA retries delivery
after 451 temporary error ? And how default defer time (270 seconds) was
get ?  I'm also interested in all kind of statistics about possible mail
delays when greylisting is turned into production.

Best regards
Aleksander Dzierzanowski
  Wirtualna Polska SA

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