Am 08.01.2013 17:48, schrieb Wietse Venema: > Rafael Azevedo - IAGENTE: >>> Instead, Postfix tries to deliver a DIFFERENT message. It would be >>> incorrect IN THE GENERAL CASE to postpone ALL deliveries to a site >>> just because FIVE recipients were unavailable. >> >> Thats why it would be interesting to have a way to configure that. > > Configurable, perhaps. But it would a mistake to make this the > default strategy. > > That would make Postfix vulnerable to a trivial denial of service > attack where one bad recipient can block all mail for all other > recipients at that same site. > > Imagine if I could block all mail for gmail.com in this manner. > > If I understand correctly, your proposal is to treat all 4xx and > 5xx delivery errors the same as a failure to connect error.
as i understand his proposal is if deliver to a configureable amount of RCPT's with the same destination server delay also the following targets with the same destination x minutes instead trigger another 100,200,300 4xx errors because the destination does not like mail from your IP for some time
signature.asc
Description: OpenPGP digital signature
