>>>>> "Roger" == Roger Fajman <[log in to unmask]> writes: Roger> One difference is that qmail apparently always sends a separate Roger> copy of a message to each recipient and may open up many Roger> connections in parallel to do this. yes it does this. Roger> for faster delivery in common cases, it might bite you if you Roger> have a mailing list (as we do) with hundreds or thousands of Roger> subscribers on a small number of hosts. bite whom? the sending site or the receiving site? Roger> Also, I don't think that qmail generates bounces in the Internet Roger> DSN format that can be automatically interpreted by LISTSERV. this is a non-issue. the largest source of bounces for any well know list is aol. e.g. From: [log in to unmask] Subject: Returned Mail: Undeliverable To: [log in to unmask] The mail you sent could not be delivered to: 550 [log in to unmask] is not a known user 550 [log in to unmask] is not a known user 550 [log in to unmask] is not a known user 550 [log in to unmask] is not a known user 552 [log in to unmask] has a full mailbox 550 [log in to unmask] is not a known user 550 [log in to unmask] is not a known user 550 [log in to unmask] is not a known user 550 [log in to unmask] is not a known user The text you sent follows: qmail does two things listserv admins like -- 1) it has wildcard address so probing works and 2) it's trivial* to fix gross things like the aol bounce above. the same script that rewrites the aol bounce to dsn also converts qmail's qsbmf format. *well some formats like aol's are easy to do. some are a lot harder so we don't bother. -- paul [log in to unmask] |public keys at: | http://urth.acsu.Buffalo.EDU/~pjg/key.html if the above contains opinions they are mine unless marked otherwise.