Date: Wed, 10 Oct 2001 23:23:09 -0700 (PDT) From: "Jeremy C. Reed" <reed@reedmedia.net> To: freebsd-advocacy@FreeBSD.ORG Subject: RE: advocacy/31194: freebsd.org mailing lists - configuration problem? Message-ID: <Pine.LNX.4.21.0110102313540.3559-100000@pilchuck.reedmedia.net> In-Reply-To: <006301c15212$b17e06c0$1401a8c0@tedm.placo.com>
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On Wed, 10 Oct 2001, Ted Mittelstaedt wrote: > This is an excellent point. anti-spam rejects should always have error > codes starting with a 5 otherwise the sending server requeues and continues > to resend indefinitely, burning up your bandwidth. Not indefinitely. This is configurable by most (all?) mail servers; commonly, it is retried a few times a day for four days. On Wed, 10 Oct 2001, Kris Kennaway wrote: > On Wed, Oct 10, 2001 at 10:54:42AM -0700, Jeremy C. Reed wrote: > > It seems like the mail server should not return a temporary error. > This would be incredibly annoying in cases of transient DNS failure. > For example, suppose FreeBSD's DNS server broke, so no hostnames could > be resolved. None of the incoming mail would be re-sent, and it would > all be lost. But all will not be lost. The sender should receive a (bounce) message indicating the failure. You have a good point. I guess a 4xx is better than a 5xx. Either way the sender will eventually be told that the message failed (due to the bad HELO hostname). Jeremy C. Reed http://www.reedmedia.net/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-advocacy" in the body of the message
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