> From: Bill Sommerfeld > Substantially similar capabilities are present in all of the SMTP > MTA's I'm familiar with. If a message delivery attempt is rejected > early, only envelope information is logged, but if the message was > rejected in error, that's generally sufficient to identify what needs > to be whitelisted. Yes, but after you've had them, you find that facilities that log the fewest few dozen KBytes of SMTP bodies are very valuable. SMTP envelope logs are unitelligible to most users, not only because they are terse but because the SMTP envelope is a mystery to the fewer users that know about it. Delaying filter rejections until the SMTP DATA command and so capturing the message body resolves a lot of complaints of the form "Why did your idiotic spam filter reject that perfectly good mail message?" That can significantly reduce whitelisting requirements. Logging bodies involve some obvious privacy hassles. You must keep the logs private. The logs can have only censored copies of the envelope so that recipients can't know who else was sent the same message. Vernon Schryver vjs@xxxxxxxxxxxx _______________________________________________ Ietf@xxxxxxxx https://www1.ietf.org/mailman/listinfo/ietf