From 582eb25eccedcdbff029947f777a111a9b7008af Mon Sep 17 00:00:00 2001 From: "Eric S. Raymond" Date: Tue, 14 Sep 1999 06:35:11 +0000 Subject: Duplicate suppression. svn path=/trunk/; revision=2553 --- fetchmail.man | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) (limited to 'fetchmail.man') diff --git a/fetchmail.man b/fetchmail.man index abf9c2d1..2c2ac746 100644 --- a/fetchmail.man +++ b/fetchmail.man @@ -870,8 +870,9 @@ code recognizes and discards the message on any of a list of responses that defaults to [571, 550, 501, 554] but can be set with the `antispam' option. This is one of the .I only -two circumstance under which fetchmail ever discards mail (the others -are the 552 and 553 errors described below). +three circumstance under which fetchmail ever discards mail (the others +are the 552 and 553 errors described below, and the suppression of +multidropped messages with a message-ID already seen). .PP If .I fetchmail @@ -1543,6 +1544,12 @@ poll mailhost.net via localhost port 1234 with proto pop3: Use the multiple-local-recipients feature with caution -- it can bite. Also note that all multidrop features are ineffective in ETRN mode. +Also, note that in multidrop mode duplicate mails are suppressed. +A piece of mail is considered duplicate if it has the same message-ID +as the message immediately preceding. Such runs of messages may +be generated when copies of a message addressed to multiple +users are delivered to a multidrop box. + .SS Header vs. Envelope addresses The fundamental problem is that by having your mailserver toss several peoples' mail in a single maildrop box, you may have thrown away -- cgit v1.2.3