From 8e4400dd9871f9043819b3fe50326ab47af96cfc Mon Sep 17 00:00:00 2001 From: "Eric S. Raymond" Date: Tue, 17 Oct 2000 21:52:38 +0000 Subject: Version bump. svn path=/trunk/; revision=2979 --- fetchmail-FAQ.html | 26 ++++++++++++++++++++++++-- 1 file changed, 24 insertions(+), 2 deletions(-) (limited to 'fetchmail-FAQ.html') diff --git a/fetchmail-FAQ.html b/fetchmail-FAQ.html index d4fe8bc0..18599d6d 100644 --- a/fetchmail-FAQ.html +++ b/fetchmail-FAQ.html @@ -10,7 +10,7 @@
Back to Fetchmail Home Page To Site Map -$Date: 2000/10/08 14:34:19 $ +$Date: 2000/10/17 21:52:38 $

Frequently Asked Questions About Fetchmail

@@ -138,6 +138,7 @@ my Received headers as it should.
X4. My mail is being mangled in a new and different way.
X5. Using POP3, retrievals seems to be fetching too much!
X6. My mail attachments are being dropped or mangled.
+X7. Some mail attachments are hanging fetchmail.

Other problems:

@@ -2712,6 +2713,27 @@ of Sun-formatted messages: don't use mailtool for sending attachments understand its attachments, so it really shouldn't be used at all), and make sure dtmail is set to use MIME rather than mailtool's format.

+

+

X7. Some mail attachments are hanging fetchmail.

+ +This isn't fetchmail's problem either; fetchmail doesn't know anything +about mail attachments and doesn't treat them any differently from +plain message data.

+ +The most usual cause of this problem seems to be bugs in your network +transport layer's capability to handle the very large TCP/IP packets +that attachments tend to turn into. You can test this theory by trying to +download the offending message through a webmail account; using HTTP +for the message tends to simulate large-packet stress rather well, and +you will probably find that the messages that seem to be choking +fetchmail will make your HTTP download speed drop to zero.

+ +This problem can be caused by subtle bugs in the packet-reassembly +layer of your TCP/IP stack; these often don't manifest at normal +packet sizes. It may also be caused by malfunctioning path-MTU +discovery on the mailserver. Or, if there's a modem in the link, +it may be because the attachment contains the Hayes mode escape "+++". +

O1. The --logfile option doesn't work if the logfile doesn't exist.

@@ -2919,7 +2941,7 @@ install Linux on your server...

Back to Fetchmail Home Page To Site Map -$Date: 2000/10/08 14:34:19 $ +$Date: 2000/10/17 21:52:38 $

Eric S. Raymond <esr@snark.thyrsus.com>
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