Gitweb:
http://git.exim.org/exim.git/commitdiff/82b199b94da8ad79db922e34e2fc457eed4ad5ad
Commit: 82b199b94da8ad79db922e34e2fc457eed4ad5ad
Parent: 660242ad27370c2190afb53bc50efa949b06f5f0
Author: Phil Pennock <pdp@???>
AuthorDate: Mon Feb 21 00:55:44 2011 -0500
Committer: Phil Pennock <pdp@???>
CommitDate: Mon Feb 21 00:55:44 2011 -0500
maildir_tag hint provided by Heiko Schlittermann.
(and add .new/.wen to previous change).
---
doc/doc-docbook/spec.xfpt | 18 +++++++++++++++++-
1 files changed, 17 insertions(+), 1 deletions(-)
diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index 15f104d..34205b4 100644
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -11139,11 +11139,13 @@ routers, and transports run) the count is increased to include the
lines that are added by ACLs. The blank line that separates the message header
from the body is not counted.
+.new
As with the special case of &$message_size$&, during the expansion of the
appendfile transport's maildir_tag option in maildir format, the value of
&$message_linecount$& is the precise size of the number of newlines in the
file that has been written (minus one for the blank line between the
header and the body).
+.wen
Here is an example of the use of this variable in a DATA ACL:
.code
@@ -20190,6 +20192,7 @@ The regular expression should not assume that the length is at the end of the
file name (even though &%maildir_tag%& puts it there) because maildir MUAs
sometimes add other information onto the ends of message file names.
+Section &<<SECID136>>& contains further information.
.option quota_warn_message appendfile string&!! "see below"
@@ -20604,6 +20607,7 @@ tag is added to its name. However, if adding the tag takes the length of the
name to the point where the test &[stat()]& call fails with ENAMETOOLONG,
the tag is dropped and the maildir file is created with no tag.
+.new
.vindex "&$message_size$&"
Tags can be used to encode the size of files in their names; see
&%quota_size_regex%& above for an example. The expansion of &%maildir_tag%&
@@ -20613,8 +20617,20 @@ forced to fail, the tag is ignored, but a non-forced failure causes delivery to
be deferred. The expanded tag may contain any printing characters except &"/"&.
Non-printing characters in the string are ignored; if the resulting string is
empty, it is ignored. If it starts with an alphanumeric character, a leading
-colon is inserted.
+colon is inserted; this default has not proven to be the path that popular
+maildir implementations have chosen (but changing it in Exim would break
+backwards compatibility).
+For one common implementation, you might set:
+.code
+maildir_tag = ,S=${message_size}
+.endd
+but you should check the documentation of the other software to be sure.
+
+It is advisable to also set &%quota_size_regex%& when setting &%maildir_tag%&
+as this allows Exim to extract the size from your tag, instead of having to
+&[stat()]& each message file.
+.wen
.section "Using a maildirsize file" "SECID136"
