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Add support for specifying DNSTimeout (bumps required dkimpy version to 1.0)

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Scott Kitterman
2020-01-03 16:14:08 -05:00
parent 042005b38d
commit 8a2760531b
8 changed files with 65 additions and 8 deletions
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man/dkimpy-milter.conf.5
+27
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@@ -358,6 +358,12 @@ consulting the DNS on each message. This is useful primarily for
testing purposes in environments where it is awkward to modify the
system DNS resolution. It should not be used in production.
.TP
.I DNSTimeout (integer)
Sets the DNS timeout in seconds. A value of 0 causes no wait (this is
different than opendkim). The default is 5. See also the NOTES section
below.
.TP
.I PeerList (dataset)
Identifies a set of "peers" that identifies clients whose connections
@@ -511,6 +517,27 @@ unless an alternate
.I group
is specified.
.SH NOTES
When using DNS timeouts (see the
.I DNSTimeout
option above), be sure not to use a timeout that is larger than the timeout
being used for interaction between
.I sendmail
and the filter. Otherwise, the MTA could abort a message while waiting for
a reply from the filter, which in turn is still waiting for a DNS reply. This
must take into accout that the timeout is per DNS lookup so the total DNS wait
time may be subustantially loner than the value specified in
.I DNSTimeout
\. There is a DNS lookup for each connection if the
.I InternalHosts
option is in use and one for DKIM public key record lookup for each algorithm
per signature per message (i.e. potentially two lookups per signature).
.SH FILES
.TP
.I /usr/local/etc/dkimpy-milter/dkimpy-milter.conf
Default location of this file.
.SH "AUTHORS"
\ddkimpy-milter\fR was written by Scott Kitterman <scott@kitterman.com>.
It is based on dkim-milter.py Copyright (c) 2001-2013 Business Management Systems, Inc.
man/dkimpy-milter.conf.5.in
+27
View File
@@ -358,6 +358,12 @@ consulting the DNS on each message. This is useful primarily for
testing purposes in environments where it is awkward to modify the
system DNS resolution. It should not be used in production.
.TP
.I DNSTimeout (integer)
Sets the DNS timeout in seconds. A value of 0 causes no wait (this is
different than opendkim). The default is 5. See also the NOTES section
below.
.TP
.I PeerList (dataset)
Identifies a set of "peers" that identifies clients whose connections
@@ -511,6 +517,27 @@ unless an alternate
.I group
is specified.
.SH NOTES
When using DNS timeouts (see the
.I DNSTimeout
option above), be sure not to use a timeout that is larger than the timeout
being used for interaction between
.I sendmail
and the filter. Otherwise, the MTA could abort a message while waiting for
a reply from the filter, which in turn is still waiting for a DNS reply. This
must take into accout that the timeout is per DNS lookup so the total DNS wait
time may be subustantially loner than the value specified in
.I DNSTimeout
\. There is a DNS lookup for each connection if the
.I InternalHosts
option is in use and one for DKIM public key record lookup for each algorithm
per signature per message (i.e. potentially two lookups per signature).
.SH FILES
.TP
.I @CONFDIR@/dkimpy-milter.conf
Default location of this file.
.SH "AUTHORS"
\ddkimpy-milter\fR was written by Scott Kitterman <scott@kitterman.com>.
It is based on dkim-milter.py Copyright (c) 2001-2013 Business Management Systems, Inc.