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OBS-URL: https://build.opensuse.org/package/show/server:mail/postfix?expand=0&rev=34
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Peter Varkoly 2010-03-01 09:18:21 +00:00 committed by Git OBS Bridge
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Sun Feb 28 18:38:18 UTC 2010 - varkoly@novell.com Sun Feb 28 18:38:18 UTC 2010 - varkoly@novell.com
- update to 2.7.0 - update to 2.7.0
* performance * performance
[Feature 20100101] Periodic cache cleanup for the verify(8) cache - Periodic cache cleanup for the verify(8) cache database.
database. The time between cache cleanup runs is controlled with - Improved before-queue filter performance.
the address_verify_cache_cleanup_interval (default: 12h) parameter.
Cache cleanup increases the database access latency, so this should
not be run more often than necessary.
[Feature 20091109] Improved before-queue filter performance. With
"smtpd_proxy_options = speed_adjust", the Postfix SMTP server
receives the entire message before it connects to a before-queue
content filter. This means you can run more SMTP server processes
with the same number of running content filter processes, and thus,
handle more mail. This feature is off by default until it is proven
to create no new problems.
This addresses a concern of people in Europe who want to reject all
bad mail with a before-queue filter. The alternative, an after-queue
filter, means they would have to discard bad mail (which is illegal)
or bounce bad mail (which violates good network citizenship).
NOTE 1: When this feature is turned on, a filter cannot selectively
reject recipients of a multi-recipient message. It is OK to reject
all recipients of the same multi-recipient message, as is deferring
or accepting all recipients of the same multi-recipient message.
NOTE 2: This feature increases the minimum amount of free queue
space by $message_size_limit. The extra space is needed to save the
message to a temporary file.
To keep the performance overhead low, the same temporary file is
reused with successive mail transactions (the file is of course
truncated before reuse, so there is no information leakage).
* sender reputation * sender reputation
[Feature 20100117] The FILTER action in access maps or header/body_checks - The FILTER action in access maps or header/body_checks now supports sender
now supports sender reputation schemes that dynamically choose the reputation schemes that dynamically choose the SMTP source IP address.
SMTP source IP address. Typically, mail is split into classes, and
all mail in class X is sent out from an SMTP client IP address that
is reserved for class X.
This is implemented by specifying FILTER actions with empty next-hop
destinations in access maps or header/body_checks, and by configuring
in master.cf one Postfix SMTP client for each SMTP source IP address,
where each client has its own "-o myhostname" and "-o smtp_bind_address"
settings.
[Feature 20091209] sender_dependent_default_transport_maps, a
per-sender override for default_transport. The original motivation
is to use different output channels (with different source IP
addresses) for different sender addresses, in order to keep their
IP-based reputations separate from each other.
The result value syntax is that of default_transport, not transport_maps.
Thus, sender_dependent_default_transport_maps does not support the
special transport_maps result value syntax for null transport, null
nexthop, or null email address.
This feature makes sender_dependent_relayhost_maps pretty much
redundant (though sender_dependent_relayhost_maps will often be
easier to use because that is the only thing people want to override).
* address verification * address verification
[Incompat 20100101] The verify(8) service now uses a persistent - The verify(8) service now uses a persistent cache by default.
cache by default (address_verify_map = btree:$data_directory/verify_cache).
To disable, specify "address_verify_map =" in main.cf.
When periodic cache cleanup is enabled (the default), the verify(8)
server now requires that the cache database supports the "delete"
and "sequence" operations. To disable periodic cache cleanup specify
a zero address_verify_cache_cleanup_interval value.
[Feature 20100101] Periodic cache cleanup for the verify(8) cache
database. The time between cache cleanup runs is controlled with
the address_verify_cache_cleanup_interval (default: 12h) parameter.
Cache cleanup increases the database access latency, so this should
not be run more often than necessary.
* content filter * content filter
[Incompat 20100117] The meaning of an empty filter next-hop destination - The meaning of an empty filter next-hop destination has changed.
has changed (for example, "content_filter = foo:" or "FILTER foo:"). - The FILTER action in access maps or header/body_checks now supports sender
Postfix now uses the recipient domain, instead of using $myhostname reputation schemes that dynamically choose the SMTP source IP address.
as in Postfix 2.6 and earlier. To restore the old behavior specify
"default_filter_nexthop = $myhostname", or specify a non-empty
next-hop content filter destination.
This compatibility option is not needed with SMTP-based content
filters, because these always have an explicit next-hop destination.
With pipe-based filters that specify no next-hop destination, the
compatibility option restores the FIFO order of deliveries. Without
the compatibility option, the delivery order for filters without
next-hop destination changes to round-robin domain selection.
[Feature 20100117] The FILTER action in access maps or header/body_checks
now supports sender reputation schemes that dynamically choose the
SMTP source IP address. Typically, mail is split into classes, and
all mail in class X is sent out from an SMTP client IP address that
is reserved for class X.
This is implemented by specifying FILTER actions with empty next-hop
destinations in access maps or header/body_checks, and by configuring
in master.cf one Postfix SMTP client for each SMTP source IP address,
where each client has its own "-o myhostname" and "-o smtp_bind_address"
settings.
[Feature 20091109] Improved before-queue filter performance. With
"smtpd_proxy_options = speed_adjust", the Postfix SMTP server
receives the entire message before it connects to a before-queue
content filter. This means you can run more SMTP server processes
with the same number of running content filter processes, and thus,
handle more mail. This feature is off by default until it is proven
to create no new problems.
This addresses a concern of people in Europe who want to reject all
bad mail with a before-queue filter. The alternative, an after-queue
filter, means they would have to discard bad mail (which is illegal)
or bounce bad mail (which violates good network citizenship).
NOTE 1: When this feature is turned on, a filter cannot selectively
reject recipients of a multi-recipient message. It is OK to reject
all recipients of the same multi-recipient message, as is deferring
or accepting all recipients of the same multi-recipient message.
NOTE 2: This feature increases the minimum amount of free queue
space by $message_size_limit. The extra space is needed to save the
message to a temporary file.
To keep the performance overhead low, the same temporary file is
reused with successive mail transactions (the file is of course
truncated before reuse, so there is no information leakage).
* milter * milter
[Feature 20090606] Support for header checks on Milter-generated - Support for header checks on Milter-generated message headers.
message headers. This can be used, for example, to control mail Please read /usr/share/doc/packages/postfix/RELEASE_NOTES for details.
flow with Milter-generated headers that carry indicators for badness
or goodness. For details, see the postconf(5) section for
"milter_header_checks". Currently, all header_checks features are
implemented except PREPEND.
* multi-instance support
[Incompat 20090606] The "postmulti -e destroy" command no longer
attempts to remove files that are created AFTER "postmulti -e
create". It still works as expected immediately after creating an
instance by mistake. Trying to automatically remove other files
is too risky because Postfix-owned directories are by design not
trusted.
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Thu Feb 11 15:16:13 UTC 2010 - coolo@novell.com Thu Feb 11 15:16:13 UTC 2010 - coolo@novell.com