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version 1.47, 2013/02/27 11:33:56 version 1.48, 2013/02/27 13:34:35
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 <p>  <p>
   
   <li>OpenSMTPD 5.3:
       <ul>
       <li>New features:
         <ul>
           <li>code is now considered stable and suitable for use in production.
           <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=smtpctl&amp;sektion=8">smtpctl(8)</a> <i>trace</i> supports runtime tracing of various components, including imsg exchanges, incoming and outgoing sessions, aliases expansion and much more,
           <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=smtpctl&amp;sektion=8">smtpctl(8)</a> <i>monitor</i> can now be used to monitor in real-time an instance of <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=smtpd&amp;sektion=8">smtpd(8)</a>.
           <li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=smtpctl&amp;sektion=8">smtpctl(8)</a> <i>show queue</i> now supports an "online" mode where the scheduler is queried instead of the disk-based queue to provide more accurate information.
           <li>virtual domains support has been reworked to simplify and bring support for new features like global catch-alls and shared user mappings.
           <li>new table API replaces the map API: better handling of transient errors, improved performances and a much better interface.
           <li>the transfer process may now select the source IP address to use as well as the HELO hostname to advertise from a table.
           <li>each listener may advertise a different banner hostname.
           <li>an alternate user database may be provided instead of relying on <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=getpwnam&amp;sektion=3">getpwnam(3)</a>.
           <li>users may now be authenticated using credentials from a table.
           <li>incoming sessions can be tagged, allowing for rules to only match envelopes that have been reinjected in the daemon after being passed to a proxy tool.
           <li>intermediate bounces are now sent at configurable rates.
           <li>rules can now check for a sender email address or domain.
           <li><b>experimental</b> (yet functionnal) support for aldap and sqlite as table backends.
         </ul>
   
   
       <li>Improvements:
         <ul>
           <li>improved logging format to make it both easier to read and parse.
           <li>improved memory use by scheduler, smtp, queue and transfer processes.
           <li>more reliable and efficient disk-based queue.
           <li>improved scheduler, dns and relaying logic that optimizes transfers.
           <li>simplified grammar for <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=smtpd.conf&amp;sektion=5">smtpd.conf(5)</a>
           <li>initial support for client and server SSL peer certificates validation.
           <li>SSL certificate tree is now isolated and network-facing processes request SSL information on-demand by imsg.
           <li>improved and simplified SMTP and MTA engines.
           <li>much improved performances on both incoming and outgoing code paths.
           <li>tons of cleanup and assorted minor bug fixes.
         </ul>
       </ul>
   <p>
   
 <li>Assorted improvements:  <li>Assorted improvements:
     <ul>      <ul>
     <li>Position-independent executables (PIE) are now used <b>by default</b> on alpha, amd64, hppa, landisk, loongson, sgi and sparc64.      <li>Position-independent executables (PIE) are now used <b>by default</b> on alpha, amd64, hppa, landisk, loongson, sgi and sparc64.
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