More logs in my mail server, not the one where horde is:
mail.log.2:Sep 17 13:02:03 mymailserver postfix/smtp[7196]: 92481216C7:
to=<mdratcl...@hotmail.com>, relay=mx4.hotmail.com[65.55.92.152]:25,
delay=2.2, delays=0.13/0.2/0.5/1.4, dsn=2.0.0, status=sent (250
<20120917130155.horde.rgb1fev4cn9qv0lzuz0n...@myhordeserver.xxx.xxx>
Queued mail for delivery)
mail.log.2:Sep 17 13:02:03 mymailserver postfix/smtp[7196]: 92481216C7:
to=<a2zg...@hotmail.com>, relay=mx4.hotmail.com[65.55.92.152]:25,
delay=2.2, delays=0.13/0.2/0.5/1.4, dsn=2.0.0, status=sent (250
<20120917130155.horde.rgb1fev4cn9qv0lzuz0n...@myhordeserver.xxx.xxx>
Queued mail for delivery)
mail.log.2:Sep 17 13:02:03 mymailserver postfix/smtp[7196]: 92481216C7:
to=<craigspec...@hotmail.com>, relay=mx4.hotmail.com[65.55.92.152]:25,
delay=2.2, delays=0.13/0.2/0.5/1.4, dsn=2.0.0, status=sent (250
<20120917130155.horde.rgb1fev4cn9qv0lzuz0n...@myhordeserver.xxx.xxx>
Queued mail for delivery)
mail.log.2:Sep 17 13:02:03 mymailserver postfix/smtp[7196]: 92481216C7:
to=<gwen.l...@hotmail.com>, relay=mx4.hotmail.com[65.55.92.152]:25,
delay=2.2, delays=0.13/0.2/0.5/1.4, dsn=2.0.0, status=sent (250
<20120917130155.horde.rgb1fev4cn9qv0lzuz0n...@myhordeserver.xxx.xxx>
Queued mail for delivery)
mail.log.2:Sep 17 13:02:08 mymailserver postfix/smtp[7193]: 92481216C7:
to=<buckle...@msn.com>, relay=mx4.hotmail.com[65.55.92.136]:25,
delay=6.8,
delays=0.13/2.5/0.74/3.4, dsn=2.0.0, status=sent (250
<20120917130155.horde.rgb1fev4cn9qv0lzuz0n...@myhordeserver.xxx.xxx>
Queued mail for delivery)
mail.log.2:Sep 17 13:02:08 mymailserver postfix/smtp[7193]: 92481216C7:
to=<halj...@msn.com>, relay=mx4.hotmail.com[65.55.92.136]:25, delay=6.8,
delays=0.13/2.5/0.74/3.4, dsn=2.0.0, status=sent (250
<20120917130155.horde.rgb1fev4cn9qv0lzuz0n...@myhordeserver.xxx.xxx>
Queued mail for delivery)
mail.log.2:Sep 17 13:02:08 mymailserver postfix/smtp[7193]: 92481216C7:
to=<james.taylo...@msn.com>, relay=mx4.hotmail.com[65.55.92.136]:25,
delay=6.8, delays=0.13/2.5/0.74/3.4, dsn=2.0.0, status=sent (250
<20120917130155.horde.rgb1fev4cn9qv0lzuz0n...@myhordeserver.xxx.xxx>
Queued mail for delivery)
mail.log.2:Sep 17 13:02:08 mymailserver postfix/smtp[7193]: 92481216C7:
to=<jimmy...@msn.com>, relay=mx4.hotmail.com[65.55.92.136]:25, delay=6.8,
delays=0.13/2.5/0.74/3.4, dsn=2.0.0, status=sent (250
<20120917130155.horde.rgb1fev4cn9qv0lzuz0n...@myhordeserver.xxx.xxx>
Queued mail for delivery)
mail.log.2:Sep 17 13:02:08 mymailserver postfix/smtp[7193]: 92481216C7:
to=<lgtk...@msn.com>, relay=mx4.hotmail.com[65.55.92.136]:25, delay=6.8,
delays=0.13/2.5/0.74/3.4, dsn=2.0.0, status=sent (250
<20120917130155.horde.rgb1fev4cn9qv0lzuz0n...@myhordeserver.xxx.xxx>
Queued mail for delivery)
mail.log.2:Sep 17 13:02:08 mymailserver postfix/smtp[7193]: 92481216C7:
to=<mard...@msn.com>, relay=mx4.hotmail.com[65.55.92.136]:25, delay=6.8,
delays=0.13/2.5/0.74/3.4, dsn=2.0.0, status=sent (250
<20120917130155.horde.rgb1fev4cn9qv0lzuz0n...@myhordeserver.xxx.xxx>
Queued mail for delivery)
mail.log.2:Sep 17 13:02:08 mymailserver postfix/smtp[7193]: 92481216C7:
to=<sswins...@msn.com>, relay=mx4.hotmail.com[65.55.92.136]:25,
delay=6.8,
delays=0.13/2.5/0.74/3.4, dsn=2.0.0, status=sent (250
<20120917130155.horde.rgb1fev4cn9qv0lzuz0n...@myhordeserver.xxx.xxx>
Queued mail for delivery)