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SMTP timeouts (postfix, clamav-milter, cyrus-sasl)

So I had the problem that for some reason I couldn'T send emails anymore ..

How to add a DNS responce-policy zone to Univention Corporate Server (UCS)

So to avoid having to add (more) pinhole NAT or similar I was looking into adding a responce-policy zone to UCS. Looking around for a while I did not find a way to do this with the admin interfaces or ucr.

nftables routing .. working now ;)

So I was thinking of replacing my iptables stuff with nftables .. so what better chance to use than a new server in a seperate network segment - hardware wise, and a different subnet.

Python network "scanner"

So i wanted to know what hosts in my network are up and what are their mac addresses.

Quodlibet .. an even more awesome music player than I had thought :)

So I was getting annoyed with my music player as I was having the "problem" of having my songs in ogg, mp3 and flac usually (i like to rip in those 3 formats for various reasons). But of course with 3 formats  of the same songs in each directory every player that can play all of them will show each song 3 times .. which is very annoying if you just want to play an album .. so I thought about how to do this and first tried to just use the ratings to rate all of the .ogg higher or soo.. works but is super annoying..

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