Slowly but surely IPv4 63.141.225.90 kee ... / 2013-12-17

2013-12-17 Slowly but surely IPv4 63.141.225.90 kee ... 5 years ago
Slowly but surely IPv4 63.141.225.90 keeps trying authenticated smtp on one server. The connection is kept open and there is 4 minutes between each attempt, probably to avoid detection. Searching for the IPv4 address gives multiple sites listing it for smtp auth attempts.

And the server doesn't need username/password based smtp authentication anyway, so I disabled all the mechanisms. In sendmail.mc format:
TRUST_AUTH_MECH(`')dnl
define(`confAUTH_MECHANISMS', `')dnl

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, reachable as koos+website@idefix.net. PGP encrypted e-mail preferred.

PGP key 5BA9 368B E6F3 34E4 local copy PGP key 5BA9 368B E6F3 34E4 via keyservers pgp key statistics for 0x5BA9368BE6F334E4 Koos van den Hout
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Other webprojects: Camp Wireless, wireless Internet access at campsites, The Virtual Bookcase, book reviews
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