Whoever is doing that rumplestiltskin attack is persistant and annoying:
May 12 04:29:37 mail sendmail[895]: g4C3TWA00895: tcpwrappers (rlkal1a046.comtech-data.se, 194.198.208.46) rejection
May 12 04:55:13 mail sendmail[1055]: g4C3t8A01055: tcpwrappers (rlkal1a046.comtech-data.se, 194.198.208.46) rejection
May 12 05:20:56 mail sendmail[1220]: g4C4KpA01220: tcpwrappers (rlkal1a046.comtech-data.se, 194.198.208.46) rejection
May 12 05:46:35 mail sendmail[1391]: g4C4kUA01391: tcpwrappers (rlkal1a046.comtech-data.se, 194.198.208.46) rejection
May 12 06:12:16 mail sendmail[1557]: g4C5CBA01557: tcpwrappers (rlkal1a046.comtech-data.se, 194.198.208.46) rejection
May 12 06:38:04 mail sendmail[1746]: g4C5bxA01746: tcpwrappers (rlkal1a046.comtech-data.se, 194.198.208.46) rejection
May 12 07:03:56 mail sendmail[1870]: g4C63pA01870: tcpwrappers (rlkal1a046.comtech-data.se, 194.198.208.46) rejection
May 12 07:29:50 mail sendmail[2042]: g4C6TjA02042: tcpwrappers (rlkal1a046.comtech-data.se, 194.198.208.46) rejection
May 12 07:55:30 mail sendmail[2163]: g4C6tPA02163: tcpwrappers (rlkal1a046.comtech-data.se, 194.198.208.46) rejection
May 12 08:21:10 mail sendmail[2365]: g4C7L5A02365: tcpwrappers (rlkal1a046.comtech-data.se, 194.198.208.46) rejection
May 12 08:46:52 mail sendmail[2486]: g4C7klA02486: tcpwrappers (rlkal1a046.comtech-data.se, 194.198.208.46) rejection
May 12 09:12:49 mail sendmail[2695]: g4C8CfA02695: tcpwrappers (rlkal1a046.comtech-data.se, 194.198.208.46) rejection
May 12 09:38:34 mail sendmail[2840]: g4C8cTA02840: tcpwrappers (rlkal1a046.comtech-data.se, 194.198.208.46) rejection
May 12 10:04:29 mail sendmail[2965]: g4C94OA02965: tcpwrappers (rlkal1a046.comtech-data.se, 194.198.208.46) rejection