Ля-ля-ля..

[dil]

route: 83.242.128.0/17
descr: MTU-Inform Network
origin: AS31338
mnt-lower: MTU-INFORM-MNT
mnt-routes: MTU-INFORM-MNT
mnt-by: MTU-INFORM-MNT
remarks: ------------------------------------------------
remarks: Please send abuse reports to abuse@mtu-inform.ru
remarks: ------------------------------------------------
source: RIPE # Filtered

----- The following addresses had permanent fatal errors -----

(reason: 550 5.1.1 User unknown)

----- Transcript of session follows -----
... while talking to mx0.mtu-inform.ru.:

>>>>>> DATA

<<< 550 5.1.1 User unknown
550 5.1.1 ... User unknown

<<< 503 5.5.2 Need Rcpt command.

Ну и чего? Всю /17 в блэклист или как?