>Don't try to ping his server, try to telnet his smtp port, many of us have
>got closed ping datagrams to avoid ping of death attacks (Now obsolete, no
>machine affected, but who knows).

yep

gw0# ping 202.36.110.48
PING 202.36.110.48 (202.36.110.48): 56 data bytes
36 bytes from 203.167.211.22: Communication prohibited by filter
Vr HL TOS  Len   ID Flg  off TTL Pro  cks      Src      Dst
  4  5  00 5400 b891   0 0000  e6  01 3d62 212.73.210.22  202.36.110.48

36 bytes from 203.167.211.22: Communication prohibited by filter
Vr HL TOS  Len   ID Flg  off TTL Pro  cks      Src      Dst
  4  5  00 5400 b8a9   0 0000  e6  01 3d4a 212.73.210.22  202.36.110.48



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