On 13 Mar 2018, at 23:35 (-0400), Bill Cole wrote:

OR: if you don't get any legitimate mail from Hunan, Chongqing, or Hong Kong you can probably safely block from talking at all to your SMTP port (or just the /13 to limit it to Hunan.)

OR: Use the Spamhaus ZEN DNSBL, which has the whole /12 listed via its PBL component.

Bill Cole
b...@scconsult.com or billc...@apache.org
(AKA @grumpybozo and many *@billmail.scconsult.com addresses)
Currently Seeking Steady Work: https://linkedin.com/in/billcole

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