Hello folks,

Those people checking for valid MX records for a sender's domain from within MIMEdefang ... is anybody checking if a sender's one and only MX record is a fake MX tempfailing service? Has anyone ever seen this type of setup for legitimate e-mail?

For example:

# nslookup -type=MX babe.org
Server:         127.0.0.1
Address:        127.0.0.1#53

Non-authoritative answer:
babe.org        mail exchanger = 0 mx.fakemx.net.

TIA
-- Mike G.
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