Hi List,

Can I get a sanity check please?  Am seeing 50-60 of these a day:

Out: 220 fortirwin.blackhorselabs.net ESMTP Postfix
In:  AUTH TLS
Out: 503 5.5.1 Error: send HELO/EHLO first

Is that a mis-config on my part (very possible) or just a random
scanner?  The AUTH TLS lines are coming from a single provider - which
I won't name and shame here.

Thanks all,

-Gordon

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