Subject: Re:

From: Wendell Nicolas <[email-masked]>
Date: Fri, 11 Aug 2017 09:53:21 -0700

HELO

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From: Stefan Buhrmester <[email-masked]>
Date: Sat, 12 Aug 2017 02:41:23 +0900

Hi :)

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From: Ted Lemon <[email-masked]>
Date: Fri, 11 Aug 2017 13:45:55 -0400

> Hi :) 

I think you mean:

501 5.5.4 Empty HELO/EHLO argument not allowed, closing connection.