On 9 Feb 2018, at 18:49 (-0500), Carl Byington wrote:
> On Fri, 2018-02-09 at 14:56 -0700, Dave Warren via mailop wrote:
>> For those seeing this, is it hitting the same account more than once,
>> or just once per account?
> 3 or 4 AUTH attempts per second over port 25 for the same account. 50K+
> attempts over 8 hours. All with valid authentication, but no attempt to
> send mail.
To me that this smells of mis-using SMTP as an authentication backend. Badly.
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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