Hello,

>> Whilst I have thought about extending the supported commands to include
>> RSET, NOOP and VRFY I have not made a business case for it at the moment.
>>
>> As such you have me totally stumped as to what could be sending that RSET :(
>
> Maybe a transparent SMTP proxy or virus scanner in the path?

This is really strange! The protocol was done with wireshark while our application (only using libcurl) is trying to send an email. The customers say there is no additional software installed on that machine. I'mperplexed...

Can you give me more tips on things to look for?

Best,

Volker
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Received on 2013-03-08