Re: Pre-prompt data: dropped

Nicolas Hatier <[email protected]> Sat, 15 Oct 2016 08:49:59 -0400
Newsgroups gmane.mail.cgatepro.general
Message-ID <[email protected]>
I suppose you activated "Delay Prompt" in SMTP / Receiving.

CGP delays the SMTP prompt, and if it receives data before the prompt, 
it likely means the client is a rogue one which tries to dump its data 
as soon as possible. It's safe to assume it's spam, so CGP drops the 
whole conversation.

*Nicolas Hatier, ing.* <[email protected] 
<mailto:[email protected]>>
Niversoft idées logicielles - http://www.niversoft.com



On 2016-10-15 04:54, Gib Henry wrote:
> Is anyone else seeing a tsunami of these?
>
> 00:57:04.366 1 SMTPI-000228([180.222.157.66]:23988) dropping: got 
> pre-prompt data:
>
> I’ve seen these occasionally before, but now I’m getting dozens a day. 
> They’re coming from all over the place, lots of different IP 
> addresses, some of which repeat 2-5 times a day. I suppose they’re 
> harmless, but…?  Cheers,
> -- 
> Gib Henry
>
>