Szerző: Suresh Ramasubramanian Dátum: Címzett: Christian Vogel CC: Derrick, exim-users Tárgy: Re: [Exim] Is this something of note?
Christian Vogel writes on 12/16/2003 3:22 AM:
> Hi,
>
> On Mon, Dec 15, 2003 at 11:19:32PM -0800, Derrick wrote:
>
>>2003-12-15 14:35:47 SMTP protocol violation: synchronization error (next
>
> (...)
>
>>and SMTP protocol violation errors
>
>
> spammers don't care about the more subtle things in the SMTP
> protocol (or rather: all about it). You can ignore it.
Actually no. Someone who sends you a HELO and then tries to pipeline to
you can be safely tarpitted. And that does help slow down or chase away
broken smtp clients (99% of which appear to be spamware)