Author: Juha Saarinen
Date:
To: Andy Firman
CC: exim-users
Subject: Re: [Exim] rejected HELO ... syntactically invalid argument(s)
Andy Firman wrote:
> rejected HELO from [200.118.112.12]: syntactically invalid argument(s): IBM_A31
> rejected HELO from [200.118.112.12]: syntactically invalid argument(s): IBM_A31
> rejected HELO from [200.118.112.12]: syntactically invalid argument(s): IBM_A31
> rejected HELO from [200.118.112.12]: syntactically invalid argument(s): IBM_A31
> rejected HELO from [200.118.112.12]: syntactically invalid argument(s): IBM_A31
>
> I found this on Google:
> http://www.senderbase.org/search?searchBy=ipaddress&searchString=200.118.112.12
>
> What exactly is happening here?
>
> Virus infected machine or massive spammer?
Could be both:
http://cbl.abuseat.org/lookup.cgi?ip=200.118.112.12
But, it's the underscore in "IBM_A31" causing Exim to reject the HELO.
--
Juha
