OT - Help with resulting error message

[Glenn Steen]

2009/6/3 Steve Campbell <campbell at cnpapers.com>:
>
>
> Glenn Steen wrote:
>>
>> 2009/6/3 Steve Campbell <campbell at cnpapers.com>:
>>
>>>
>>> One of our users is trying to email users at a particular domain and is
>>> receiving the following error message back from them:
>>>
>>> (reason: 550 5.7.1 rejected content, black listed twitter.com by
>>> multi.surbl.org #762 #895 (l51Ehj043192426600))
>>>
>>> I asked if he was posting through twitter, and he said he was not. I
>>> checked
>>> SURBL and our IPs are not listed. So I'm confused(as always) by what this
>>> is
>>> telling me. He does have a reference to his twitter stuff in his
>>> signature.
>>> Do any of the SURBL lists really block content?
>>>
>>> A good explanation would be helpful. Thanks much
>>>
>>> Steve Campbell
>>>
>>>
>>
>> Are you sure he used your servers to send that? Not gmail or somesuch?
>> If he sent it through your servers, you should be able to find some
>> log entries on your box(es)... Might shed some light on things:-)
>>
>>
>
> Pretty sure. The log entry for one of the emails just states that the
> "stat=Service unavailable", which is likely the result of the 550.
>
> Thanks Glenn
>
Yeah, just read up on this nasty thing. Really bad:(

Cheers
-- 
-- Glenn
email: glenn < dot > steen < at > gmail < dot > com
work: glenn < dot > steen < at > ap1 < dot > se