OT - Help with resulting error message

[Glenn Steen]

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:-)

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