OT - Help with resulting error message

[Jethro R Binks]

On Wed, 3 Jun 2009, Steve Campbell wrote:

> 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

  http://lists.surbl.org/pipermail/discuss/2009-June/


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Jethro R Binks
Computing Officer, IT Services, University Of Strathclyde, Glasgow, UK