troubleshooting Question

550 5.7.1. Message rejected because of RBL policy (state 13)

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edhastedFlag for United Kingdom of Great Britain and Northern Ireland asked on
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11 Comments1 Solution8256 ViewsLast Modified:
Very occassionaly senders to our e-mail domain get this message. Recently we have had it from GoogleMail.com and Yahoo.com. We calculate that 99.9998% of the rest of the mail gets through.

If I test our IP against

http://www.anti-abuse.org/multi-rbl-check-results/?host=A.B.C.D

we get a completely clean bill of health.

Any ideas what I need to test next and if I need to contact Google or Yahoo how do I do so?

Many thanks as always.

p.s. I put this under Outlook as couldn't see in the new structure where to put an Internet e-mail delivery problem. This might need reclassifying.
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