Hi, We run a shared mail security platform, serving thousands of customers.
One of our customers decided to shut off certain outbound spam detection features (We have subsequently forced the configuration back on) A mailbox of theirs was compromised and they sent out around 5000 new spam mails before our detection kicked in, but now we are experiencing issues delivering to yahoo and aol. 22:21:52.214 RX: <421 4.7.0 [TSS04] Messages from 204.13.200.29 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.verizonmedia.com/error-codes> The source addresses are in the range 204.13.200.0/23 How can we request a lifing of this ban? Many thanks. Regards, Graeme Slogrove Sr. Director, Product Engineering m: +64 21.277.0844 [cid:[email protected]] www.trustwave.com<http://www.trustwave.com/> Recognized by industry analysts as a leader in managed security services<https://www.trustwave.com/Company/About-Us/Accolades/>. This transmission may contain information that is privileged, confidential, and/or exempt from disclosure under applicable law. If you are not the intended recipient, you are hereby notified that any disclosure, copying, distribution, or use of the information contained herein (including any reliance thereon) is STRICTLY PROHIBITED. If you received this transmission in error, please immediately contact the sender and destroy the material in its entirety, whether in electronic or hard copy format.
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