Please contact me off list Thanks
On Mon, Mar 28, 2022 at 6:50 PM Graeme Slogrove via mailop < [email protected]> wrote: > We are actively using the new IP ranges as published a few weeks ago, > everything seemed fine until this morning > > > > Server refused mail at MAIL FROM - 553 5.3.0 flpd577 DNSBL:RBL 521< > 52.165.84.32 >_is_blocked.For assistance forward this error to > [email protected] > > > > The ranges again are > > > > 52.165.84.32/28 > > 52.165.84.16/28 > > 20.81.235.112/28 > > 20.81.235.96/28 > > > > Anyone from AT&T that I can contact to escalate this block, as it’s > affecting customers. > > > > Regards, > > > > *Graeme Slogrove * > > Sr. Director, Product Engineering > > m: +64 21.277.0844 > > > > > > www.trustwave.com > <https://urldefense.com/v3/__http://www.trustwave.com/__;!!Op6eflyXZCqGR5I!QpAqAp03PN19i7bxuiPAKbBAHyRs5uyOC5pTEet_ju03UUCCiHJn4I9aNSNYo5d6dev0$> > > > > *Recognized by industry analysts as a **leader in managed security > services > <https://urldefense.com/v3/__https://www.trustwave.com/Company/About-Us/Accolades/__;!!Op6eflyXZCqGR5I!QpAqAp03PN19i7bxuiPAKbBAHyRs5uyOC5pTEet_ju03UUCCiHJn4I9aNSNYo4FaWSth$>.* > > > Email secured by Trustwave advanced threat protection. Learn more at > https://trus.tw/mailmarshal > > <https://urldefense.com/v3/__https://trus.tw/mailmarshal__;!!Op6eflyXZCqGR5I!QpAqAp03PN19i7bxuiPAKbBAHyRs5uyOC5pTEet_ju03UUCCiHJn4I9aNSNYo9pahv9R$> > This transmission may contain information that is privileged, > confidential, and/or exempt from disclosure under applicable law. If you > are not the intended recipient, you are hereby notified that any > disclosure, copying, distribution, or use of the information contained > herein (including any reliance thereon) is STRICTLY PROHIBITED. If you > received this transmission in error, please immediately contact the sender > and destroy the material in its entirety, whether in electronic or hard > copy format. > _______________________________________________ > mailop mailing list > [email protected] > > https://urldefense.com/v3/__https://list.mailop.org/listinfo/mailop__;!!Op6eflyXZCqGR5I!QpAqAp03PN19i7bxuiPAKbBAHyRs5uyOC5pTEet_ju03UUCCiHJn4I9aNSNYow86nmPB$ > -- Lili Crowley she/her Postmaster
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