You can reach out to the iCloud postmaster team if you face any FP blocks related to this or any other filter used on iCloud mail. https://support.apple.com/en-us/HT204137
--srs From: mailop <mailop-boun...@mailop.org> on behalf of Henrik Pang via mailop <mailop@mailop.org> Date: Wednesday, 14 September 2022 at 4:36 PM To: Christopher Hawker <ch...@thesysadmin.dev> Cc: mailop@mailop.org <mailop@mailop.org> Subject: Re: [mailop] Proofpoint Mail Blocking I was seeing iCloud uses proofpoint as the RBL which blocks a lot of normal IPs. On Wed, Sep 14, 2022 at 3:51 PM Christopher Hawker via mailop <mailop@mailop.org<mailto:mailop@mailop.org>> wrote: Hello all, If anyone from Proofpoint is on-list, could they please reach out to me off-list (chris at thesysadmin dot dev) regarding issues with mail flow through their network? Thanks, Christopher Hawker _______________________________________________ mailop mailing list mailop@mailop.org<mailto:mailop@mailop.org> https://list.mailop.org/listinfo/mailop
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