On 2026-02-25 21:24, postfix--- via mailop wrote:
I see in this thread that some of you have diverted "higher quality" traffic to servers/IP from where you usually send "lower quality" mails. Think again: who/what defines the relevant quality?
I believe you have misinterpreted this point; it's **Microsoft** taking this action: https://learn.microsoft.com/en-us/defender-office-365/outbound-spam-high-risk-delivery-pool-about
> To prevent our IP addresses from being blocked, all outbound messages from Microsoft 365 datacenter servers that are determined to be spam are sent through the high-risk delivery pool.
M. -- Michael Brown Civilized Discourse Construction Kit, Inc. https://www.discourse.org/ _______________________________________________ mailop mailing list [email protected] https://list.mailop.org/listinfo/mailop
