Tom and I emailed off list, thanks all!! *Lili Crowley*
she/her Postmaster <http://www.yahoo.com/> On Tue, Mar 5, 2024 at 6:23 PM Thomas Johnson via mailop <mailop@mailop.org> wrote: > Hello everyone- > > We had an incident where a trusted connection from Microsoft had a nice > large dump of spam - it appears that several of their customers were > compromised. > > We've stopped it, and we're sure it's not going to happen again, but yahoo > has listed our IP address blocks with a dreaded "553 5.7.2 [TSS09] All > messages from X.X.X.X will be permanently deferred; Retrying will NOT > succeed. See https://postmaster.yahooinc.com/error-codes"; > > I've filed a help request at senders.yahooinc.com, but I'd love if anyone > has a contact at yahoo that could help. We've got a lot of schools that > have parents with yahoo email addresses, and we really want to get things > cleared up with them as quickly as possible. > > Thanks- > > Tom > > _______________________________________________ > mailop mailing list > mailop@mailop.org > > https://urldefense.com/v3/__https://list.mailop.org/listinfo/mailop__;!!Op6eflyXZCqGR5I!EuaJU-gBDiIa4o8OyLIWwE4HsEbsSKYQb7ULGhTFvkv9NwGlKA7xd45VbFOErhc1h4Kj1W_bpb4ST5lpx6M$ >
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