Michael Brown why dont you look at home, looking at your SPF records, you have well known spamming services in it, you have IP ranges with no PTR's you have IP ranges with DYNAMIC CABLE ranges that will be 550'd by most places, and are in a few blocklists, including spamhaus.
*All you morons are doing is driving people from biggish players away, because you think this list is your own private fucking backdoor to technical staff, if you have an ounce of matter in your brain, you'd know any of us who speak on this list do so at our choice and never speak officially for any employers.* Wake up to yourselves, because one day you will really need help and it may not be forthcoming in a timely manor ,when you treat people like this. On Sat, Feb 21, 2026 at 1:47 PM Michael Brown via mailop <[email protected]> wrote: > On 2026-02-20 17:01, Michael Wise via mailop wrote: > > It’s throttling. > Slow down your deliveries. > > S3150 is what you get when you don't slow down after seeing 4xx. 😊 > > (I've just now (well, reading all the recent messages) seen Michael has a > Microsoft email address). > > Assuming this information is100% accurate, how exactly is this advice > supposed to be acted upon in a practical manner? > > The advice to slow down delivery seems only appropriate to a bulk email > sender, especially for companies who send out hundreds of thousands or > millions of emails for a campaign. A campaigner's job is to get those > queued mails delivered as fast as possible and their systems are going to > be tailed for this specific job, so they *might* actually be watching for > 4xx messages to tune their delivery rate. > > For *everybody else on the planet*, this is an unreasonable expectation. > > Slow down? This isn't a fixed-size delivery, this is a bucket that never > empties. > > In our case the email we are sending out is *transactional*; signups, > password resets, activity notifications. We're fielding daily complaints > from people trying to sign up for for sites that we host and not receiving > confirmation emails. > > The frustration I experience myself and see in others is no doubt borne > out of Microsoft's unwillingness to engage or act in a way that is, from an > outside view, sensible and reasonable. We're also left holding the bag when > people complain, because if Microsoft blocks our IPs its obviously our > fault, right? > > I refuse to accept that, nor should others. > > Michael > > -- > Michael Brown > Civilized Discourse Construction Kit, Inc.https://www.discourse.org/ > > _______________________________________________ > mailop mailing list > [email protected] > https://list.mailop.org/listinfo/mailop >
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