Wow, Outlook actually tells you they blocked you? My email (custom gmail domain btw) just ends up in the Spam folder of outlook clients with no notification at all.
That's a different issue. You're usually not notified of spam designations, but bounces (where the mail server completely refuses to accept your email) do usually receive a notification. If you're designated as both (for example if you keep sending email that bounces) you'll get blackholed and wont receive any bounce notification either.
When I used to self-host my emails, GMail would "accept" mails then drop them. Microsoft was kind enough to tell me they dropped them but getting out of the blacklists was a pain.
An advantage of landing in spam is that the user still has a choice and is in control. Rejecting outright is a "lalalala I can't hear youu!!" type of stupid situation that only big providers can get away with, without the users realizing their bigcorp is the one with delivery issues
Another useful tool is https://www.learndmarc.com/ -- I found the presentation very helpful when I was finally getting on the DMARC train a while back.
I self host. Over the years, I've had both situations with outlook. I've tried many things.
As it happens, I noticed my mails have gone through just fine in the last months, at least to companies using Microsoft services without me doing anything specific, after I threw the towel with Outlook. I did switch VPS providers almost a year ago, though to a provider that I expect to be more filtered (ovh).
delusional|2 years ago
Sayrus|2 years ago
lucb1e|2 years ago
BSDobelix|2 years ago
https://www.mail-tester.com/
Pathogen-David|2 years ago
TomK32|2 years ago
jraph|2 years ago
As it happens, I noticed my mails have gone through just fine in the last months, at least to companies using Microsoft services without me doing anything specific, after I threw the towel with Outlook. I did switch VPS providers almost a year ago, though to a provider that I expect to be more filtered (ovh).