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by WarOnPrivacy 903 days ago
> Outlook/Hotmail blocks DigitalOcean.

Microsoft blocking a mail server and DO being blocked aren't necessarily the same thing.

I service a number of MS accounts (hosted domain and O/H/live.com) and they block mail from small servers I manage - and from (non-major) online services I work with. There are forums frequent that send verification mails to MS addys that never arrive.

Past that: My last time blocking mail server attacks from DO IPs is today. It's always today and has been years and years. Not just DO. OVH, Psychz and a at least doz more attack with that consistency.

[edit: Post below mentions DO SMTP changes in 2022. DO is still attacky but less attacky is possible. Not sure.]

And not that far behind, Amazon. Amazon is a lot harder because unlike the above, I regularly get legit traffic from them.