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1. Beomus :adm1::adm2: (beomus@shitposter.club)'s status on Monday, 18-Sep-2023 07:55:10 JST Beomus :adm1::adm2:

   Ladies and gentlemen, i present to you, Microsoft/Outlook blocklist S3140. This list blocks ALL NEW MAILSERVERS. ALL OF THEM. My personal mailserver can email gmail without issue, and yet microsoft says no.

   <[person i was trying to email]>: host outlook-com.olc.protection.outlook.com[104.47.59.161] said: 550 5.7.1 Unfortunately, messages from [my mailserver IP] weren't sent. Please contact your Internet service provider since part of their network is on our block list (S3140). You can also refer your provider to http://mail.live.com172.105.184.201/mail/troubleshooting.aspx#errors. [error code that might be user specific so i'm redacting it] (in reply to MAIL FROM command)