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My selfhosted mailcow (https://mailcow.email https://mailcow.email) instance blocked me from sending it (the SMTP server actually rejected it), and then blocked
by mynameisvlad 6y ago
My selfhosted mailcow (https://mailcow.email https://mailcow.email) instance blocked me from sending it (the SMTP server actually rejected it), and then blocked the one I sent from Gmail to it with 554 5.7.1 Gtube pattern. Didn't even show up in Spam.