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wmlutz

@wmlutz

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Outbound SMTP (Transactional Email) Stopped Working - Invalid login: 535 Authentication failed
Watching Ignoring Scheduled Pinned Locked Moved Solved Support mailgun smtp relay
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@wmlutz said in Outbound SMTP (Transactional Email) Stopped Working - Invalid login: 535 Authentication failed: @jdaviescoates got it! It was the IP allowlist. Glad to be of assistance @wmlutz said in Outbound SMTP (Transactional Email) Stopped Working - Invalid login: 535 Authentication failed: mailgun's transactional email cost which is cents/mo. I don't think I've ever paid anything yet as I've not yet gone over the 1000 free messages a month or whatever it is...

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wmlutz

Topics

Outbound SMTP (Transactional Email) Stopped Working - Invalid login: 535 Authentication failed