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Knowledge base Error: "535 5.7.0 authentication failed"

Error: "535 5.7.0 authentication failed"

The email authentication service on our servers may exceptionally encounter a problem for a few short seconds during unusual events within our infrastructure.

If a "535 5.7.0 authentication failed" error occurs, try sending the email again and it should work.

If the problem continues, please check the following points: https://faq.infomaniak.com/2218

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