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Exchange 2019 - The remote certificate is invalid according to the validation procedure
Hi guys, I`m starting with Exchange and already facing an issue regarding SMTP Service. I have an app that needs to relay SMTP through my Exhange 2019. A receive connector has been created, ...
The error message you're encountering indicates that the certificate used by the SMTP server is not trusted by your client, causing the Send-MailMessage command to fail.
Certificate SMTP use must only one.