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Mitel Forums => Aastra - MiVoice Office 400 and MiVoice MX-One => Topic started by: BMVOWA on February 11, 2021, 11:11:50 AM

Title: SMTP send error Unable to get issuer cert locally
Post by: BMVOWA on February 11, 2021, 11:11:50 AM

Hello,

I'm trying to set up Voicemail to eMail on our MiVoice Office 400 with Release 6.2. We are using office365.
My settings are
IP address / host name: smtp.office365.com
Transport:   TLS
Port: 587
Encrypted authentication only: activated

In Maintenance->System events->Event log-> I see the following error message

TLS server certificate: Validation failed - Service: SMTP (E-mail), PORT: 587, Reason: Unable to get issuer cert locally


The username and Password i verified with an eMail Program.

Any help or clue pointing to a solution is very appreciated.

Volker