Forum Discussion

Copper Contributor

Apr 03, 2022

Exchange Online Connector

I've created a connector from Microsoft 365 to our local (cPanel) email server. When I enter an email address on the cPanel/local server, validation fails because Exchange cannot send a test email th...

exchange

office 365

Victor_Ivanidze

Bronze Contributor

Apr 05, 2022

Could you show the error message?

patlaw
Copper Contributor
Apr 08, 2022
Victor_Ivanidze

"Validation failed"
- Victor_Ivanidze
  Bronze Contributor
  Apr 09, 2022
  There is more detailed info.
  - Spiros Karampinis
    Brass Contributor
    Apr 10, 2022
    Please share the whole error message, I assume the validation between the two hosts is not possible. Check if you like the validation way - Is it based on certification? Is that valid? Could you try with a public IP address or even without TLS for test purposes so we can slowly isolate the issue?
    
    Kind regards
    SpiKar