Authentication failed. No client certificate was sent.

[Kaliej]

Hi All,

I'm facing a issue and dont know how to solve it.

Emailaddress@bladibladic.com tries to sent a e-mail to xxx@zorgmail.nl
This e-mail gets bounced with the following error: Authentication failed. No client certificate was sent.

Final-Recipient: xxx@zorgmail.nl
Action: failed
Status: 5.7.1 (delivery not authorized)
Remote-MTA: dns;relay.zorgmail.nl (92.42.235.126)
Diagnostic-Code: smtp;554 5.7.1 <pm_bounces@pm-bounces.xxx: Sender address rejected: (21) Authentication failed. No client certificate was sent.
X-PowerMTA-BounceCategory: invalid-sender


Does anyone know how to help me?

 

[kjv1611]

What is the email provider? Most email providers now require a certain certificate/authorization that you have to configure, and I forget the name right now. I had to set it up for our office with Microsoft 365, for instance.

"But thanks be to God, which giveth us the victory through our Lord Jesus Christ." 1 Corinthians 15:57