Thursday, July 21, 2016, 12:20:17 PM, you wrote: > Thursday, July 21, 2016, 2:03:15 AM, you wrote:
>>> The error messages is clear, but where do I find the certificate so >>> that I can see what is actually in there? >> try this: >> go to Options/S/MIME and TLS... and set Microsoft CryptoAPI. > Thanks for the suggestion. Now the error message in the > account log is different: > !21/07/2016, 12:11:05: SEND - TLS handshake failure. Invalid > server certificate. The certificate or certificate chain is based on an > untrusted root. I contacted the hosting provider and let a Teamviewer session happen, but sending with TB for this PLESK hosting doesn't work unless TLS is disabled at the server. The technician suggested either buy a certificate or use Thunderbird. Why would Thunderbird work, but not The Bat? I have left it with TLS disabled at the server for the time being. Adrian ________________________________________________ Current version is 7.1 | 'Using TBUDL' information: http://www.silverstones.com/thebat/TBUDLInfo.html