Please fill out the fields below so we can help you better. Note: you must provide your domain name to get help. Domain names for issued certificates are all made public in Certificate Transparency logs (e.g. https://crt.sh/?q=example.com), so withholding your domain name here does not increase secrecy, but only makes it harder for us to provide help.
My domain is:
I ran this command:
I tried to add an account in Thunderbird (V91.3.1 (64-bit) on Ubuntu Desktop V21.10
It produced this output:
See attached
My web server is (include version):
Apache2
The operating system my web server runs on is (include version):
Ubuntu (latest) LTS Server
My hosting provider, if applicable, is:
Self managed virtual
I can login to a root shell on my machine (yes or no, or I don't know):
Yes
I'm using a control panel to manage my site (no, or provide the name and version of the control panel):
No
The version of my client is (e.g. output of certbot --version or certbot-auto --version if you're using Certbot):
certbot 1.22.0
The following two commands don't seem to produce any errors (as far as I can tell)
openssl s_client -showcerts -connect imap.zudiewiener.com:993 -servername imap.zudiewiener.com
openssl s_client -starttls smtp -showcerts -connect smtp.zudiewiener.com:587 -servername smtp.zudiewiener.com
Thanks
