sni

I've been investing some serious hours to get Postfix/Dovecot working with SNI certifiactes and the Plesk Premium Email Extension (Kolab) now. However, echo | openssl s_client -connect localhost:993 -servername xyz.com will keep returning the global server's mail certificate, not dovecot's...

This morning I could not send mail from some accounts, Thunderbird said the certificate has expired. Problem: When selecting "SSL/TLS certificate for mail" in the mail settings of an individual domain, the certificate for Postfix for that domain is stored by Plesk in...

Looking at the Plesk documentation. It states that a dedicated IP address is not needed for every website that uses a Let's Ecrypt SSL. (SSL and Shared IP Addresses) I am running on Ubuntu 18.04. I assume there is no issue with this version. The issue I am having, is once the SSL is assigned...

I am still having some troubles with certificates on the domains I have on my dedicated server. I have read that SNI must be enabled on the server for assigning an SSL certificate to a website hosted on a shared IP address, otherwise the server will associate that certificate with all other...

I´d like to use a wildcard SSL Certificate to secure my main domain and some of its subdomains (with Plesk v12.5.30 for linux). E. g. maindomain.tld mail.maindomain.tld (used for smtp / imap) webmail.maindomain.tld (used for online mail interface) While having only one IP adress for all...