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Hi everyone, just a warning, so that you can get around this silly feature / nightmare with your customers losing trust in you as a serious hoster. Tonight, we did a planned Database cluster maintenance and upgrade. Everything went well and smoothly, but as planned, the application servers were...

Dear Plesk community, in order to make our Mailserver more secure and feature rich, we're using: - Plesk Premium Email (Kolab) - Plesk Email Security (Spamassassin + ClamAV) - Plesk Premium Antivirus (Dr. Web) Now since ClamAV doesn't even recognize simple Macro viruses in Word files, I had to...

Since the update, I get the error message below, when the SSL extension tries to auto-renew a certificate: Invalid response from https://acme-v02.api.letsencrypt.org/acme/authz-v3/12345. Details: Type: urn:ietf:params:acme:error:connection Status: 400 Detail: Fetching...

Hey everyone! 1) I'm having some trouble with my Kolab configuration. As I've tested a few things, I'm not sure anymore if a config file was set by me or the Kolab setup itself. In /etc/dovecot/conf.d, is the file "99-special-use-default.conf" meant to be there or did I include that by myself...

TITLE: Dovecot SNI not working with Plesk Premium Email Extension (Kolab/Guam) PRODUCT, VERSION, OPERATING SYSTEM, ARCHITECTURE: Version 18.0.21 Update #5, Debian 9.11 PROBLEM DESCRIPTION: When setting up SNI in the new Plesk Obsidian, certificate also configured for each domain's email...

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...