Fatal error: tls_start_servertls() failed

Hi All, I am running cyrus-imapd-2.4.17 on CentOS 7.2.1511 for appx. 20 mailboxes. I get the following messages every 10-12 days. imaps TLS negotiation failed: [ip address of a client] Fatal error: tls_start_servertls() failed Although cyrus-imapd, saslauthd are still running after this

Advise needed for new mail server

Hello, I have been successfully using postfix+cyrus-imapd (2.4.17) for our small company for years on our local server. The emails are now accounting to a size of some 160GB. As we are having power and internet problems quite often, I rented a VPS from a world renowned hosting company and