I would like to find TLS SNI (RFC 6066) integrated in Cyrus-IMAPd

As a small ISP i need to serve several virtual domains on my Cyrus-IMAPd 3.0 
installation.

Example:
The clients should be able to use either 
    mail.company1.com
    mail.company2.net
as server names with STARTTLS and SSL connections.

To make clear and avoid the ten years old discussions:
* "Multiple IP" or "Multiple Port" solutions seems not useful for an easy 
configuration of independend customers
* "One certificate with multiple domains" (SAN ) seems not useful for 
independent customers

I would like to find TLS SNI (RFC 6066) integrated in Cyrus-IMAPd

SNI is mentioned in the 3.0.10 "cyrus-imapd/imap/tls.c" source code but i have 
no idea how to use it.

I need at least a possibility to configure more than one crt/key-file-pair 
depending on the sent server name within a single service.

BTW: TLS/SNI is integrated in Postfix since Postfix 3.4

Best regards
Carsten Jenner
 









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