include email address in cert
In order to identify spammers we need to have one SMTP Cert per email address. Use the email address as the common name of the certificate. This way the provider can detect which user account was used for spamming.
(from redmine: created on 2014-05-09, closed on 2014-05-29)
- Relations:
- relates #4283 (closed)
- parent #4282 (closed)