Scott Fan 36c9601b78 Added SMTP_CA_ENABLED, SMTP_CA_PATH and SMTP_CA_FILE configuration options.
Without ca_path or ca_file, custom CA certs are not taken into account during the
SMTP SSL/TLS handshake. Since the SMTP email configuration allows the use of CApath
and CAfile for OpenSSL, it should be allowed to set these parameters.

See also:
fa9c1464bc

Signed-off-by: Scott Fan <fancp2007@gmail.com>
2015-08-08 13:56:22 +08:00
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