Revert "(refs #1939) catch ZEND_MAIL_PROTOCOL_EXCEPTION and throw sfException. (#1533)"
Revert "(refs #1939) catch ZEND_MAIL_PROTOCOL_EXCEPTION and throw sfException. (#1533)"

This reverts commit 17bf4980ffff897e58390e685a33fd20707bfdaa.

kawahara/opLiteMailTaskPlugin