SwiftMailer v4.2.2 Release Notes
Release Date: 2012-10-25 // over 11 years ago-
- added the possibility to throttle messages per second in ThrottlerPlugin (mostly for Amazon SES)
- switched mime.qpcontentencoder to automatically use the PHP native encoder on PHP 5.4.7+
- allowed specifying a whitelist with regular expressions in RedirectingPlugin