SwiftMailer v6.1.0 Release Notes
Release Date: 2018-07-02 // almost 6 years ago-
- added address encoder exceptions during send
- added support for bubbling up authenticator error messages
- added support for non-ASCII email addresses
- introduced new dependencies: transport.smtphandlers and transport.authhandlers
- deprecated Swift_Signers_OpenDKIMSigner; use Swift_Signers_DKIMSigner instead
- added support for SMTP pipelining
- added Swift_Transport_Esmtp_EightBitMimeHandler
- fixed startTLS only allowed tls1.0, now allowed: tls1.0, tls1.1, tls1.2