email v4.0.0

Changelog

• [Breaking Change] SendWithTLS now sends emails via a direct TLS connection. If you want the behavior that leverages STARTTLS, you should use SendWithStartTLS (#68, #87)
• Added Reply-To header (#68)
• Added support for encoding non-ASCII text in email headers (#83, #115)
• Added support for mime/related attachments via the HTMLRelated property on Attachments (#93)
• NewEmailFromReader now supports attachments (#89)

Other minor bug fixes and improvements. The full changelog can be found here.