Added Hectane to the Email section

README.md

@@ -304,6 +304,7 @@ Please take a quick gander at the [contribution guidelines](https://github.com/a
 * [email](https://github.com/jordan-wright/email) - A robust and flexible email library for Go.
 * [go-dkim](https://github.com/toorop/go-dkim) - A DKIM library, to sign & verify email.
 * [Gomail](https://github.com/go-gomail/gomail/) - Gomail is a very simple and powerful package to send emails.
+* [Hectane](https://github.com/hectane/hectane) - Lightweight SMTP client providing an HTTP API
 * [MailHog](https://github.com/mailhog/MailHog) - Email and SMTP testing with web and API interface
 * [SendGrid](https://github.com/sendgrid/sendgrid-go) - SendGrid's Go library for sending email
 * [smtp](https://github.com/mailhog/smtp) - SMTP server protocol state machine