Setting up ASSP, Postfix with SMTP auth for a remote server
ASSP Postfix SaslAuthd http://www.andybev.com/index.php/SMTP_authentication_and_Postfix http://gogs.info/books/debian-mail/chunked/postfix.sasl.html https://stackoverflow.com/questions/43931621/not-able-to-authenticate-smtp-clients-on-debianpostfixsasl-with-rimap