This library allows to compose and send rich emails (textual contents, HTML documents, alternative contents, attachments etc., this is very extensible). Email can be sent with sendmail or SMTP. The SMTP layer supports TLS and PLAIN, LOGIN and CRAM-MD5 authentications. In a near future, this library will also allow to receive and parse emails.
This is a companion discussion topic for the original entry at https://hoa-project.net/En/Literature/Hack/Mail.html