Changelog

v0.6.0 (in development)

Attachments’ filenames can now be None
Added a decompose() function for decomposing an EmailMessage into a MailItem plus headers
Added a decompose_simple() function for decomposing an EmailMessage into a text body, HTML body, attachments, and headers
The subject argument to the compose() function & method can now be None/omitted
If an address argument to compose() is set to an empty list, the corresponding header will no longer be present in the resulting e-mail
Gave Related a get_root() method

Using |, &, or ^ on a MailItem and a str now automatically converts the str to a TextBody
The from_ argument to the compose() function & method can now be None/omitted
format_addresses() has been moved to mailbits but is still re-exported from this library for the time being.
Breaking: All arguments to the compose() function & method are now keyword-only

Gave the from_file() classmethods inline and content_id arguments
Gave all classes optional content_id attributes
Added TextBody, HTMLBody, Alternative, Mixed, and Related classes for constructing complex e-mails

Gave BytesAttachment and FileAttachment each a from_file() classmethod
The from_ and reply_to arguments to compose() may now be passed lists of addresses
Support address groups
Added assemble_content_type(), format_addresses(), and reply_quote() utility functions
Added an EmailAttachment class

Initial release