Added support for headers, bcc, and attachments to send_mail, send_html_mail, send_mass_mail, mail_admins, and mail_managers functions. Also added priority to send_mass_email, mail_admins, and mail_managers.
Added support for headers, bcc, and attachments to send_mail, send_html_mail, send_mass_mail, mail_admins, and mail_managers functions. Also added priority to send_mass_email, mail_admins, and mail_managers.

bltravis/django-mailer,hushwings/django-mailer