Tutanota rend le service mail gratuit et sécurisé simple
MailHog is an email testing tool for developers:
a script that makes it easy to scan an IMAP inbox for spam using SpamAssassin and get your spam moved to another folder.
IMAP mail filtering utility
Mail et services collaboratifs respectueux de la vie privée
Domain Message Authentication Reporting & Conformance
Check SPF, MX, PTR records and RFC compliance
SPF Generator DNS tool
Building HTML emails
Check HTML email compatibility
Anti-spam IMAP distant / déporté
free disposable email addresses, spam blocker
Thunderbird extension to import vcard