List of mua header formats
The following pages defines the headers added to each message by the mail user agent:
- Apple Mail Header Format
- Eudora Header Format
- Evolution Header Format
- Gmail Header Format
- GMX Header Format
- Horde IMP Header Format
- Hotmail Header Format
- iPhone Mail Header Format
- Microsoft Mail Header Format
- Mutt Header Format
- Open WebMail Header Format
- Outlook Header Format
- Outlook Express Header Format
- Pine Header Format
- The Bat! Header Format
- Thunderbird Header Format
- Yahoo! Mail Header Format