Advanced Configuration
- Mapping Folders
- IMAP Limiting – 2,000 Messages per Folder
- Custom Colors for Accounts
- Using Gmail with Postbox
- Delete Behavior for Gmail Accounts
- Gmail Important Folder
- Displaying Remote Image Content
- Identities (Aliases)
- Changing your Default Send Account
- How to Specify a Storage Location for Mail Files
- Syncing User-Generated Data
- Passwords
- Using a Master Password to Encrypt your Account Passwords
- Obtaining an S/MIME Certificate to Sign Emails
- OpenPGP Signing and Encryption
- Anti-Virus Settings
- Postbox Labs
- How to Tune Postbox for Performance