It seems that many people don't know all of the features of MailDroid. Here is a short list that does not include the basic functions (compose, read, unread, flag, delete) as well as I am sure I missed some things myself
Accounts Screen Menu:
1. Address Groups: Allows you to create a group of emails and when composing just add that group name and not have to type out multiple email addresses each time.
2. Notification Channels: Allows for one click access to quickly change sound, vibration, led, and/or icon being shown for MailDroid
3. Long press to nickname account, edit settings, or delete an account
Account Screen Menu --> Preferences:
1. Color Theme: Dark/Light
2. List Item Font Size: Control font size of the lists
3. Alternating row color: Only available in the light theme
4. Default Signature: For all accounts
5. Auto-Save drafts: Will autosave for you in case something happens while typing
6. Confirm Delete: Are you sure you want to delete
7. Show CC/BCC: Always show cc/bcc when composing an email
8. Show Web Images: Always shows web images when viewing an email
9. Offline Cache: Currently only for pop3. Location can be phone or SD
10. Max Cache Size: Size of cache allowed in MB
11. Notification Sound: Change default sound
12. LED Color: Change default LED color
13. Rules: * See below
14. Prevent Sleep Mode: Read description
15. Compact Database
Rules:
Ability to create a custom rule per account or all accounts. You can control led color, sound, vibrate, or icon. You can change this settings based on time of day as well as day(s). You also can add multiple rules and prioritize them.
Menu within your inbox:
1. Choose a folder: Allows you to move email between folders
2. Account Preferences: * See below
Account Preferences (settings differ slightly for imap and pop3):
1. Your Name: Outgoing mail name
2. Account Nickname: For accounts screen list
3. Folder for Deleted Mail: Define trash location
4. Copy Sent Mail: Define sent mail folder
5. Signature: Signature per account
6. Auto CC: Account(s) to auto cc
7. Auto BCC: Account(s) to auto bcc
8. Advanced Connection Management: * see below
9. Long press an email to do many of the above functions
Advanced Connection Management:
1. Control Push (on/off)
2. Control Pull Interval
3. Never check mail option
Menu when reading an email:
1. Save on SDCard: Export an email to .eml format
2. Toggle selection mode: For cut and paste
3. Show Images: If you hid images, here you can show them for an html email
Compose Menu:
1. Attach File
2. Add Reply-To: Send email from one account but user will reply to another account
Choose a folder menu:
1. Add folder: This is currently only for IMAP
2. Long press to rename/delete folder
3. Long press to add a subfolder