- Features
- POP3
- With paid version (*est. $20/year) or YPOPS or other third-party add-in
- IMAP
- No
- SMTP
- No
- Storage limit
- Unlimited
- Attachment size limit
- 10 MB (20 MB with paid version)
- Ads
- Banner and pop-up ads plus text on sent messages (except with paid Yahoo! Mail Plus)
- Browsers supported
- E, Firefox, Google Chrome, Safari 3
- Deactivation Period (if not logged in)
- 4 months (none with paid version)
- Automatic forwarding
- With paid version (*est. $20/year) or YPOPS add-in
- Secure SSL
- Log-in only
- Instant messaging integration
- Yahoo! Messenger, Windows Live Messenger
- Integration of text messaging to cell phones
- Yes
- Built-in audio player
- No
- Built-in voice calls
- No
- Pulls in email from other accounts
- No
- Virus scanning
- Yes
- Spam filters
- Yes
- Steps from log-in to inbox
- Three
- Calendar integration
- Yes
- RSS feed integration
- Yes
- Map integration
- Yes
- Custom sending address
- Paid "Plus" version
- Domain name customization
- $35/year
- Mobile version
- Yes
- Offline version (synchronized with online version)
- No
- Interface
- Similar to most email programs
- Preview pane
- Yes
- Previews inside messages
- Yes, plus slide show of images
- Tabs to open more than one message
- Yes
- Customized display
- Partial; can't change location of reading pane
- Switch easily between accounts
- No
- Email organization
- Folders (drag and drop)
- Search emails
- Yes
- Automatic inbox organization
- No
- Automatically sort incoming email into folders
- No
- Nested folders?
- No
- Contextual right-click menu
- Yes
- Integration with social networks
- Yes, can see messages from selected "friends" first
- Undo send
- No
- Vacation auto-responder?
- Yes
- Quick-add pane
- No
- Disposable address option
- Only with paid version
- Email stationery options
- Yes
- Create contact groups (distribution lists)
- No
- Multiple inbox option
- No