When comparing Seamonkey vs Mailbird 2.0, the Slant community recommends Mailbird 2.0 for most people. In the question“What are the best e-mail clients for Windows?” Mailbird 2.0 is ranked 5th while Seamonkey is ranked 19th.
Ranked in these QuestionsQuestion Ranking
Pro Not just an e-mail client
Seamonkey is more than just an e-mail client as it is a full featured web browser as well. This makes for a good app to use for those that dislike having many different apps on their devices as it is a bit like an all in one solution.
Pro Auto imports setting from Thunderbird
For those that would be making the switch from the Thunderbird e-mail client setup is quite easy with Seamonkey as it auto imports all previous Thunderbird settings.
Pro Undo send
Pro Excellent UI/UX
The UI looks simple but is customizable. UX is also simple and easy to use.
Pro Free and paid versions
Users who only need to use the basic features of the app have a free version available, though it does limit to only 1 account. There is a paid Mailbird Pro version that does extend functionality and allows for unlimited accounts but it does cost $1.00 a month or $45.00 as a one time fee.
Pro Apps that extend functionality
Mailbird 2.0 supports separate apps that can extend the programs functionality such as Sunrise Calendar, which allows one to add multiple calendars in one view or Evernote which allows for easy not taking and sharing.
Pro Unified Inbox
This allows you to funnel all emails from all accounts into one unified folder, so you don't have to move between different accounts.
Pro Touchscreen support
Mailbird 2.0 has touchscreen support for tablets and other touch screen Windows devices which makes it easy to control no matter what kind of Windows device is being used.
Pro Attachment quick preview
Allows you to preview attachments selected in an email and hit the 'spacebar' to view them rather than having to download it and open a file.
Pro App side bar
This allows you to have one layout with your navigation bar, message list, email convos and productivity apps in view at once so you can work your email and productivity tools synchronously.
Pro Contacts manager
This allows you to easily manage all your email contacts with all critical details in one place. Create groups too. All your contacts in one place and synced with your different email contact providers.
Pro Unlimited email accounts
There is no limit to the number of email accounts you can manage from Mailbird.
Pro Email speed reader
Helps you scan through lengthy emails to get the important parts.
Pro Import feature
This allows you to easily import all your emails from your previous email client to Mailbird.
Con Permanent CPU usage
Seamonkey permanently uses CPU (quite a few percents on a Intel i7). On a laptop this causes the fan to run (which make noise) and the battery to lasts less time.
Huge size, high memory consumption, uses CEF (Chromium Embedded Framework).
Con No spam filter
Doesn't have spam filter.
Con Mailbird does not support moving emails between accounts
It's a disaster when you need to transfer all mails into a new account but you can't.