When comparing Boxy Suite vs Postbox, the Slant community recommends Postbox for most people. In the question“What are the best e-mail clients for macOS?” Postbox is ranked 8th while Boxy Suite is ranked 21st.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Notifications and system integration
Pro Native Gmail and Google Calendar experience
Pro Clear interface
Pro Forgotten attachment reminders by default
Reminding the user that they forgot to attach the file if they mentioned one in the body of the email is one of the most useful features of any email client and so many don't include this. Postbox is pre-configured to look for certain keywords (attached, CV, spreadsheet, pdf etc) and you can specify your own keywords in addition.
Pro Blocks tracking gifs
Has the ability to block tracking gifs commonly used for read receipts.
Pro One Inbox for all accounts
All messages in one place. But you can select to show only messages from each account either.
Pro Quick Bar for macros
Quick bar allows you to add a variety of content to your message. It will let you reuse URLS in your Sent folder, and autocompletes against canned responses, signatures, and topics.
Cons
Con Expensive subscription-based pricing
Personal Pricing:
6.99 USD / month
49.99 USD / year (with free trial)
149.99 USD (lifetime license)
Team pricing:
39.99 USD / year 2+ users
29.99 USD / year 10+ users
24.99 USD / year 20+ users
19.99 USD / year 50+ users
Con New product
Con No support forum
Support for paid product has no online forums.