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Add to SafariWhen comparing Postbox vs Mailspring, the Slant community recommends Mailspring for most people. In the question“What are the best e-mail clients for Windows?” Mailspring is ranked 3rd while Postbox is ranked 9th. The most important reason people chose Mailspring is:
Mailspring has great integration with gmail features and tags.
Specs
Question Ranking
Pros
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.
Pro Great integration with Gmail
Mailspring has great integration with gmail features and tags.
Pro Neat UI
The UI is very well designed and neat.
Pro Read receipts and link tracking
Activity tracking is built into Mailspring so you get notified as soon as contacts read your messages and can follow up appropriately.
Pro CPU / battery efficient
Mailspring uses a C++ sync engine designed to be as efficient as possible, so you can leave the app running and not see your laptop battery life drain away.
Pro Unified inbox
Using a single inbox for all of your email accounts helps you get more done in less time. Mailspring supports every major mail provider—Gmail, iCloud, Office 365, Outlook.com, Yahoo!, and IMAP/SMTP—so you have a single, streamlined command center for all your messages.
Pro Snoozing support
You can swipe to archive / snooze messages and specify when you'd like them to resurface in your inbox.
Pro Unlimited number of accounts
Only in the paid version though.
Cons
Con No support forum
Support for paid product has no online forums.
Con Can't use without creating a Mailspring ID
There is no need to create a third party ID for an email client. What if the Mailspring closes in the future - can't install a previously downloaded Mailspring software any more to continue using it or access your stored emails?
Con Slow updates and bug fixes
It takes months to fix some simple bugs. For example, they can't fix bug with notifications on mac OS from April 2019! Upd: they fixed it after 6-7 months
Con Unstable, have to keep fixing passwords
You have to keep "updating the password" because it continuously finds it hard to sync with multiple Outlook accounts.
Con Pro subscription model
To use some features, like contact profiles and link tracking more than a few times a month, you need to pay for a Pro subscription.
Con No addressbook
Con No way to see messages as plain text
And HTML is only optional.
Con Does not support Microsoft Exchange
Con Very limited user interface
No way to see the messages as a list, no way to rearrange views.
Con No portable windows (.zip) bundle available
Con Does not support POP
Just IMAP.
Con Does not support multi-user installation (Windows)
But instead installs to the user's home directory.
Con UI is sluggish (Windows)
Click and only after a tiny delay (~half second) something happens.
