With macOS Sonoma, Apple has officially pulled support for legacy plug-ins for its Mail app on the Mac, with MailKit extensions now the only way forward.
Mail App
AltStore team says AltServer Mail plug-in doesn’t work on macOS Sonoma, new method coming soon
Apple unveiled macOS Sonoma at WWDC 2023, promising a major update for the Mac that lots of users are likely to adopt on release day. But if you depend on the sideloading capabilities of AltServer and AltStore, then you may want to consider steering clear, at least for now.
How to fix iCloud Mail not working on iPhone, iPad, Mac, and web browser

Learn what to do if you cannot access your iCloud emails or send and receive emails using your iCloud account on your iPhone, iPad, Mac, and web browser.
Getting delayed or no Mail app notifications on iPhone? Here’s how to fix it
Learn how to change settings on your iPhone or iPad so that the built-in Mail app sends you notifications for new emails for quicker communication.
Out of the blue, Microsoft turns Outlook for macOS into a free app
In addition to being free, Microsoft Outlook now runs natively on Apple silicon Macs. Planned new features, such as menu bar peek, are scheduled to launch soon.
How to rename email accounts in the Mail app on iPhone, iPad, and Mac
Check out these quick steps to change the name of your email account mailboxes in the Apple Mail app for improved organization.
How to edit, reorganize, and hide mailboxes in the Mail app on iPhone and iPad
In this tutorial, we'll show you how to customize the mailbox layout screen in the Apple Mail app to better organize your messages and provide a cleaner, more streamlined email experience.
How to disable email Follow Up suggestions in the Mail app on iPhone, iPad, and Mac
Learn how to turn off the Follow Up banner for emails you've sent in the Apple Mail app on your iPhone, iPad, and Mac.
How to show rich link previews in your emails on iPhone, iPad, Mac
Learn how to show link previews by converting plain URLs into rich links in the Mail app on iPhone, iPad, and Mac.
How to get reminded about an email on iPhone, iPad, and Mac
Learn how to use the Remind Me feature in the Apple Mail app on iPhone, iPad, and Mac so you never miss replying or attending to an important opened email.
How to Undo Send or recall a sent email on iPhone, iPad, and Mac
In this tutorial, we will show you how to undo send an email in the Apple Mail app on your iOS or macOS device to recall the sent email before it reaches the recipient's inbox.
How to stop email tracking in Gmail and Apple Mail
Protect your privacy by stopping email tracking inside Gmail and other email accounts in the Mail app for iPhone, iPad, and Mac.