The app consistently crashes when I delete the messages in the “Junk” mail folder. This even happens when I perform the delete action from a mobile device; that is, if I have the Mail app running on the Mac, then trash junk mail items on my iPhone, the Mac Mail app crashes. My mail app on my Mac suddenly won't open. It shows for less than a second then closes again 'Mail quit unexpectedly' Just started tonight. Rebooted and it is still doing it. Technician's Assistant: Just to clarify, what's the model of your Mac, and what operating system are you running? MacOS Sierra 10.12.6, iMac 'late 2015'. On your Mac, open System Preferences (from the Apple menu at the top-left of the screen), or use Terminal. Click Users & Groups; Click the Login Items tab; Here you will see the apps that will open automatically at login. If Mail is there, you can stop it from opening automatically, select and and click the minus icon to remove it. In some cases, these problems have caused Mail folders to go missing - without those the app won’t work, so there are solutions to these that most users can manage without too much difficulty to get the Mail app working again. Fix: Check your Mail Connections. Open the Mail app. Go to the Window in the top menu and click on Connection Doctor. Use information found in Mail in other apps. Search for emails. If you can’t open Mail. If messages are in a Recovered Messages mailbox. Troubleshoot email problems in Mail on Mac.

1. Mail App Won't Open Iphone
2. Windows Mail App Won't Open

Several Mac users have reported that the Mail app window just pops up randomly and for no reason. Are you also having this problem on your Mac? This short article explains how you can stop the Mail app from keep launching itself automatically while using the computer. This is an annoying problem because it will interrupt what you are doing.

Please try each step until your issue is fixed:

Reasons a Mac Application Won't Start. If you've been running the app that won't start for a while successfully, and now it won't start, something changed. There's a chance a file became corrupt because of a system crash, or the app may need to be updated. It may be in conflict with another app, or its permissions or preferences file may have. Sometimes you may experience issues with the Messages app. One of the problems that frequently reported by users is that Messages may appear to stop responding and won’t open. And when you attempt to open, nothing happens or the app quits unexpectedly. If you are having this problem, then this article is for you. Please try the steps below.

1-Are your having this problem when you first open your computer. Depending on your settings, some apps, like the Mail app, may open automatically when you log in. If you want to stop this, the first thing you should check is your settings to see if if Mail is set to launch at login. Here is how you can check this:

1. On your Mac, open System Preferences (from the Apple menu at the top-left of the screen), or use Terminal.
2. Click Users & Groups
3. Click the Login Items tab
4. Here you will see the apps that will open automatically at login. If Mail is there, you can stop it from opening automatically, select and and click the minus icon to remove it.

Mail App Won't Open Iphone

2-Another change you you want to make is to disable the “Close windows when quitting an application” option. You can do that by going to System Preferences and click the General pane and the check the “Close windows when quitting an application” box.

3-Some Mac computers support a feature called “Power Nap”. If you enable this, you Mac will check for new mail messages (among other things) while it is asleep. You may want to disable this. Again not all Mac models support this feature. The following models support this:

• MacBook (Early 2015 and later)
• MacBook Air (Late 2010 and later)
• MacBook Pro (all models with Retina display)
• Mac mini (Late 2012 and later)
• iMac (Late 2012 and later)
• Mac Pro (Late 2013)

To turn this off, go to System Preferences. And click Energy Saver. And then uncheck the “Enable Power Nap” box.

4-It has been reported that email settings in Google Calendar may cause this. Are you using a Gmail account? If so, you may want to try this. (see also: Gmail not working?)

• Visit the Google Calendar site (https://calendar.google.com/calendar/)
• Login if not already
• Click the Settings Menu icon (upper right hand corner of your screen – gear icon) and from the pull down menu, click Settings
• Select your Calendar
• Scroll and find the General Notifications section
• And change all this notification settings from Email to None. (There are five options)

Further your may also want to disable event settings notifications. /mac-app-store-damaged.html. Here is how:

• Click the General tab (left area)
• Click Event Settings
• Click Notifications
• And select “Off”

See also: Calendar Invitation: Your Response To The Invitation Cannot Be Sent

5-Some users reports indicate that Mail will launch in split view. If you are having this problem, here is what you can do:

• Open the Mail app
• Click Mail and Preferences (from the menu bar)
• Click the General tab
• And then deselect the “Prefer opening messages in split view when in full screen” box
• And close the window

6–Restart your Mac in Safe Mode. Here is how:

• Turn off your Mac
• Turn on your Mac while pressing and holding the Shift key
• Release the Shift key when you see the login screen.
• Now your Mac is in Safe Mode. Does your problem still occur?
• If now, restart your Mac normally, without pressing the Shift key

7-Force quit the Mail app. Here is how:

• Option, Command, and Esc
• Select the Mail app
• Click Quit
• Now restart your Mac

If none of the tips help you, you may contact Apple. You can also give Apple feedback about this problem.

See also: How To Open Winmail.dat Attachments

2020-09-11 17:59:57 • Filed to: macOS 10.14 Solutions • Proven solutions

To troubleshoot email problems on macOS 10.14 can be a tad difficult for a typical Mac users. Do you encounter Mail issues on your recently upgraded Mac or Macbook? Does your mail keep crashing on macOS 10.14? Is your Mac Mail annoyingly slow? In this guide, we will discuss tested and trusted tips for how to fix macOS 10.14 mail problems and other related challenges as well.

Resolving Mail Problems after macOS 10.14 Update

To fix email problems on your mac for macOS 10.14, here will offer the most effective and efficient tips. Just keep reading to ensure what problems are you encoutering and adopt troubleshooting below.

1. If You Cannot Send/Receive Email on Your Mac

If you notice that even with your mailbox spinning constantly, no mails are coming or going, the culprit is that IMAP is not syncing. To tackle this issue, try the following steps:

• Close your Mail application
• Proceed to /Users/your_profile/Library/Mail/IMAP-account_concerned/
• Then deleting hidden folder .OfflineCache
• Lastly, launch the Mail app again

After executing the foregoing steps, another OfflineCache folder will be created. You should note that this fix won’t delete any of your messages.

2. If Email Doesn't Arrive as Soon as You Expect

If you occasionally experience delays in receiving mails on your Mac, this is nothing to be worried about. Delivery of emails is scheduled by your email service provider, and the time it takes for incoming mails to arrive on your device could also be affected by your Internet service provider. But if these delays occur frequently, then you need to call your email provider or Internet provider, or get across to them via other means. If such delays are only observed whenever you’re communicating with a specific person, the problem may be from their end — and they may have to remonstrate with their email provider or Internet provider over this issue.

3. If Mail App Keeps Requesting Your Email Password

Does your Mail app request your password repeatedly? To fix this macOS 10.14 mail problem, it is germane that you keep in mind that a couple of issues could be the cause. The problem is mostly resolved by verifying the settings on your Mac. However, should this fix fail to nip the problem in the bud, you’ll have to reset the password you use for your email address in the 'AccountCenter'. You should then set a new password.

4. If Mail App Refers to a Problem with the Mail Server or Network

Your Mail app could state that it can’t connect owing to an issue with the mail server or network. For instance, the message might specifically state that a connection has timed out, or that there are too many connections being made at a time.

If there is Internet connection on your device, but this connection timed out, this could disrupt the service of your email provider. You can call them for help, or better still go through their site to view a system status page. Visit this Apple link to know the status of your iCloud Mail as well as other services. Furthermore, status pages can also be accessed for Gmail and Outlook.

If the error message mentions the number of simultaneous connections, this means there are too many of your Mac devices checking your email at once. To fix this, you should quit Mail on one or more of these devices.

Windows Mail App Won't Open

5. Why Is My Mail Not Opening on Mac?

After installing the macOS 10.14 update, did you encounter a problem in opening your mail? To fix macOS 10.14 mail problems, do the following:

• Open a window on 'Finder'; then click 'Applications'
• The next thing is double-clicking on 'Mail' so you can open the official app
• Doing this will ensure that you’re opening the right version

6. Mail is Extremely Slow after the macOS 10.14 Upgrade

If after updating your macOS to the latest version you experience performance issues with your Mail app, this could imply your Mail actions are either slow or attempting to look for a specific mail requires too much time. The solution to this problem is that you’ve to rebuild the Mailbox. Once you have carried out this process, the next action is performing a reindex procedure for expediting the app’s performance. Both of these techniques are quite expeditious in addressing performance issues with the Mail app on macOS.

7. Mail Keeps Crashing on macOS 10.14

This issue often results when there is something wrong with your Mail app’s preference list files, also termed .plist files. The problem is commonly fixed by locating these “PLIST” files and deleting them so you can know if this addresses the problem. Restart your Macbook by following these steps:

• If Mail application is running on your macOS 10.14, you should close it. If this app is frozen or not responsive, you can force-quit it
• Then look at the preference files of Mail app and get rid of them should they be corrupted and bringing about these problems. By employing Finder, select 'Go' > 'Go to Folder …' and type in the path
• Now delete the 2 plist files by transferring them to trash. You may move the files to your desktop so you can isolate them if you don’t want to delete them
• In the last step, you should restart your device and then open Mail so you can determine if the problem has been tackled

Once you’ve ascertained that the issue has been fixed, you should proceed to delete all isolated files to the desktop.

8. Mail States It Can't 'Verify Certificate'

This problem crops up when you’re ready to make use of an SSL connection that is secure. (Employing this sort of connection is an informed choice.) But to utilize a SSL connection with the Grid, you’ve to use the Incoming as well as Outgoing Mail Server as your access domain. If you don’t want to do this, opt to continue or don’t pay attention to the warning, though this message may keep showing up in the future.

9. Mac Mail Not Showing New Messages in Inbox

This issue is likely caused when a new message triggers a spam filter. To troubleshoot this email problem on macOS 10.14, you need to carry out these steps:

• Check the Spam folder of Mail app. If you have not done the subscription of your Spam folder locally
• You should then check with the original sender, so you can confirm if they got a bounceback. If they did, you should try the troubleshooting for issues with sending or receiving emails, treated above
• If you aren’t able to find the email anywhere, you need to check your mail log(s) to gain more insight

10. Mail Fails to Auto-Complete Email Address

If the autocomplete function of Mail app isn’t working, you should try quitting Mail and launching it again. Occasionally, normalcy is restored in the performance of the Mail software after it’s restarted.

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