Trending December 2023 # How To Show Only Unread Emails In The Mail App For Mac # Suggested January 2024 # Top 14 Popular

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Organizing emails has always been a difficult task for many of us, as the inbox keeps getting cluttered with the emails you receive every day. One way to organize these emails is to manually put them into their appropriate folders or tags so that they are easy to find and manage, but that manual task consumes a great deal of your time.

Many apps and tools have been developed to help you organize your emails so that your inbox does not look cluttered. One of these is the Smart Mailbox feature located in the Mail app on your Mac. The feature lets you create Smart Mailboxes that only contain the emails that pass through the filter criteria set by you.

You can create a Smart Mailbox for only unread emails, and that way you will have all of your unread emails in a separate mailbox and can then work on them from there.

Here’s how to create a Smart Mailbox for your unread emails.

Showing Only Unread Emails in the Mail App

You only need access to the Mail app on your Mac to do the task. You do not need a third-party app.

1. Launch the Mail app.

3. The New Smart Mailbox dialog box should launch for your to enter your filter criteria.

In the name field you can enter a name that fits the smart mailbox. For example, since you are creating a mailbox that will only have unread emails, you can enter the name “Only Unread Emails.”

In the drop-down menu below you need to select the option that says “Message is unread.” What this will do is only add your unread emails to the smart mailbox leaving all other emails aside.

You can now open this mailbox, work through the emails, and after they are read they will be removed from the mailbox. However, they will still appear in your regular inbox.


If you would like for your unread emails to appear separately in the Mail app on your Mac, you can use the Smart Mailbox feature as described above.

Let us know if this helped you organize your emails!

Mahesh Makvana

Mahesh Makvana is a freelance tech writer who’s written thousands of posts about various tech topics on various sites. He specializes in writing about Windows, Mac, iOS, and Android tech posts. He’s been into the field for last eight years and hasn’t spent a single day without tinkering around his devices.

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Mail Delivery Subsystem Emails: What They Mean, How To Stop Them

You may have gotten one or more emails from Mail Delivery Subsystem and wondered what that was about. There are several possibilities for why you have received these emails. In this article, we will explain why you may get email from Mail Delivery Subsystem and what you can do to stop them.

What is Mail Delivery Subsystem

Mail Delivery Subsystem is a name for the mailer daemon that is responsible for delivering your emails.

If you are using Gmail (this doesn’t necessarily mean you’re using an @gmail address), you may get an email from Mail Delivery Subsystem, whose email address is [email protected]. This is an email from google mail itself.

Why does Mail Delivery Subsystem send you emails?

You may get one or more emails from Mail Delivery Subsystem due to a problem with an email you have sent. This message is known as a “bounce message” because instead of being delivered, the email “bounced” back to you. For example, I recently received two Mail Delivery Subsystem emails after sending a couple of calendar invites.

If you have received many of these kinds of emails and you don’t believe you have even sent any of the emails in the first place, you may have a problem. See the How to stop Mail Delivery Subsystem emails section below for more information on how to proceed.

Delivery Status Notification (Failure)

At the top of the email I received was written “Delivery Status Notification (Failure).” This tells me that an email I tried to send failed. In the body of the email was the reason for the failure:

Recipient inbox full Your message couldn't be delivered to [email protected]. Their inbox is full, or it's getting too much mail right now.

It seems my friend’s iCloud storage was full and so they could not receive any emails until they increased their iCloud storage.

Address not found

This is another common message type from Mail Delivery Subsystem. It usually indicates a problem with the address, such as some part of the address being mistyped. Similar messages may have a different wording:

Mailbox unavailable

Unknown user

Unrouteable domain

Host unknown

Message blocked

This means your message was blocked for some reason. This can happen when you add too many recipients to CC or BCC or if you have a “suspicious” looking URL link in your email.

Error codes

The message from Mail Delivery Subsystem may contain an error code. This code can be accompanied by a message. Codes in the 400s usually indicate a temporary issue, and those in the 500s mean that something will need to be done/changed in order for the sender to receive your email. For the email I received, the message was:

The response from the remote server was:

This tells me pretty much the same thing as the message above — Recipient inbox full.

How to stop Mail Delivery Subsystem emails

The way to approach this problem will differ depending on your situation:

If you have only received a few emails

If the following are true:

You have only received a few Mail Delivery Subsystem emails.

The body of the email lists the failure for the same recipient’s email address.

You know you have sent (or tried to) that individual the emails that have failed.

Then the email is most likely legitimate (otherwise, see below). A couple of common problems are:

The recipient’s mail is full

If you see anything in the email message indicating this, then the individual to whom you are trying to send the emails should check with their email provider. They are likely not receiving emails from anyone and need to take action to fix the situation. For example, my friend needed to increase their iCloud storage. If you have no other way to contact the person you are trying to email, you can try to send them a very short email with no attachments, letting them know about the problem. It may or may not go through.

You have the address wrong

If your Mail Delivery Subsystem email indicates that the address, mailbox, user, domain or host is not found, unknown, unavailable or unrouteable, then you need to double-check the email address you are using.

If you received Mail Delivery System emails for mail you didn’t send If you have received a lot of emails

This indicates a problem called mailer daemon spam. There are a couple of possibilities here:

Someone is spoofing your email address and sending lots of spam to other addresses, some of which bounce back to you. In this case, your email account has not been hacked.

Your email account has been hacked, and someone is sending spam to your contacts (or others). This can happen if you gave out your information to a phisher or if you opened an attachment containing malware.

Steps you need to take

If there is a possibility that your email account or your computer has been compromised, you should do the following to stop the problem:

Especially if you are using a PC, you will want to make sure your antivirus/anti-malware software is up to date and running. Scan your computer and follow the suggestions given by your antivirus software.

Change your email password (after running antivirus). Use a secure password that you are not using anywhere else.

If your email account was being used to send phishing/spam to your contacts, you should warn them, or else they may find themselves with the same problem.

If you are using Gmail:

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How To Completely Uninstall An App On Mac

Depending on the application and the installation method, you may be able to completely uninstall an application from macOS by simply dragging the .app bundle into the trash. However, that typically leaves behind at least a few preference files. In some cases it can leave behind gigabytes of data.

On macOS, applications generally like to stay inside their .app bundle. Compare this to Windows, where an installer can spew files across the system in dozens of arbitrary locations. Although, this happens with some Mac apps as well, as you’ll see if you try to manually uninstall more complex applications.

If possible, you should always default to using the applications uninstaller, if it has one. Applications with web service components, like Adobe Creative Cloud and Microsoft Office 365, should be removed according to the instructions on the developer’s website. If there is no uninstaller application or uninstall procedure, you can remove the application yourself. It just might take a little while, unless you don’t mind paying a few dollars to have it taken care of for you.

Method One: App Cleaner

The easiest way to completely uninstall a game on the Mac is with App Cleaner. It works by searching for files associated with the app bundle and deleting everything together at the same time. You can download and install App Cleaner for free, but it costs $10 to unlock the core file-deletion functionality. With the free version of App Cleaner, you can search for apps but not uninstall them.

If you’re looking for a free option, there is a free, similarly-named program, AppCleaner, that performs similarly but not identically to the paid App Cleaner.

1. Open App Cleaner.

2. Type the name of the app you want to delete in the search bar at the bottom of the app list.

3. Check the box next to the application to mark it and its associated files for deletion.

4. If you want to completely uninstall more than one app, you can search for another app and check it too. Both will be uninstalled in the last step.

6. Empty the Trash in Finder to remove the files from the disk completely, and you’re done.

Option 2: Manual Uninstall

App Cleaner is useful because not all applications are entirely contained within their app bundles. While some apps can be deleted simply by deleting the .app bundle, not all apps are so well-organized or simplistic.

Many apps, especially powerful apps, can sprawl across your system, depositing files in a variety of “~/Library/” folders. In this way developers have managed to import our least favorite Windows feature: installer vomit.

Possible Library Folder Locations

To completely uninstall an app from macOS manually, you’ll need to look for files associated with the application in the following folders. Within each folder, look for the name of the application and the name of the company that created it. For example, if you were trying to uninstall Word manually, you would look for both Word and Microsoft.


/Library/Application Support







~/Library/Application Support





Additional Locations

You’ll also need to look for any related kernel extensions. Known as “kexts,” kernel extensions are the drivers of the macOS world. A kext extends the communication ability of the kernel, adding new methods of interfacing with the system. You’ll find them installed in “/System/Library/Extensions,” and you’ll need to search thoroughly for anything related to your application. When you’re ready to remove the kexts, you’ll need to use sudo rm.

You may also find files in the “~/Documents/” folder. This is especially true of applications and games that are ported from Windows to macOS. Storing user files in the Documents folder is a standard, and perhaps annoying, behavior on Windows, and that’s easily transferred to macOS.

Other more complex applications can deposit files in less typical locations. If you install a different shell, for example, you’ll find hidden files and folders associated with that shell in your home directory. With Finder foremost, press Command + Shift + . to reveal hidden folders. Delete any associated files or folders from your home directory.


In most cases simply deleting the app bundle is enough to uninstall an app from your Mac. Complete removal is best when the app has large helper files, or you’re attempting to fix some sort of problem by reinstalling the application.

Alexander Fox

Alexander Fox is a tech and science writer based in Philadelphia, PA with one cat, three Macs and more USB cables than he could ever use.

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How To Install And Use Whatsapp App On Mac

If you’re someone who stays online on your Mac more than your phone, you may have used WhatsApp’s web app for sending and receiving messages without picking up your phone. While this functionality has existed for a few years, one downside to that has been that your phone was always required to stay online for you to use WhatsApp on a computer. 

Besides this, some features weren’t available on the Mac app or WhatsApp’s web client which made it all the way less convenient. WhatsApp has now changed this experience with its new native Mac app which lets you use the messaging app without any of these restrictions. 

In this post, we’ll explain to you what’s new about the new WhatsApp app, how you can download it and start using it on a Mac. 

What’s new with WhatsApp on Mac

Although WhatsApp has been available as an app on macOS, this app was more or less a web-wrapped version that would look and feel similar to WhatsApp on the web. Thanks to recent developments, the company has now developed a native version of the messaging app, one that offers all the features that you’d otherwise get on its iOS app without any restrictions.

The main difference between this app and the old version is that you no longer require your phone to be connected to the internet to use WhatsApp on your Mac. The older app relied on your phone’s internet connection to relay the same messages to your Mac. In the new version, you will be able to use it as a standalone app, meaning you can send and receive messages directly from the Mac without needing your iPhone to connect to a network. 

Instead of a two-panel window, the new WhatsApp app for Mac will offer an additional third panel which will be available on the left-most side of the window. This panel should resemble the bottom navigation bar on the iOS version of WhatsApp, offering quick access to chats, calls, archived & starred messages, and app settings. 

Related: Top 2 Ways to Lock Photos on Mac

How to install the WhatsApp app on a Mac

The new native app for WhatsApp on Mac is available directly on WhatsApp’s website but the version that’s currently installable is still in beta. This means, you may not be able to use all the features on the app or you may end up facing an issue or two during your usage. 

Before you install the native WhatsApp app on your Mac, you need to make sure that your Mac is running on the latest version of macOS available on it. This is important because the new WhatsApp app can only be installed on macOS Big Sur or newer versions. 

You should now see the WhatsApp Installer window on the screen. To install the downloaded app, drag the WhatsApp app icon to the Applications folder inside the WhatsApp Installer window. 

Related: How to set up and use Split View on Mac

How to sign in to your WhatsApp account on Mac

When you’ve installed WhatsApp on your Mac, you can start using it but before you do that, you first need to log in to your WhatsApp account on the app. To do that, first open the WhatsApp app on your Mac from the Dock, Launchpad, or Spotlight. 

Now, you should see a QR code on the screen. This QR code is what allows your WhatsApp account on your phone to get added to the app on your Mac. 

The next step is to open the WhatsApp app on your Android device or iPhone. 

When the app opens on your phone, tap on the 3-dots icon at the top right corner on Android or tap on the Settings tab at the bottom right corner of your iPhone. 

On Android, when an overflow menu opens on the screen, tap on Linked devices. 

On iOS, select Linked Devices from the Settings screen. 

Inside the Linked Devices screen, tap on Link a Device. 

In the Scan QR code screen that appears, tap on OK. 

You should see your camera viewfinder in a square box. Now, point your phone’s main camera to the code on your Mac so that the WhatsApp app on your phone can capture the code and read it. 

On your Mac, you should see the Customize Notifications window on top of the WhatsApp widow. From here, you can disable notification banners and message previews by unchecking their boxes on the right-hand side or leaving them enabled if you’re okay with it. Once you’ve configured how you want to receive notifications from WhatsApp on your Mac, tap on Done at the top right corner of the Customize Notifications window. 

WhatsApp is now successfully installed on your Mac and you can start using it to send messages. 

Related: How to Zoom In and Zoom Out on Mac

How to use WhatsApp on Mac

Once you’ve installed and logged into your account on WhatsApp, the app should be open on your Mac’s Dock at all times and you can open it from there. 

If you can’t find the WhatsApp app on Dock at the bottom, you can launch it by searching on Spotlight or from the Launchpad screen. 

When you open the new WhatsApp on your Mac, you will see a three-panel window on the screen.

On the left-most panel, you will see different tabs to access your Chats, Calls, Archived (messages), Starred (messages), and Settings. The subsequent panels on the middle and right side will then show you chats by default or the content from the selected tab from the left panel. 

Open chats and send messages

In the New Chat window, scroll through your list of contacts or groups and select the chat or person you want to send a message to. 

When you open a conversation, all the past messages in the conversation should be visible on the right-most panel. When a chat is open on the right panel, you will see all the messages inside it. To view older messages in a selected chat, scroll upwards on this panel.

When the contact’s info screen shows up, you can access the media shared in the conversation, check for starred messages, or search the conversation for keywords. 

You can scroll down on this screen for other actions sharing contact, clearing or exporting the chat, or blocking the contact from messaging you. 

Make calls and view your WhatsApp call log

When you do that, the call should commence and you should see the call screen on top of the WhatsApp window. 

Access your archived messages on WhatsApp 

View messages you starred on WhatsApp 

When you do that, you should see where the message appeared inside the conversation on the right panel. 

How to change WhatsApp Settings on Mac

Modify your WhatsApp profile

Inside WhatsApp’s Settings screen, you can change how your profile looks to others on the app in the same way you would on a phone. You can change your profile picture, name, and the “About” section and update them to something new. 

When you do that, you should see your profile details appear on the right. Inside the Edit Profile panel is where you can make changes to your profile. 

Make changes to your privacy

Regardless of the section you select, you can choose one of the following options to configure your account’s privacy. 

In the Default Message Timer panel that appears, select a duration after which you want messages to get deleted from individual chats.

This will not affect your existing messages and they will continue to stay on your chat history for as long as you want to keep them. 

Change how you receive WhatsApp notifications on Mac

This will open the Notifications panel on the right where you can change how you receive messages and group notifications on your Mac. To enable notifications for all messages in a chat, check the Show Notifications boxes under “Message Notifications” and “Group Notifications”. 

To get notified everyone someone reacts to your messages, check the Reaction Notifications boxes on both sections. 

WhatsApp notifications will appear as a banner by default on a Mac. If you want the notification banner to preview the message you received, you can check the Show Preview box. 

View your network and device storage

The selected items will be deleted from the specific conversation. You can repeat these steps to delete media from other conversations as well. 

On the next panel, you should see the full details of the amount of data consumed and how it was used. 

On the next screen, select your preferred quality from the following options. 

Export, Clear, or Delete all your chats

On the next screen, select a chat you want to export from the list of conversations visible. 

You will see a prompt on the screen asking whether or not you want to save media in addition to your messages. Select your preferred option from this prompt to proceed. 

If you wish to use WhatsApp from scratch, you can choose any of these options inside the Chats panel – Archive All Chats, Clear All Chats, or Delete All Chats. 

How to log out of your WhatsApp account on Mac

When you no longer want to use the WhatsApp account on your Mac, you can log out from it to unlink your account on the Mac. There are two ways to log out of WhatsApp on a Mac – from the Mac or the connected phone. 

Log out from the Mac

Log out from your phone 

You can also log out of your WhatsApp account on the Mac by unlinking it from your WhatsApp account on your phone. For this, open the WhatsApp app on iOS or Android. 

Inside WhatsApp, tap on the 3-dots icon at the top right corner on Android or tap on the Settings tab at the bottom right corner of your iPhone. 

On Android, when an overflow menu opens on the screen, tap on Linked devices. On iOS, select Linked Devices from the Settings screen. 

Inside the Linked Devices screen, tap on macOS. 

In the Device Status screen that appears, tap on Log Out. 

You will now be logged out of your WhatsApp account on the Mac. 

Can you use the WhatsApp Mac app without your phone? 

Yes. The new native app for WhatsApp on Mac is designed to run by itself without connecting your phone to any network.

Before this, the older WhatsApp app, just like the web version, relied on your phone’s internet connectivity to show you the same messages on the Mac. If your phone got disconnected, the app would then cease to show newer messages or stop you from sending new messages from the Mac. 

With the new WhatsApp app, you can now send and receive messages from within your Mac without needing your phone to stay online. You can even make audio and video calls to someone or receive them directly on the Mac without your phone. 

For how long can you use the WhatsApp Mac app without a phone?

You can use the native WhatsApp app on your Mac without your phone as soon as you link your account to the Mac client. WhatsApp allows you to use the Mac client as a standalone app for up to 14 days. This means, your linked devices (including your Mac) will be logged out if your phone hasn’t been online for over 14 days. If you occasionally connect your phone to the internet, you can continue using the WhatsApp on Mac app without your phone for an indefinite period, provided that your phone stays online at least once in two weeks. 

That’s all you need to know about downloading and installing WhatsApp on a Mac. 

How To Read Emails In Plain Text In Different Email Clients

While most email clients are capable of handling email in HTML format and will render your emails in HTML mode by default, there are times when you just want to read the emails in plain text, either because you have security concerns about the HTML formatted messages, or you want to check out how’s your newsletter renders in plain text. Here are the ways to read emails in plain text in different email clients.

Note: There are just too many email clients around and we won’t be able to cover them all. This article only focuses on Gmail, Outlook and Thunderbird. Yahoo doesn’t come with plain text mode.


This is what you will see.

In the new chúng tôi there is also no way for you to view email in plain text. The only available way is via the “View Source” option.

Scrolling through the source code, you should be able to see the email content in plain text.

Outlook 2003 Outlook 2007 Outlook 2010


That’s it.

Image credit: Inbox by BigStockPhoto


Damien Oh started writing tech articles since 2007 and has over 10 years of experience in the tech industry. He is proficient in Windows, Linux, Mac, Android and iOS, and worked as a part time WordPress Developer. He is currently the owner and Editor-in-Chief of Make Tech Easier.

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By signing up, you agree to our Privacy Policy and European users agree to the data transfer policy. We will not share your data and you can unsubscribe at any time.

How To Tell The Difference Between Scam And Spam Emails

There are two types of Email dangers you need to watch out for Scam and Phishing (among others). You may have gotten quite a few in your inbox and might not have been aware of it.

By becoming aware of what a Phishing and Scam Email contains, you can avoid being the victim of identity theft (to mention one of many outcomes). What are the signs to look out for when it comes to a phishing scam?

What is Phishing Email?

A phishing email is sent by someone claiming to be an official business (your bank for example). The email may ask you to update your personal information such as your credit card number, social security number, and other sensitive information.

The email will always have a link to a site that will try to imitate the design of the authentic company as best as it can. This site is fake. Any information you type will be stolen and used against you.

A phishing email will always follow a pattern. For example, it will still be unasked for (since it falls in the Spam category), commercial, and it will always aim at your emotions. It will try and give you a sense of urgency, trust, intimidation so you can react to it without thinking your actions through.

What a Phishing Email Looks Like

Identifying a Phishing Email is not too difficult. You just have to know what to look for, and the phishing Emails usually follow the same pattern. For example, a phishing email will have a link to a malicious site, as I mentioned before.

They will also have infected attachments that as soon as they are opened give the hackers access to your computer.

Those attachments could be HTML attachments (it’s a basic structure, and it’s the code that is used in the creation of content for pictures, text, games, and more) that infects your computer as soon as you open them.

Phishing Signs to Look Out For

If the attachment is a type of file you’ve never heard of, it’s best that you leave it alone. A file type that you should never be opened will end in exe, msi, bat, cmd, hta, pif, and more. The Email service you use should block this type of file extensions. TXT, docx, xlsx, and xlsx are types of document extensions that are always safe to open.

The phishing email will also sound too good to be true. It could inform you that you’ve won a computer or maybe even a smartphone. That all you need to do to claim your prize is to give personal information to confirm your identity.

Don’t forget to look at who is the sender of the Email. Even if the name of the company is spelled correctly, the Email address might not include the name of the company the Email claims to be from.

What is a Scam Email?

A scam Email can come in various forms, but don’t be surprised if you’re offered a job you never applied for. If you’re actually looking for a job at the time, there is a chance that you’ve uploaded your resume onto a job recruitment site.

Some scam Emails will say that they saw your information on such site and want you to join the team. These scam Emails could ask for additional information about you or offer you special training that you will need to pay for before being able to take on your new position.

What a Scam Email Looks Like

In these scam Emails, you are asked to give more personal information that you may be accustomed to. You could be asked for financial data, social security number and other very identity information.

In scam Emails, you will also see bad grammar such as sentences that won’t make much sense or punctuation mistakes. It will also provide a link to give you more information about the job or opportunity it is giving you. When you place the cursor over this link, the real link won’t match the one in the Email.


You may not get these kinds of Email every day but when you do, you’ll know what to look out for. Now, you’ll be prepared to protect your valuable information. Have you received a scam or phishing Email recently?

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