Reading Time: 6minutes![Cannot Cannot](https://hetzner.co.za/help-centre/wp-content/uploads/sites/5/2015/10/outlook-for-mac-2016-icon.jpg)
![2016 2016](/uploads/1/2/4/6/124636305/500007628.png)
not sending and receiving emails?
Pre-Flight Check
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- Jun 04, 2019 In Outlook 2016 for Mac version 15.12.3 and later versions, the log file opens in the Console and you can view it while Outlook is running. Each entry has a name that identifies the feature that is being logged. The following table lists the label for each feature. Note The log file may also contain user information.
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- These instructions are intended specifically for setting up a new email account in Microsoft Outlook 2016 for Mac OS X 10.11.3.
- If you have not already created an email address on your server, visit our New User Tutorial: Creating E-Mail Addresses in cPanel.
- If you need to configure your email address in Outlook 2016 for Microsoft Windows, see How To Set Up Email in Outlook 2016. For other mail clients, check out our tutorial on setting up other email clients.
Step #1: Add or Edit the Email Account
- To set up a new email account or edit the settings on an existing one, click the Tools menu and then select Accounts to open the Accounts panel.
- The setup process is slightly different depending on whether you have any existing email accounts configured in Outlook 2016:
- Setting up your first email account: If this is your first time setting up Outlook 2016, you will need to click on the envelope icon next to the third option: Other Email (iCloud, Google, Yahoo!, or other accounts):
- Setting up an additional email account: Once any email account has been set up in Outlook 2016, additional accounts can be added by clicking the plus sign in the lower left corner and selecting Other Email… from the pull-down menu:
- Changing the settings for an existing email account: Click on the account’s name in the account list on the left to make changes to any existing account in Outlook 2016, and skip ahead to Step #4: Editing an Existing Email Account.Note: You cannot edit an existing email account to directly change its connection method. To change an account from POP to IMAP or vice versa, simply add a new account for the email address as described below and select the desired connection type. Outlook 2016 will allow you to have multiple accounts for the same email address, so an account for [email protected] using IMAP can coexist with an account for [email protected] using POP. To prevent data loss, do not delete the existing account before adding a new one.
Step #2: Configuring a New Email Account
On the account information panel, enter the information as follows:
Can't Log Into Outlook 2016
At first, you will only see the E-mail address and Password fields. Once you enter your email address, Outlook 2016 will recognize that you’re not attempting to connect to a web service such as iCloud, Google, or Yahoo, and will automatically expand the window to reveal all the fields shown in the image above.
- E-mail address: requires your complete email address, such as [email protected].
- Password: is the password associated with the email account.
- User Name: is your full email address. It should exactly match what you entered into the E-mail address field above.
- Type: you may select IMAP or POP. IMAP is recommended for its ability to sync messages between multiple devices (to learn more about the difference between the protocols, see IMAP vs POP3 email).
- Incoming server:
- When using standard (non-SSL) settings, use mail.yourdomainname.com
- When using secure (SSL) settings, use the server’s hostname (host.yourdomainname.com)
- The default port numbers should not need to be changed unless you have configured your server to use non-standard ports (not common)
- Check the box next to Use SSL to connect (recommended)
- Outgoing server:
- When using standard (non-SSL) settings, use mail.yourdomainname.com
- When using secure (SSL) settings, use the server’s hostname (host.yourdomainname.com)
- The default port numbers should not need to be changed unless you have configured your server to use non-standard ports (not common)
- Check the box next to Use SSL to connect (recommended)
Once you’ve entered all the requested information, click the Add Account button at the bottom of the window to create the account with your specified settings.
Step #3: Configure Security Settings
When you add your email account, an alert window may prompt you to review security settings. This is expected if you have not already purchased and installed a signed, third-party verified SSL certificate on your mail server. If you see no such prompt, then you’re all set and can begin using Outlook 2016 with your email account immediately.
If you do get a security prompt, which specifies that information that you view and send will be encrypted, note that Outlook 2016 will not be able to verify the security of the certificate through a third-party because you are the only authority validating it:
If you wish to proceed with the connection, you have two options:
- You can click the Continue button to proceed, with the caveat that you may need to accept the warning each time Outlook connects.
- Or, you can permanently store the certificate and treat it as trusted, by clicking Show Certificate and then checking the box next to Always trust … before clicking Continue. You will need to authenticate with your password to store the exception for your self-signed certificate.
Note: A self-signed certificate uses the same level of encryption as a third-party verified certificate; the difference is that it is you who are verifying your server’s identity and not a third party who is paid for the service. However, if you would prefer to use a third-party verified SSL certificate to cover core services (cPanel/WHM, POP3, IMAP, SMTP and FTP) on your server, you can find instructions for ordering and installing an SSL certificate at Install an SSL Certificate on a Domain using cPanel, and you’ll find a guide to installing your certificate on email and other core server services at Installing Service SSLs in cPanel. Should you find that you need any assistance, please feel free to contact a Heroic Support® technician who can assist with obtaining and installing an SSL from the vendor of your choice.
Once connected, Outlook 2016 will download your mail from the server along with any custom directories you’ve added, which will be synced by default.
Step #4: Editing an Existing Email Account
To change the settings on an existing email account, click the Tools menu and then select Accounts to open the Accounts panel.
Click on the name of the account in the left pane, and make the desired changes:
- User Name: is your full email address. It should exactly match the value of the E-mail address field above.
- Password: is the password associated with the email account.
- Incoming server:
- When using standard (non-SSL) settings, use mail.yourdomainname.com
- When using secure (SSL) settings, use the server’s hostname (host.yourdomainname.com)
- The default port numbers should not need to be changed unless you have configured your server to use non-standard ports. If you do need to configure mail on a different port, you can check the box next to Override default port and enter the appropriate incoming mail server value (POP3 should be 110 for non-SSL connections and 995 when using SSL; IMAP should be 143 for non-SSL connections and 943 when using SSL.)
- Check the box next to Use SSL to connect (recommended) for a secure connection.
- Outgoing server:
- When using standard (non-SSL) settings, use mail.yourdomainname.com
- When using secure (SSL) settings, use the server’s hostname (host.yourdomainname.com)
- The default port numbers should not need to be changed unless you have configured your server to use non-standard ports. If you do need to configure mail on a different port, you can check the box next to Override default port and enter the appropriate outgoing mail server value (25 for non-SSL connections and 465 when using SSL; Unlike many other mail clients, Outlook 2016 does not require you to use port 587 on Mac OS X).
- Check the box next to Use SSL to connect (recommended) for a secure connection.
- The More Options… button will allow you to configure authentication for the outgoing (SMTP) mail server:
- Authentication: Typically, Use Incoming Server Info is sufficient, but if you receive connection errors due to SMTP authentication, you may need to select User Name and Password. Do not select None; you will not be able to send mail if None is selected as the authentication type.
- User Name: This field can only be filled in if you use the User Name and Password authentication type. If enabled, it must be the full email address.
- Password: This field can only be filled in if you use the User Name and Password authentication type. If enabled, use the email account’s password.
Bonus: Select IMAP Folders to Sync
![2016 2016](/uploads/1/2/4/6/124636305/500007628.png)
By default, Outlook 2016 for Mac OS X will sync all IMAP folders. To specify which ones you want to sync, pull down under the Tools menu and select IMAP Folders… to bring up the Folder Browser.
In the Folder Browser, you will see a list of your accounts in the left pane.
- In the first pane, click on the IMAP account’s name
- In the second pane, click on INBOX (or the desired custom folder, if listed)
- In the third pane, click on the folder to which you want to subscribe or unsubscribe.
- Folders to which you already are subscribed will be displayed in bold type, while folders to which you are not currently subscribed will be displayed in a light-face font. Note that on some versions of Mac OS X, the distinction can be almost imperceptible.
- Clicking on the name of a folder to which you are subscribed will allow you to click the red ( – ) Unsubscribe button in the top-left menu, and clicking on the name of a folder to which you are not subscribed will allow you to click on the green ( + ) Subscribe button in the top-left menu.
- You can not unsubscribe to default account folders, such as Drafts, Junk, Sent, and Trash.
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Alphy Thomas | Modified: 2020-05-07T12:49:05+00:00 | Outlook, Tips|
“Help! I am using Mac Outlook 2016 and an outgoing message is stuck in its Outbox. After that, I am unable to send any other email message even, I am not receiving new emails. This is something I have never seen before and suspect might be unique for the Mac Outlook. Regardless, I have checked the most widely recognized reason, that the email is so large due to attachment and graphics. However, this is not the case here and it is not displaying the yellow exclamation mark or any error message. Is there any place in Mac Outlook where it may hold the error information about outlook 2016 for mac not sending or receiving emails?”
Third-party email applications, like Microsoft Outlook, use either IMAP/ POP3 and SMTP protocols to send and receive email messages. It requires so many things to align perfectly in order to work properly with an email account. There may several factors that can interrupt the normal working procedure of Outlook for Mac. In that case, users face a common issue i.e., Outlook for Mac not sending or receiving emails and ask for the solution to resolve it just like above-mentioned user-query. Well, before trying to fix the issue, one needs to identify the cause. Thus, in this technical paper, we have compiled some most probable causes of Outlook for Mac not sending or receiving emails issue along with the troubleshooting techniques. So, let us begin now to find solution to fix Outlook 2016 Mac not sending emails .
Instant Tips to Troubleshoot Outlook for Mac not Sending or Receiving Emails
There are top 6 reasons due to Mac Outlook 2016, 2011 not sending or receiving emails. We will discuss this issue sequently with their ultimate resolution.
#1. Outlook for Mac is in Offline Mode Resolution
If Outlook for Mac is offline then, you cannot send or receive email messages. Hence, make sure Outlook is online.
- Click on Outlook tab and verify that Work Offline option is unchecked
#2. Items from the Exchange Account Saved in Outlook cache.
If the cache gets corrupted then, it may occur synchronization issues with Exchange server. This issue generally occurs in Mac Outlook which interrupts the smooth working. Removing cache may help you to troubleshoot Outlook for Mac not sending or receiving emails.
Resolution: Empty Outlook cache so that Outlook for Mac can download all data items from the Microsoft Exchange account once again. Below are the steps for same:
Important: Below guidelines will delete all the information that is not synchronized with Exchange server, including the contacts’ mail certificate. Removing cache replace the contents of a folder with the latest data items from MS Exchange server. Thus, before deleting the cache, make sure that your Mac Outlook data is backed up.
- Verify that your PC is connected to Exchange Server
- Next, in the navigation pane, press the CTRL button and hit a right-click on Exchange folder from which you want to remove the cache, and click on Properties
- Now, from the General tab, hit Empty Cache button
- After emptying the cache, Mac Outlook will automatically start downloading the data items from the Exchange server
Also Read:How to Troubleshoot Out For Mac Not Downloading Attachments?
#3. Outlook is Not Linked With Server Running Exchange Server
Resolution: To check the Microsoft Exchange server connection, follow below-mentioned steps:
- In your Mac Outlook application, click on Tools tab and select Accounts to fix Outlook for Mac not sending or receiving messages
- Navigate to Exchange account that is situated in the left-side of pane. In case, if there is an issue with the connection then, the indicator icon will become orange in color
- If you are connected to the account successfully before then, just try to connect with it from any other
- Exchange application like Outlook on the web. Also, one can check the Exchange Server via connecting the Exchange Server administrator
Also Read:How to Troubleshoot Mac Outlook not Syncing With Exchange Server?
#4. POP and IMAP Accounts Requires Authentication
POP and IMAP accounts are utilizing the outgoing mail (SMTP) server, which requires authentication.
Resolution: Few email services require the authentication for SMTP server. If you are sure that all your account settings are accurate and still you cannot send emails then, try to turn on the SMTP authentication.
- Go to the Tools tab and click on Accounts
- Now, in the left pane of Accounts wizard, choose the account
- In the Outgoing Server section, click on More Options
- Next, in the pop-up menu, choose the type of authentication and enter the credentials
Also Read:How to Archive Emails in Mac Outlook 2016, 2011?
#5. The ISP or Network Firewall Blocks Connections to SMTP Server
Resolution: Check that if your ISP/ network admin can give an optional SMTP server to use for the POP or IMAP account.
- In case, if you already have the address of an alternate SMTP server then, enter it in the account
- Click on the Tools tab and select Accounts
- Now, in the left-side of Accounts wizard, choose the account
- In Outgoing Server box, enter server name or address
Important: If you are using a laptop in different locations then, the SMTP server that you are using in one location may not work in the other locations. Every Internet connection you use might have a firewall with its personal restrictions.
#6: Account Settings or Credentials are Incorrect
Resolution: Make sure that the username, password, and all other settings are accurate in the account preferences section. Follow below mentioned steps to quickly fix Outlook for Mac not sending or receiving emails.
- Click on the Tools tab and select Accounts option
- In left pane of Accounts box, select the account
- Eventually, verify that you have entered the right username, password, and email address
- If still, your account does not work properly then, contact your email service provider for more details about
- how to configure the account in Mac Outlook application. It is also possible that your account may need some special settings like SSL (Secure Socket Layer) for connecting or you have been override the default port.
Also Read:How to Rebuild Mac Outlook 2016 Database?
Conclusion
If your Outlook for Mac not sending or receiving emails then, some solutions have been discussed in this article to resolve this issue. Well, most of the email difficulties users came across becomes related to the wrong or expired password, incorrect connection settings or due to a misbehaving email application. If no solution works for you then, try to remove your email account from the local machine completely. After that, re-add it and if you are using the Exchange or IMAP account, you will not lose your emails after doing that.
Frequently Asked Questions
Why am I unable to send emails in Outlook for Mac?It is because there might be a communication problem between Mac Outlook and outgoing mail server. This is the reason your emails get stuck in Outbox and Outlook is not able to connect with the mail server to send it.
I can receive email but not able to send any message, Why?The most likely possible reason behind this is incorrect SMTP authentication setting. The server will reject the email with a relay denied. And, this generally means that your SMTP authentication is disabled. So, to deal with this issue it is advised to turn on SMTP authentication.
Outlook 2016 Cannot Start Microsoft Outlook
How to fix Outlook for Mac is1. Make sure that Mac Outlook is online
2. Deleting cache might be helpful
3. Check MS Exchange Server and Outlook Connection
4. Turn on SMTP Authentication
2. Deleting cache might be helpful
3. Check MS Exchange Server and Outlook Connection
4. Turn on SMTP Authentication
Outlook Cannot Log On
How to delete cache items from Exchange Server folder?Outlook 2016 Outlook Cannot Logon
1. First of all, make sure that your PC is connected to MS Exchange Server
2. After that, press CTRL button in the navigation pane and right-click on the Exchange folder from where you want to delete cache files
3. Then, click on the Properties
4. Now, click on the Empty cache button from the General tab
5. After followingabove steps , Mac Outlook will automatically begin downloading the data items from the Exchange server
2. After that, press CTRL button in the navigation pane and right-click on the Exchange folder from where you want to delete cache files
3. Then, click on the Properties
4. Now, click on the Empty cache button from the General tab
5. After following
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