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Outlook Cannot Connect to the Outgoing Email Server – Perfect Solution

Lindsey Smith ~ Modified: 12-May-2022 ~ 4 Minutes Reading
Outlook Cannot Connect to the Outgoing Email Server

Are you looking for a way to fix Outlook cannot connect to the Outgoing email server, then you are landed on the right page. Here we are going to discuss some methods to fix this same. So, keep reading the blog and choose the method as per your requirement.

MS Outlook is a flourishing email client application with periodic development and new highlighting features. Outlook Users are sending and receiving emails with the help of Exchange server connectivity as objects in a data model.

But while message exchange, users are facing errors and it is necessary to handle the root cause of Outlook connectivity to an e-mail server error.

Error Code: 0x80042109 – “Outlook Cannot Connect to the Outgoing Email Server”.

Problem Scenario       

While using Outlook for sending a message, it is necessary to connect to a server using a secure RPC or HTTPS connection. When the server connectivity request fails, an error is generated i.e “Outlook Cannot Connect to the Outgoing Email Server”. Usually, in this case, it is preferred to contact your Server Administrator or Internet Service, Provider. But this is not an exact solution.

Outlook Cannot Connect to the Outgoing Email Server

Why Outlook is not connecting to the Outgoing Email Server Reason behind It?

Various causes responsible for the occurrence of the error are:

  • Inappropriate Server connection, due to poor internet service. Wait till the internet connectivity improves.
  • There is a possibility that Outlook account settings are Incorrect.
  • At the time of connectivity, the mail server is temporarily unavailable.
  • At the time of connectivity, the mail server is temporarily unavailable.
  • The last situation can be corruption i.e when the PST file (that is to be shared) is damaged or corrupted.
  • Installation of any highly secured anti-malware that interferes with any System connection.

How to Fix this Error – Multiple Solutions

The error can be solved by various methods to fix the problem.

Solution 1: Ensure that email settings are correct

Make sure that the outgoing server SMTP option is enabled. You can check and select the option as follows:

  • Select “Account Settings” from the “Tool” menu and choose the “POP3 account” option.
  • Click on the “Change” button.
  • Here you can check all the account details like name, email address, and incoming and outgoing mail server field.
  • Enable the “My outgoing server (SMTP) requires authentication” option.
  • From Advance settings, enable “This server requires an encrypted connection (SSL)” followed by “Ok”.

Solution 2: Reinstall Outlook in your system

Due to improper installation, the “Outlook Cannot Connect to the Outgoing Email Server” error is faced by the user. Therefore after reinstalling the application, try sending the email again. If the process is successful then the error was caused by Outlook Application.

Solution 3: Disable antivirus if installed in the system

Anti-virus can also affect Outlook activities and to ensure that it is disabled:
Go to task manager (shortcut key: Ctrl + Alt + Delete) and confirm no Antivirus activities are processing at the backend. 

Solution 4: Repair Corrupted PST File

As we know that corrupted PST is also the reason for Outlook Cannot Connect to the Outgoing Email Server issue. And Scanpst only repairs minor corruption so in that case, you can use Outlook Data File Repair Tool.

This tool is well capable to repair corrupted PST in a few clicks and also helps to recover deleted files from Outlook. The tool is well designed and developed so that anyone can use this tool without the help of experts.

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Final Words

For troubleshooting the “Outlook Cannot Connect to the Outgoing Email Server” error, the user can pursue any of the above methods according to the situation. But after applying all the manual techniques and you still facing the issue, then there is a chance that your Outlook PST is corrupted. So, in that case, you can go with the automated solution mentioned above. This automated solution is completely safe and secure for users.