Enable SMTP Authentication for Email Client

When setting up email address automatically, this doesn’t go through the steps like authenticating your email address when sending out. This is not wrong however, there could be issues that you may encounter in the long run.

After the automatic set up, you may go through your settings to check your authentication. The list below are email clients that usually gets this trouble:

• Outlook 2013, 2016, 2019
• Mac Mail
• Thunderbird

Outlook

These steps are applied to much recent versions of Outlook just like Outlook 2013, 2016, and 2019:

1. Click File
2. Under Account Information, click Account Settings. On the drop-down click Account Settings
3. On the pop-up, select the email address, and click Change…
4. Click More Settings button on the POP and IMAP Account Settings
5. Click Outgoing Server tab, check the box for “My outgoing server (SMTP) requires authentication” and make sure “Use same settings as my incoming mail server” is selected.
6. Click Advanced tab, make sure the incoming and outgoing port numbers and encryption are correct.
7. Click OK to save.

Mac Mail

These steps are applied to Mac users with OS from Mac OS Sierra, High Sierra, and Catalina:

1. Click Mail menu and select Preferences.
2. Select the email address you’re doing changes with and click Server Settings
3. On Outgoing Mail Server (SMTP) section, uncheck box “Automatically manage connection settings”.
4. Check port number and encryption are correct, and select Password for Authentication.
5. Click Save.

Thunderbird

These steps are applied to both Windows and Apple users:

1. Click your email address on the left, under Accounts, select View settings for this account.
2. Click Server Settings under your email address.
3. Under Security Settings click the drop-down box and select Password.
4. Click OK.

Click on the guided link for more details on how to set up your email address on desktop or mobile devices.