Disable SMTP Authentication on Outlook

Edited by Jefrey Matias, Joely, Lynn, Eng and 2 others

When you are using Outlook on your computer at home or at the office, your Outlook account will be set up with a username and password for your incoming mail server and outgoing mail server. Once you decide to leave your home or office with your computer and try to connect to someone else's internet, you may notice that while everything appears normal, responding to emails is not possible as Outlook keeps asking you to log in to your server. This is because the Internet connection you have connected to, is not recognizing your username and password for your outgoing mail server account. To solve this issue, you need to disable your SMTP Authentication."

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Disabling Your SMTP Authentication

  1. 1
    Once you are on the Outlook application, click on "File."
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  2. 2
    Under "File," click on "Account Settings."
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  3. 3
    Under "Account Settings," highlight the email account you are using and click on "Change."
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  4. 4
    Look for the "More Settings" button and click it.
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  5. 5
    Once on "More Settings" screen, go to the "Outgoing Server" tab.
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  6. 6
    Uncheck the box that says "My Outgoing server SMTP." This requires authentication, so click "OK."
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  7. 7
    Now you should be able to send email.
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Tips Tricks & Warnings

  • If removing SMTP Authentication does not resolve your issue, and you still can't send emails, contact the Internet administrator to get the SMTP mail server information, and then configure it in your Outlook account.

Questions and Answers

I'm looking for a client that doesn't require SMTP authentication?

Gmail doesn't seem to have an option to turn it OFF.

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I wanted to disable authentication for my SMTP server?

There is no SMTP user name and password.

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I'm trying to disable my STMP authentication, as it is not letting me receive emails.

How do I get to outgoing server/incoming details. When I try your guideline it doesn't show an outgoing tab. Is it because I am using exchange?

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I get emails bounced back. When I contacted our email provider they said I had to remove the required authentication?

How do I do that? I found instructions that say I have to find the distribution list but I don't know how to do that.

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Article Info

Categories : Software

Recent edits by: Mrittika, Eng, Lynn

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