How to Fix Outlook SMTP Error Code 550?

This error code is generally seen when the recipients are rejected by the outgoing server while you are using outlook to send email. It is the SMTP code 550 error given by outgoing server when outgoing mails are rejected due to the port settings of outgoing server are faulty and sever response would be 550 no local host and not a gateway found. In general port number 25 is reserved for outgoing emails.

If you are unable to set outlook for outgoing email server then you must follow our last post explains How to fix outlook not sending email problem. But if you receive an error code 550 which is an outgoing server error you can read methods explained below to treat the error code.

Outlook SMTP Error Code 550

Steps to Fix Microsoft Outlook Email Error 550:

Step1: Open outlook and select tools menu.

Step2: Now click on email accounts and select view and edit existing email accounts.

Step3: Now click on next and select the email account for which you want to edit settings.

Step4: Select change and click on it.

Step5: Now click on more settings associated to that email account.

Step6: Now select outgoing server tab and check whether my outgoing server authentication required is selected.

Step7: Make sure in options the settings would be same as for incoming server.

Step8: Click on next then on finish.

Call Outlook Support Number 1-844-707-3772 to Fix Outlook Server Error 550

If after going through all the steps given above Outlook is unable to send email you can call an expert. You can get in touch with Outlook professionals you can call Outlook email support phone number and get online help to fix the email sending problem. Our team of certified tech professionals is working here to take remote sessions online to fix Outlook error code 550 with best methods to fix the error.

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