Microsoft Outlook 2016 - Default Port - Setup Guide

Important Points

  • First you need to make sure the address(es) you will be sending from have been authorised on your account in our Control Panel
  • These instructions assume your email account has already been setup and is collecting email correctly.
  • Take a note of any settings you change
  • Only change the items specified - you should not need to change your incoming settings
  • These instructions are only for Microsoft Outlook 2016 - for other email programs please see How To Setup AuthSMTP
  • We have instructions for both default SMTP port and alternate SMTP port configurations - alternate port is generally used if your ISP blocks the normal port 25 SMTP access (as many do these days!)

Step One

  • To open Outlook 2016 click in the search bar in the bottom left-hand corner of your screen, type 'outlook' and then click on the program when it is displayed
Outlook 2016 - Step 1 - Open Outlook 2016 - Click on icon

Step Two

  • Go to the 'File' tab
Outlook 2016 - Step 2 - Go to the File tab

Step Three

  • Go to 'Info' in the left-hand column
  • Click on 'Account Settings'
  • Click the drop-down button titled 'Account Settings...'
Outlook 2016 - Step 3 - Click Account settings

Step Four

  • Select your email account from the list
  • Click the 'Change...' button
Outlook 2016 - Step 4 - Click the Change button

Step Five

  • Change the 'Outgoing mail server (SMTP)' to the SMTP server we supplied with your signup email, this is typically ''
  • Click the 'More Settings...' button
Outlook 2016 - Step 5 - Change outgoing mail server to AuthSMTP's and then click More Settings

Step Six

  • Select the 'Outgoing Server' tab
  • Tick 'My outgoing server (SMTP) requires authentication'
  • Select 'Log on using'
  • Enter the AuthSMTP username and password we supplied when you signed up
  • Tick the 'Remember password' option
  • Click 'OK'
Outlook 2016 - Step 6 - Go to the Outgoing Server tab, tick outgoing server requires authentication and enter your AuthSMTP username and password

Step Seven

  • Select the 'Advanced' tab
  • Ensure the 'Outgoing server (SMTP)' port field is set to '25' which is the default SMTP port
  • Click 'OK'
Outlook 2016 - Step 7 - Go to the Advanced tab and set the SMTP port to 25

Step Eight

  • Click the 'Next >' button
  • In the next window click 'Finish'
  • In the 'Account Settings' window click 'Close'

Step Nine

  • You should now be back to the main Outlook 2016 screen
  • Close Outlook 2016 and then reload
  • Check you are online then test to ensure you can send mail correctly
  • All done!