Gmail Webmail - Remote SMTP Server - Setup Guide

Important notes about Gmail

  • Before proceeding please login to the AuthSMTP Control Panel and enable SSL on your account.
    • Due to the way Gmail's systems work you need to have SSL enabled on your account to be able to send emails
    • If you do not, any emails you send may not reach us and you may not get an error message
  • You cannot use AuthSMTP to send email from your Gmail address using Gmail's webmail
  • You cannot use AuthSMTP to send email using Gmail's webmail from a domain name that has it's email services hosted by Google


  • You need to make sure the email address(es) you will be sending from have been authorised for your account in our Control Panel
  • These instructions assume your email account has already been setup in Gmail and is collecting email correctly
  • Make a note of any settings you change
  • Only change the items specified - you should not need to change anything else in your Gmail account
  • These instructions are only for Gmail - for other email programs please see How To Setup AuthSMTP or contact us

Step One

  • Login to your Gmail account
  • Click the 'Cog' icon in the top right-hand corner of the Window and then click 'Settings'
  • Go to the 'Accounts and Import' tab
Gmail - Step 1 - Login to Gmail and click Settings in the right corner of the page

Step Two

  • Click on 'Add another email address you own'
Gmail - Step 2 - Click Add another email address you own

Step Three

  • Enter your name
  • Enter the email address that you wish to send from
    • You will need to make sure you have authorised this email address on your AuthSMTP account
  • Untick the option to 'Treat as an alias'
  • Click 'Next Step'
Gmail - Step 3 - Enter the name and email address you wish send from through AuthSMTP's outgoing servers

Step Four

  • Enter the SMTP server included in your AuthSMTP confirmation email (typically '')
  • Leave the 'Port' as 587
  • Enter your AuthSMTP username and password
  • Tick 'Secured connection using TLS'
  • Click 'Add Account'
Gmail - Step 4 - Enter the AuthSMTP outgoing mail server, change the SMTP Port to 587, enter your AuthSMTP username and password and then click Add Account

Step Five

  • Check the inbox of the email address you are trying to register for the verification email
  • Enter the code when requested and click 'Verify' to complete the process
Gmail - Step 5 - Check your email and enter the verification code to validate your email address, you can now send your email through the authenticated outgoing email relay service.

Step Six

  • You will now see the new sender account listed under the 'Send mail as' section
Gmail - Step 6 - Gmail SMTP setup complete - compose message.
  • Now when you compose a new message you will have the option to change the from address
  • All done!