How to configure user permissions to relay e-mail message through SMTP Service?

You need to configure the user permissions to relay e-mail messages through the SMTP service. Do the following steps:

  1. Click Start, click Run, type inetmgr or open Internet Information Manager from Control Panel > Administrative Tools, and then click OK.

  2. Expand ComputerName, and then right-click a valid SMTP virtual server.
    Note The placeholder ComputerName represents the name of the local computer.

  3. Click Properties. On the Security tab, add the user account as an Operator, which you want to relay e-mail message through SMTP Service.

  4. Close all dialog boxes, and then restart the SMTP service

  5. Now try to send the email. Hope now the e-mail messages will be relayed through the SMTP service

Comments (3)
  1. Kris says:


     Wondering if this scenario is possible – I have an ISP account who have given me permission to make use of their SMTP server to publish my newsletter. I would like to configure the Virtual SMTP server that comes with IIS to talk to my ISP’s SMTP server and send out the newsletter email. My program will only talk to the local Virtual SMTP server. Is this possible? Where can I find information to set up the same. I have all the details from my ISP.




  2. Deva [MSFT] says:

    Yep, this is possible.

    You need to have ISP details including your authetnicated account name, password along with ISP’s IP with relay permissions so that we can send email. To configure your incoming and outgoing connections to IIS SMTP Server you can get more details from the following support KB:

    Also you can refer:

    Hope this helps.


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