Removing the “On Behalf Of” Message from Outlook

Microsoft Outlook users who want to prevent Outlook from showing “X on behalf of Y” to the recipient can download our free Outlook add-on here, uncompress it, and run the setup.exe application.

Microsoft Outlook users who want to send e-mails from different e-mail addresses have to configure each account separately with their respective e-mail services configuration. If these e-mail addresses are really just forwarding addresses this is overkill. Some e-mail clients, like Mozilla Thunderbird, use “identities” for this purpose, while Microsoft Outlook offers an inadequate solution. In Outlook users can enable the selection of the e-mail address from which the e-mail will be sent (Options/Show From in the compose window) but the recipient is notified of the original account. For example, if chooses to send their e-mail as the recipient will see the message “ on behalf of”. This is annoying because users who represent more than one organization or hold more than one position prefer to show only one e-mail address.

Our Outlook add-on is simple to use. It adds an “activate” state button in the compose window in the “on behalf remover” ribbon. If this option is selected recipients will not see the “on behalf of” message.

There are two caveats:

  1. Although e-mails are not received as “on behalf of” if the recipient inspects the e-mail headers internally it includes two e-mails in the “from” header and the same two in the “sender” header. This reveals the original account from which it was sent. If this is an issue you can use a default generic account like to hide it.
  2. This plugin works for sending e-mails via an SMTP server. Microsoft Exchange uses a different protocol.
  3. The add-in is not currently handling appointments. If you need this option just drop us a line in the comments.

Related Services

  1. Outlook 365 Plugin Development
  2. Reverse Engineering Services
  3. Application Packaging Services
  4. Data Loss Prevention Solution Development
  5. Custom Software Development Company

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