I am working on a migration from 2010 to 2013 and have setup a development farm. I need a way to disable all outgoing emails or have all emails go to me. I have searched but can not find anything on disable emails. Does anyone know how I can do this?

  • 1
    Wouldn't change the outgoing email-server to something else work, or am I reading your post to literally? Commented Jun 9, 2014 at 18:20
  • That worked perfectly, I just had to remove the mail server from the list of servers within the farm. Thanks
    – Grady D
    Commented Jun 9, 2014 at 18:23
  • Glad to hear that :) Commented Jun 9, 2014 at 18:25

2 Answers 2


I know, one method which i used in my test farm. Basically i remove the all settings from the Outgoing email setttings from Web App.

For Single Web App:

  • Central Administration > Application Management > Manage Web Applications.
  • On this page click on the web application name then from ribbon Select the Outgoing email settings( if click drop down of General settings).
  • Now remove the Outbounf SMTP server name and other settings.

this will disable outgoing emails for the web application.

For the complete farm, you can remove the same setting

  • Central admin > System Settings > Configure outgoing e-mail settings.
  • On this page remove all the values.
  • 1
    As a side note this does not work if the mail server is listed under servers. This is what I tried but had to remove my mail server first.
    – Grady D
    Commented Jun 9, 2014 at 18:45

I had a scenario where I had to turn of mail for certain web applications but I did not want to disable outgoing mail totaly. It is a testfarm.

I used this script to set SMTP server for each Web Application with url that contains sp2010. Where "turnedOff" is a false smtpadress to make sure the webapplications does not use the default SMTP set for the farm.

$wa = Get-SPWebApplication | where {$_.url -like "*sp2010*"}
foreach($wp in $wa){
$wp | Set-SPWebApplication -SMTPServer turnedOff

or for simply 1 web application:

Set-SPWebApplication -Identity "http://someURL" -SMTPServer TurnedOff

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