Update User Profile Email Address through Powershell

You may come up with requirement to update User Email address in SharePoint, you can use below script to do so:

$user = Get-SPUser -Identity <domain\user-id> -Web <”Web Application URL”>
$user | Select UserLogin,DisplayName,Email

Set-SPUser -Identity <domain\userId> -Email <email-id> -Web <”Web Application URL”>

Example:
$user = Get-SPUser -Identity “corp\mnj” -Web http://contoso.com:1111/
$user | Select UserLogin,DisplayName,Email

Set-SPUser -Identity “corp\mnj” -Email “mnj.plwl@contoso.com” -Web http://contoso.com:1111/