You can use the Edit AutoSupport Settings dialog box to specify an e-mail address from which e-mail notifications are sent and add multiple e-mail host names.
Steps
1.
From the Home tab, double-click the appropriate storage system.
2.
In the navigation pane, click Configuration > System Tools > AutoSupport.
3.
Click Edit.
4.
Select a transport protocol for delivering e-mail messages from the drop-down list and specify the HTTP or HTTPS proxy for HTTP.
5.
Type the e-mail address from which e-mail notifications are sent, type a host name, and click Add.