On the Notices tab in your profile settings you control which email messages you receive from Pollsar. All notifications are enabled and disabled with individual toggles.
To open this tab, click your avatar or nickname in the sidebar → Profile Settings → Notices tab.

Notices tab
At the top of the tab you will see the email address used for notifications — by default this is the address you provided during registration. You can replace it with a different one if you prefer to receive notifications on a separate mailbox.
Notifications are divided into three groups:
Some notifications are enabled by default. You can turn off the ones you do not need or enable additional ones at any time.