An image of the sender's avatar or company logo can be displayed beside each email address in the email list screen and also in the display email screen.
The Contact Avatar Icon is enabled in the email appearance section of the app preferences. View. Open the sender section to can change the settings to display the avatar icon for verified senders and known senders.

You can choose to only show the icon for known email senders and also validated email senders. More

The contact icon is collected from various sources, starting with your contact address book and then web searches. This icon search may take a short time to show icons for new email senders.

You can copy the contact icon image in the email details screen - Contact section. View. Do a long tap on the contact avatar icon to copy it.
The contact image will also be added to your address book for new contacts in the details screen.