I. Intro

An email alias is an alternative email address that is associated with your email account. In Feishu Mail, you can use an email alias when you send an email to a recipient. This lets you hide your real name and primary email address from recipients. 

II. Steps

Method 1: Click your profile photo and go to Settings > Email. Under Manage senders, click Set Up Now to open the Email address management window.

Method 2: When composing an email, click the arrow icon next to your email address and select Manage Senders to open the Email address management window.

After you open the Email address management window, click Add email address. Enter a name and select an email address to use. Then, click Confirm. 

Notice: To select a different email address to use, your administrator must add business email aliases. To learn more, visit Admin | Add business email aliases for members. 

Now, when you compose an email, you can click the arrow icon next to your email address to view and switch to an email alias you've added. 