Will a Custom Domain block e-mails sent to original domain?
If I make a custom domain, will I still receive e-mails that are addressed to my AppleID using the .mac; .me; and .icloud domain?
1) appleid@me.com;
2) appleid@mac.com;
3) appleid@icloud.com;
-or-
4) appleid@customdomain.com
Will I only be able to receive at the custom domain? Thereby having to update all parties which use the original (1-3) domains?