With regards to e-mail addresses:
A)hey must always contain an @ symbol
B)hey can never contain spaces
C)they are case-insensitive
D)all of the above

Question

Quizplus · Accepted Answer

E-mail addresses must contain an @ symbol to separate the local part from the domain part, cannot contain spaces, and are generally treated as case-insensitive, meaning that the capitalization of letters in the email address does not matter.

With Regards to E-Mail Addresses