Are e-mail addresses case sensitive?
Question
Are e-mail addresses case sensitive?
Answer
If uncertain if an e-mail address is case sensitive it is safe to assume it is not.
Typically most Internet Service Providers (ISPs) and e-mail servers are not case sensitive, which means SUPPORT@computerhope.com is the same as support@computerhope.com. However, the first portion of an e-mail address (alias/username/group) can be case sensitive. This means if the server is case sensitive, logins SUPPORT, Support, support, and SUPport would all be considered different users and each of those users would have different e-mail addresses.
Additional information
- See the e-mail definition for further information and related links.