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• Are Email Addresses Case Sensitive?

  Author: Will Moody

  Published: Jul 15, 2019

  Tags that this post has been filed under.

  • Tags:
  • #Email
  • #Address
  • #Case
  • #Sensitive

  According to RFC 2821, the local mailbox (the portion before @) is considered case-sensitive. However, e-mail addresses are not usually case-sensitive because of the difficulties and confusion it would cause between users, the server, and the administrator.