Specify the Reply To email address for your site.
N4 validates the email address format and accepts only the email addresses that are entered in the '[email protected]' format (for example: [email protected]). N4 does not accept an email address that:
Does not contain the '@' symbol.
Contains more than one '@' symbols.
Contains a period (.) either at the start or at the end of the user name, or immediately following the '@' symbol.
Contains any other letters or symbols except a-z, A-Z, 0-9, period (.), or underscore (_) in the user name.
Contains any other letters or symbols except a-z, A-Z, or 0-9 in the company name (the string that follows the '@' symbol).
Has a Domain name shorter than two characters (for example: [email protected]).
Has a Domain name ending with a numeric domain identifier (for example: [email protected]).
N4 allows you to use an apostrophe anywhere in the recipient's name in an email address, such as O'[email protected].