Can you have commas in email addresses

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Quick access. Search related threads. Remove From My Forums. Answered by:. Archived Forums. Don't use them in the local part. The use in an actual email address would preclude such a use. It is used by some mailing list servers to generate special addresses for detecting bounces.

A common usage is for defining sub-addresses. Example: The user 'joe' with the mail address 'joe example. Example: tarzan jungle. They are used in source routing , too.

Often used in mailing list addresses like list-request example. Do not use as first character in email addresses, because it might look like a command line option to typical UNIX programs like sendmail.

OK Allowed in email addresses. Often used for addresses with the format 'firstname. There is one restriction however: Two dots next to each other or a dot at the beginning or end of the local part are not allowed by RFC The reason is that in RFC the dot is used as a separator for tokenizing the mail address.

Dots at the named locations would mean an empty token, which is not allowed. Still, there are people who use it. Some MTAs accept it, some don't. Because the slash is used as a directory separator in UNIX and other operating systems, it is probably not a good idea to use it in local parts. If you ever want to save the mail in a mailbox named after the local part, you will have problems. Enter the email address you want to verify. Skip to content Technology News. February 2, Joe Dassin.

Can you use a semicolon in an email address? How do you use a colon and semicolon correctly? Do you use semicolons after a colon?