Currently RFC 5322 for addresses in the header and RFC 5321 for addresses in the envelope, unless you're using international (UTF-8) e-mail.
I was actually thinking of "validation" of the local part, where some web developers can't be bothered to read the syntax before deciding what characters the will consider valid. -- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 ________________________________________ From: IBM Mainframe Discussion List <[email protected]> on behalf of Paul Gilmartin <[email protected]> Sent: Tuesday, April 23, 2019 11:56 AM To: [email protected] Subject: Re: Mainframe Report meets abrupt end | Computerworld Shark Tank On Tue, 23 Apr 2019 15:38:53 +0000, Seymour J Metz wrote: >Metz's law: don't try to validate data unless you really understand and >communicate what is permissible. > >Take web forms that reject, e.g., valid e-mail addresses, valid ZIP+4.Please! > Striking example: "Seymour J Metz <[email protected]>" is a valid e-mail addrss (RFC 822?), and is fetched by the Copy command in MacOS Mail.app. Every web form I've tried rejects such, and I must strip it. But ignore the permissive clause of Postel's principle, please! -- gil ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
