nanog mailing list archives
Re: Programmers with network engineering skills
From: William Herrin <bill () herrin us>
Date: Mon, 12 Mar 2012 18:01:38 -0400
On Mon, Mar 12, 2012 at 5:32 PM, Owen DeLong <owen () delong com> wrote:
Whenever I've built code to check someone's email address on a form, I always just looked for the following: 1. matches ^[^@]+@[A-Za-z0-0\-\.]+[A-Za-z]$ 2. The component to the right of the @ sign returns at least one A, AAAA, or MX record.
Hi Owen, If I'm not mistaken, "B@M4N"@delong.com is a legitimately formatted email address which fails part one of your test. Something along the lines of @delong.com;bob@some.private.network is also supposed to be legit though it's been so long since I looked at it that I may have munged the format. No, I don't allow these in systems I've designed either. Just sayin'. Regards, Bill Herrin -- William D. Herrin ................ herrin () dirtside com bill () herrin us 3005 Crane Dr. ...................... Web: <http://bill.herrin.us/> Falls Church, VA 22042-3004
Current thread:
- Re: Programmers with network engineering skills, (continued)
- Re: Programmers with network engineering skills Randy (Mar 05)
- Re: Programmers with network engineering skills Mark Andrews (Mar 05)
- Re: Programmers with network engineering skills Jeroen van Aart (Mar 06)
- Re: Programmers with network engineering skills Lamar Owen (Mar 08)
- Re: Programmers with network engineering skills William Herrin (Mar 08)
- Re: Programmers with network engineering skills Carlos Martinez-Cagnazzo (Mar 12)
- Re: Programmers with network engineering skills Tei (Mar 12)
- Re: Programmers with network engineering skills Keegan Holley (Mar 12)
- Re: Programmers with network engineering skills Owen DeLong (Mar 12)
- Re: Programmers with network engineering skills Michael Thomas (Mar 12)
- Re: Programmers with network engineering skills William Herrin (Mar 12)
- Re: Programmers with network engineering skills Owen DeLong (Mar 12)
- Re: Programmers with network engineering skills Jeroen van Aart (Mar 12)
- Re: Programmers with network engineering skills Owen DeLong (Mar 12)
- Re: Programmers with network engineering skills Joe Greco (Mar 12)
- Re: Programmers with network engineering skills Mark Andrews (Mar 12)
- Re: Programmers with network engineering skills Joe Greco (Mar 13)
- Re: Programmers with network engineering skills Jimmy Hess (Mar 16)
- Re: Programmers with network engineering skills Jeroen van Aart (Mar 12)
- Re: Programmers with network engineering skills Aled Morris (Mar 13)
- Re: Programmers with network engineering skills Joe Greco (Mar 13)