| By Ian “Gizmo” Richards |
E-mail standards let you use characters other than letters and numbers in your addresses.
Unfortunately, various ISPs and webmail systems have differing rules governing which addresses are acceptable, making the whole area a bit of a mess.
E-mail address standards ignored by some ISPs
If you’ve ever sent an e-mail that’s gone missing, or if you failed to receive a message someone sent you, it’s possible that an invalid e-mail address was the culprit. The trick is in knowing a properly crafted address from an invalid one. This isn’t as easy a matter as it may seem.
Allow me to demonstrate with this quick test: Which of the addresses below is invalid?