Validating and tracking email addresses

There are acknowledged standards for what constitutes a valid email address.

These are defined in the Request For Comments documents (RFCs) written by the lords of the internet.

Most likely she'll say “Oh yes, silly me” and correct it. Sadly, many websites won't let you register an address with a plus sign in it.

Occasionally a user might say “Damn right that's my email address. Better register the account before you lose a customer, even if it's not a . This is great for registering with websites because you can see if they've passed your address on to somebody else when email starts arriving addressed to the unique address you gave to the website (e.g. Not because they are trying to defeat your tracking strategy but just because they are crap.

Actually, it is very useful because it makes the email validation really stealth and invisible!

The bold strings above with the codes 250 and 550 report if the email address is still valid.

Atomic Email Verifier is fully integrated with other Atomic e-marketing tools.

To validate email AMV establishes the connection to the remote mail server and starts the dialog.One of the most important reasons why consumers want to verify, validate and check an email address is to determine of email where you would like to send your message is "dead" or not.By validating and verifying emails you can clean list from "dead" mail addresses and prevent undeliverable e-mail messages error into your mail box.If you are a business and routinely send emails to customers, you can also determine whether email addresses are no longer in use or valid.When checking an email address it's important to understand the information contained in the email header.

They've copied a broken regular expression from a dodgy website and they are using it to validate email addresses.