Online free email verification,verify email address exist,check email address

On this page you can online verify email address, it's verify if an email address exist. It's real full process of e-mail verification starting from checking/validating email for syntax, and finishing with connecting to email server with verify your e-mail address request. Check email address as usual going from 1 sec up to 20 sec.
Who it's working? This tool split email address to two part (by char @), second part - it's domain name, the next step - resolve all MX and A records for this domain, after this tool trying to init process of sending email to this user.
Notice: php email verification tool working in debug mode (specially for our users) - you can see all actions that going (email server connection, sending headers, ...)

Not for all email servers possible to do free reverse email lookup for exist, because lots of servers using special conditons for deny email transfer, for example aol.com using it's own verify list of senders.