Hi, folks,

I'm wondering how to checking existence of a given
mail address like f...@bar.com .

At 1st I tried:

  if f (filter_var ($maddr, FILTER_VALIDATE_EMAIL) === false) {
    /* some sort of error handling code here */

where $maddr is the address to be checked.
But this checks only syntax.. :-(

Is there any other function which checks whether this
address really exists?

And, of course, I want to avoid sending a test mail just
for checking :-)

Many THX in advance for suggestions, pointers...

Dipl.phys. Rudolf Otto Bl├Ąttner,
D 91074 Herzogenaurach, Germany.

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