when added duplicate records in array

[GoogleCodeExporter]

What steps will reproduce the problem?
1. Added a 200 emails in array.
2. in array some records are duplicate
3. in this case all emails results displayed invalid.
4. how many mails will validate in bulk? any limit for passed in array? 
Duplicate emails solution?

What is the expected output? What do you see instead?
if i passed duplicate records then will display proper result instead of all 
emails are invalid.

What version of the product are you using? On what operating system?
using your smtp_validator class for one contact us form in core PHP site.


Please provide any additional information below.

Please suggest me
Thanks,
Krunal Darji

Original issue reported on code.google.com by [email protected] on 24 Feb 2014 at 5:33