php - Bulk Email Validator -

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i wish either make use of freely available email validator (software, script or online service). if not exist, there free php classes can make use of validate email addresses?

i have 100 emails , before send these emails check validity. don't want server blacklisted because of bounce backs.

please note, not looking a syntax checker. talking dns , smtp validation.

the ideal solution php script or can setup locally or on server.

thanks help

try running gethostbyname() on whatever after @ , if doesnt return ip, not valid dns


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