PHP Classes

What is the best PHP email address validation class?: Check if an email address exists

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What is the best PHP email address validation class?

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Picture of Segun Olateju by Segun Olateju - 9 years ago (2015-09-16)

Check if an email address exists

This request is clear and relevant.
This request is not clear or is not relevant.

+6

I need a PHP and AJAX script to check if email address exist on gmail, Yahoo and other domains.

  • 1 Clarification request

  • 1. Picture of Alpesh Koyani by Alpesh Koyani - 5 years ago (2019-07-18) Reply

    test

    Ask clarification

    1 Recommendation

    PHP Email validation: Determine if a given e-mail address is valid.

    Class that may be used to determine if a given e-mail address is valid. It features:

    - Simple validation just by looking at the e-mail address string
    - Validation of the domain against a list of known domains that are often misspelled (typos) like those of Gmail.com, Hotmail.com, Mail.ru, Ntlworld.com, Rediffmail.com, Rocketmail.com, Yahoo.com, Yandex.com, etc.
    - Provides did you mean like suggestions for email addresses that were entered with typos
    - Validation of domain against a list of typical fake domains like test.com, testtest.com, asd.com, asdf.com, etc..
    - Validation of the email address domain against a list of of known domains for being used as disposable email addresses or temporary domains
    - Manual whitelisting of domains to avoid trigger false positives of invalid domains
    - Validation of the e-mail address domain checking the DNS MX record (mail exchange)
    - Validation of a e-mail address by connecting to the mail host server to determine if there is really a deliverable mail box by simulating part of the message delivery process.
    This recommendation solves the problem.
    This recommendation does not solve the problem.

    +5

    Picture of Manuel Lemos by Manuel Lemos package author package author Reputation 26695 - 9 years ago (2015-09-21) Comment

    This class can perform email validation by several methods, including simulating a delivery attempt to the destination SMTP server.

    It may not be sufficient for some cases of servers that accept all messages and only bounce them later but it can help you detect many invalid addresses including some that the user typed incorrectly.

    Here is an article explaining how the email validation works.

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