How Can I Authenticate SMTP Mail Sent from PHP?

SMTP Authentication with PHP Mail

Sending outbound SMTP mail from PHP can require authentication, especially for ISP accounts that mandate a username and password. However, the PHP mail() command inherently lacks support for authentication.

To resolve this issue and enable authentication when using php.mail(), consider the following options:

• PHPMailer:

  • A popular open-source class that seamlessly offers authentication support.
  • Refer to the PHPMailer tutorial for guidance.

• PEAR:

  • Another robust framework that provides mail authentication capabilities.
  • Explore the PEAR tutorial for implementation details.

• Custom Functions:

  • It is possible to implement custom functions that handle authentication.
  • Check out various solutions in the notes section of the PHP mail() manual.

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