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What is the advantage of using wp_mail?
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Gmail treats mails from my domain as spam. Why? How to avoid it?
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How to validate an email address in PHP
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How do I pre-populate an email link with an html formatted email
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Stop cron from mailing the user
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Send email using the GMail SMTP server from a PHP page
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How can I prevent spam on sites which I control?
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How to send emails and avoid them being classified as spam?
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Can someone help me to send mail in PHP
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incoming mail just sits in the drop folder
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How do I send HTML formatted mail using PHP?
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How to avoid getting spam through a website?
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Fighting Spam - What can I do as an: Email Administrator, Domain Owner, or User?
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How can I send an email using PHP?
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PHP mail / PEAR mail
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send html email using php deliver message as html code