Best SMTP Services for PHP
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Compare the Top SMTP Services that integrate with PHP as of November 2025
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This a list of SMTP services that integrate with PHP. Use the filters on the left to add additional filters for products that have integrations with PHP. View the products that work with PHP in the table below.
What are SMTP Services for PHP?
SMTP services and SMTP relay services enable organizations to send emails, including bulk emails to customers and users from their website. SMTP service providers provide an SMTP server that can be hosted or used on-premise so websites can send emails and ensure high deliverability of emails and mass email campaigns. Mail transfer agent (MTA) services are part of SMTP services. Compare and read user reviews of the best SMTP services for PHP currently available using the table below. This list is updated regularly.
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Bit SMTP
Bit Apps
Many site owners face the spam mail problem for using the WordPress default PHP mail function. There may be some restrictions when it comes to mail service: sometimes emails are not delivered, sites cross the limit of outgoing mail. Bit SMTP plugin allows you to authenticate the mail service of your site by configuring the SMTP server of your desired mail service. SMTP is a protocol that helps your WordPress site make its email deliverability more easygoing & reliable. By enabling this feature, you can send mail from your site to your recipients via your preferred mail server.
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