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Is sending emails from WordPress secure?

Once integrating an SMTP mail server, sending emails from WordPress is as secure as any mailing client.

Do I need a paid subscription to use emails from WordPress?

No. However, you will need to pay for third-party mail server hosting.

How costly are paid email plugins?

It depends on which plugin you use; they can range anywhere from free to upwards of $50 per month.

How do I send SMTP mail without a plugin in WordPress?

To send SMTP emails without a plugin, you will need to make changes to your wp-config.php and functions.php files.

Can I send an email without SMTP?

Yes, using WordPress’s default PHP mail protocol.

Using this process, what errors might I have to troubleshoot in the future?

Due to the additional security features of SMTP, you may face the 550 error code. This is where
an email is undeliverable because the server has detected suspicious content.

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