Search results for: "duplicate emails"

Are there best practices for structuring email headers and bodies in PHP to ensure proper display of both text and image attachments?

When sending emails with text and image attachments in PHP, it's important to properly structure the email headers and bodies to ensure that both the...

What could be the potential reasons for receiving the error message "unexpected response 550 to RCPT TO command" when sending an email to an address within the same domain?

The error message "unexpected response 550 to RCPT TO command" typically indicates that the recipient email address is not valid or does not exist wit...

What are the potential pitfalls of using the mail() function for email sending in PHP?

One potential pitfall of using the mail() function for email sending in PHP is that it can be prone to abuse by spammers if not properly secured. To m...

What is the function of wordwrap in PHP and how does it work?

The wordwrap function in PHP is used to wrap a string to a certain number of characters per line. This is useful for formatting text in a way that fit...

What is the issue with the PHP code that only sends an email when a user accesses the page with Internet Explorer?

The issue with the PHP code that only sends an email when a user accesses the page with Internet Explorer is that it relies on user-agent detection, w...