This is a mailing form developed using php. Emails are stored in email.txt file. Using the newsletter form, letters will be sent to all emails listed in the emails.txt file.
The subscribers form can be used to add subscribers, which will be recorded into the email.txt file.
This mailing app can be used in almost any php application. Feel free to use it.
To use the PHP mail() function, PHP requires an installed and working email system. The program to be used is defined by the configuration settings in the php.ini file. -w3schools