The text you're seeing there comes from the X-Mailer header of the mail. In PHPMailer this can be defined with $mail->XMailer = "Your awesome mailer".
* PHPMailer - PHP email creation and transport...
v=spf1 ip4:618.104.22.1689 include:amazonses.com include:_spf.yandex.net ~all
Do you need to fix multiple SPF records on your domain?
SPF records are TXT type records starting with v=spf1. Multiple SPF records cause your emails to be rejected or filed as spam.
In this article, we’ll explain...
There is a MySQL postfix database and all postfix config are generally in /etc/postfix.
Most paths are stored in /etc/postfix/main.cf
# postfix config file
# uncomment for debugging if needed
# postfix main
mail_owner = postfix
setgid_group = postdrop
delay_warning_time = 4...