What is MailWizz? MailWizz is an email marketing automation system that allows users to build their own email marketing systems. It is a self-hosted solution, which means that it consists of two parts: the sender (SMTP service)...
Tag - phpmailer
There are a few things you can try to fix the “SMTP 4.7.0 relay access denied” error: Make sure you’re using the correct username and password to authenticate with the SMTP server. Check that your email client...