What Is A SMTP Server?
The simple version is that a SMTP server handles the process of sending and receiving e-mails.
The simple version is that a SMTP server handles the process of sending and receiving e-mails.
It could be anything from an ISP blocking the port(s) on which SMTP works to incompatible authentication. Using our recommended server will help.
Yes, free, reliable and trackable with paid scalable options depending on how much e-mail you intend to send.