In the simplest terms AuthSMTP is an outgoing SMTP email server, it can be used to send email from any program, application or device that can connect to an SMTP server and authenticate with a username and password.
There are some key differences from the SMTP server that your ISP may provide:
- You can send from all of your email addresses without changing any settings, if you can receive email to the address you can send from it using our service More Info »
- AuthSMTP is authenticated on a username and password so you can use it from almost all Internet connections including your home or office cable / broadband, mobile connection or public Wifi
- We actively monitor and maintain the reputation of our service to help prevent your email being blacklisted, rejected or filtered
- AuthSMTP is custom designed for sending email so the performance and availability may be significantly greater than the generic SMTP servers provided by Internet Service Providers.