Can I connect to the IP address of your SMTP relay server?
We very strongly recommend you only connect to our service using the standard SMTP hostname:
mail.authsmtp.com
If your email application absolutely does not allow a server hostname and only allows an IP address to be specified please use:
62.13.128.189
IMPORTANT: Although it is unlikely we would need to change this IP address - it is possible - if you have any problems please contact us.
Are you having a problem sending email or looking for a reliable SMTP server?
AuthSMTP is the outgoing SMTP email service for your e-commerce website, mailing list or email program.
It works on most current computers or devices and solves many of the common problems with sending email such as relaying denied errors or blacklisting issues.
With instant setup, a money back guarantee and very low cost starter accounts you can test and start sending email in minutes with no risk.
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