Using Your Own Email Relay Servers

If you would like to use your own relay mail servers, then you will need to first contact your account manager.

If you decide to proceed, you'll need to provide us with the following information to get this configured:

                Hostname/IP: smtp.company.com / ip

                Port: 25/465/587

                Username: if applicable

                Password: if applicable

                SSL: Yes/No

                Member ID: We will need the account number to apply this to, in most cases it is the master account.

Also, you should tell us if you want to allow all sub-users to use this configuration.

You may need to whitelist our servers that will be sending the emails:

  • st1.smartsrv.co.uk / 185.234.36.244
  • st2.smartsrv.co.uk / 185.234.36.245
  • w1.smartsrv.co.uk 185.234.36.224
  • w2.smartsrv.co.uk 185.234.36.225
  • w3.smartsrv.co.uk 185.234.36.226
  • w4.smartsrv.co.uk 185.234.36.227
  • w5.smartsrv.co.uk 109.108.131.186
  • w6.smartsrv.co.uk 109.108.131.187

​You will need to add the domain server to the account, but will not need to configure our SPF/DKIM since you'll be using your own servers, so our support team can verify your domain manually without this step.

Please note: After setup the email tool will appear to users exactly as before, with all the same functionality, apart from one exception. If you do use your own mail server, our systems will no longer know if an email sent has bounced, so all undelivered invites will be marked as "Pending" regardless if it failed to send or not.

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