CodeTwo Base.title

Logon error

Problem:

When trying to log in to the Admin Console of CodeTwo Email Signatures for Office 365, you get an error similar to the one below:

Error occurred during logon. Try logging in again. An error occurred while sending the request. The remote server returned an error: (407) Proxy Authentication Required.

Solution:

It looks like the program cannot connect to the CodeTwo Email Azure Service. The connection might be blocked by your firewall or other applications. Please make sure that HTTPS connections are open for the following hosts:

  • central-emailsignatures-cloud.codetwo.com
  • eu-emailsignatures-cloud.codetwo.com (if you selected the North Europe datacenter)
  • us-emailsignatures-cloud.codetwo.com (if you selected the North Central US datacenter)
  • uk-emailsignatures-cloud.codetwo.com (if you selected the UK South datacenter)
  • au-emailsignatures-cloud.codetwo.com (if you selected the Australia East datacenter)
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