What is alert 8204?


A remote POP3 client has attempted to connect to GMS but there are already too many POP3 sessions. Therefore this request to connect has been rejected. By default, GMS will allow upto twenty simultaneous connections. There are several reasons why all sessions may be in use:

  • Too many clients are connected to the server;
  • Clients are connected longer than usual because there are a large number of users downloading email over slow Internet connections;
  • Someone is trying to connect to your system malicously in order to use all your resources and prevent legitimate users access.

In this particular case the connection from the IP address Undefined was rejected by GMS with

-ERR Busy  please try later

If you wish to allow more simultaneous connections, you can increase the number of connections in GMS session control.

See Also:


Keywords:NAT POP3 Busy 8202

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GMS has been configured to refuse connections from POP3 clients connectinging to the IP address Undefined. Therefore it has returned an error telling the client that they are forbidden.

In this case session Undefined refused a connect from the POP3 client at Undefined which was attempting to connect to the IP address Undefined with the response

-ERR Forbidden  you are not allowed to use this server

If this client should be allowed access to the server, you will need to change the configuration of the server. The system variable POPCheckAccept controls this behaviour, enabling it causes the server to only accept connections on IP addresses that are associated with domains set up within GMS

See Also:


Keywords:POP3 forbidden POPCheckAccept 8204

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