Symptoms
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Accessing the MailEnable SMTP service produces an error that the connecting IP address has been “denied access”.
530 mail.mailenable.com.au ESMTP MailEnable Service, Version: 0--1.1 denied access at 09/06/05 17:04:25
Connection to host lost.
Cause
The IP address of the inbound connection has the Denied Access setting selected in the SMTP Access Control properties of the MailEnable Administration program, or has been automatically banned because of too many subsequent invalid commands.
Resolution
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Log into the server via RDP.
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Navigate within the MaelEmable Administration console to the following location: Servers > localhost > connectors > SMTP , right click on SMTP and select Properties in the menu.
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Next navigate to the Inbound tab and click on Access control .
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Ensure that the Access control option is set to granted access and that the IP address of the incoming connection is not present within the Except those listed below window.
Additional Information
The incoming IP address can automatically be added to the inbound Access control list if the SMTP security connection dropping option is enabled.
The SMTP service will drop the connection when the failed number of commands or recipients is exceeded and add the IP address to the inbound Access control list.
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