Ports 25 and 53 Blocked Print

  • 53

We block traffic associated with two ports, 25 and 53, that are typically associated with network attacks, (usually by unknowingly infected/hijacked user PCs and laptops). That means it will be difficult for you to operate an outbound mail server or a domain name server from behind a residential Internet access subscription. There is a workaround at the server level for the Port 25 issue, and perhaps the Port 53 issue as well. If this is a problem please open a Help Desk Ticket and we can discusss it. Thanks!

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