What is Port 25 blocking?
Port 25 blocking prevents spammers from sending masses of unauthorized junk e-mail. Port 25 is the port, or connection, on your computer through which outgoing e-mail must pass.
Due to an increase of complaints about spam (Internet junk mail) and computer viruses sent via outgoing e-mail messages, as of December 3, 2003, Frontier has blocked all SMTP SMTP
When you are exchanging email on the Internet SMTP is the computing technology that keeps the process orderly. SMTP allows emails to be sent outbound via the Internet or a network of computers. Emails are retrieved on the inbound side by one of two protocols POP POP
One of two forms of technology that allow your computer to retrieve email messages from the Internet or a network of computers. The other newer protocol is IMAP IMAP
One of two forms of technology that allow your computer to retrieve email messages from the Internet or a network of computers. The other older protocol is POP Post Office Protocol. Outbound messages are sent with SMTP Simple Message Transport Protocol. Instant Message Access Protocol. Outbound messages are sent with SMTP Simple Message Transport Protocol. Post Office Protocol or the newer IMAP IMAP
One of two forms of technology that allow your computer to retrieve email messages from the Internet or a network of computers. The other older protocol is POP Post Office Protocol. Outbound messages are sent with SMTP Simple Message Transport Protocol. Instant Message Access Protocol. (port 25) traffic over our network from Frontier High Speed Internet customers (with dynamic IPs) that is not sent through Frontier outgoing mail servers (smtp.frontier.com). We apologize for any inconvenience this may cause.
This change only applies if you have a dynamic IP address. If you have Frontier Business Class High Speed Internet (or SDSL) and a static IP address, your outgoing e-mail will not be affected by this change.
If you have been affected by this change, please change your outgoing mail server to the following:
smtp.frontier.com
You might also have to configure your e-mail program to authenticate to our outgoing mail server. For instructions on how to do so, please visit our SMTP Authentication web site.
Note: Some customers telecommuting from home may be unable to send e-mail using their companies' e-mail systems. For your own security, we suggest establishing a secure connection via an application such as VPN, in order to utilize the outgoing mail server for your place of business.
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