Click Tools -> Accounts from the top menu bar.
Below are some basic instructions on how to do this on a variety of popular e-mail clients, if your specific program is not listed below, you will need to contact the author of your e-mail client for specific instructions on configuring an alternate SMTP port.
Once you have installed this site application, you will need to configure your e-mail client to use the new alternate port. Configuring your Mail Client to Use an Alternate Port If your connection hangs, fails, or returns something other than then your ISP IS blocking or redirecting port 25 to their own server. At the command line prompt, type telnet 25.At the $ sign prompt, type telnet 25.How to Check if your ISP blocks SMTP Windows Users com (if outside the NYC area, please call your local Road Runner Support team) (either of the three depending on your location). You can also use the How to Check if your ISP blocks SMTP guide found at the bottom of this page. Ultimately, the most reliable way of knowing whether your ISP is blocking port 25 is to contact them directly and ask.
While this list is a good starting point, it is far from complete and is prone to change over time. Some ISPs Known to Block Port 25īelow is a list of some of the major ISPs that are known to block port 25. If this is the case, installing this site application, and configuring your e-mail client to use the alternate port will allow you to use your own custom domain name e-mail addresses. In other words, you can only use their SMT server if you have your reply address set to your ISP based e-mail address, not your custom domain name address. However, sometimes an ISP will not allow e-mail to be sent through their SMTP server with a different domain. If they are, you can probably send outgoing mail through their outgoing mail servers (contact your ISP to find out what outgoing mail servers you need to use). is not responding or not found, contact your ISP to find out whether they are blocking port 25. If you are getting error messages when you try sending mail which state something to the effect that smtp. Unfortunately, a side-effect of this practice is that it prevents users from accessing our SMTP servers. Some Internet service providers (ISPs) have recently started blocking the standard sendmail port (25) to help prevent direct to MX spamming, and abuse of open proxies/relays from their dialup and broadband clients.
Why Would I Need to Install This Site Application? Installing Setup SendMail on an Alternate Portįor installation instructions, please click here.