Port 25 can sometimes cause problems while you are working remotely. Many hotels and other facilities intercept mail being sent to any mail server on port 25 and redirect it through their own mail server. They can also impose a cap on the amount of email that you send.« Back to Glossary Index
Leo A. Notenboom has been playing with computers since he was required to take a programming class in 1976. An 18 year career as a programmer at Microsoft soon followed. After "retiring" in 2001, Leo started Ask Leo! in 2003 as a place for answers to common computer and technical questions. More about Leo.