When trying to send mail through the SMTP server, an error message is generated in the e-mail client indicating that the server cannot be found or the server terminated the connection. Certain ISPs (noteably SBC and Earthlink) block outgoing mail that is not sent through their servers.
One pound of fat is equal to about 3500 calories. That means that if you eat an extra 350 calories of food a day, which is about equal to a large piece of cake or a medium milkshake, you would gain an extra pound about every 10 days (350x10). Or you would gain a pound in about 20 days if you eat or drank an extra 175 calories a day (175x20).
Learn to Count Calories to Lose Weight. Experts estimate that if you consume approximately 3,500 excess calories you will gain one pound. So to lose one pound, you need to create a calorie deficit. You need to decrease your caloric intake by 3500 calories or burn an extra 3500 calories. You can also combine both methods to reach the correct calorie deficit.