MicrosoftÂ® OutlookÂ® can run out of rules space if you are connected to Microsoft ExchangeÂ® Server (including Office 365). This problem does not happen if you are not connected to Microsoft Exchange. Note that Microsoft Exchange 2007 and higher have a limit of 64k, with the ability to increase that to 256k.
Cook the brisket, well covered with foil, until it's tender enough that you can easily slide the tines of a fork into the meat and twist off a mouthful. Depending on the size and thickness of your piece of brisket, that might take as little as 3 to 4 hours, or as long as 8 hours.
Checking the Temperature While Smoking. To achieve the best results, I cook the beef brisket at 225 degrees for about 1 hour and 15 minutes per pound. The time per pound is strictly a guide and cooking times wil actually vary.