Finely chop the tomatoes, peppers and onions and add to a large bowl with salt. Let stand for 30 minutes, then drain and rinse. In a large stockpot combine vegetable mixture with the remaining ingredients. Boil mixture for 5-7 minutes. Ladle into hot jars leaving 1/2" head space, wipe rims clean, seal and process in a water bath canner for 15 minutes.