You can have up to 6 additional email accounts in Comcast besides your primary account. Sign on to your primary account and click on the Users & Settings tab at the top of the page. You should see a link in blue underneath your user name that says Create Secondary User.
Causes of Yellowing Leaves. Common causes of yellow leaves on tomatoes include cool soil, age-related death of the lower leaves and a myriad of nutritional deficiencies including nitrogen, boron, potassium, iron and magnesium. Leaves may also yellow when affected by fusarium wilt, bacterial wilt or verticillium wilt.
Regardless of the issue, whenever there are yellow leaves on tomato plants, it warrants a thorough check as to what the problem could be. You never know what you will run across, and it could be detrimental not only to your tomato plants with their yellow tomato leaves, but to the rest of your garden as well.