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.
The saliva causes yellowing tomato plant leaves, and often makes the veins turn purplish. The stems of the plant will take on a zig-zag appearance. Once the saliva has taken over the tomato plant, it is difficult to save. For best results, dust the leaves with sulfur as soon as you notice symptoms.
Fungal Infections. Fungal infections are the most likely culprits if your tomato plants have lower leaves that are beginning to wilt and die. The fungus typically flourishes in the moist heat of summer, just as the tomato plants are starting to fruit. Possible fungal infections include Fusarium wilt, early blight, late blight or Septoria leaf spot. Although these each present with different symptoms, all tend to affect the lower leaves first.