6 Comcast Brand Guidelines > Logo Due to file size, the Comcast logo should not be included in email signatures. We can conserve email space and the costs associated with it by using the official Comcast email signature, sampled on this page. Email signature John Sample Director, Finance Comcast 353 N Gloster St Tupelo, MS 38801 Office: 123-456-7890 John Sample Director, Finance Comcast 353 N Gloster St Tupelo, MS 38801 Office: 123-456-7890 Sample email signature Do not include the Comcast logo in email signatures.