Comcast email will not download on Iphone or IPad while connected to My parents WIFI in india, while gmail and icloud work fine

I am not able to download my Comcast email will not download on Iphone or IPad  while connected to My parents WIFI in India, while gmail and icloud work fine. I get Accout Error: Concast <username>. Details  and then when i click for details i get the error - 'Comcast <username> is currently unavailable.' super frustrating, I think I may need to move away from Comcast totally after cutting the cord from Cable.