Pantech PG-C300 / C3

i recently purchased this phone with cingular(70 bucks)and iv been takin great pics that i wanted to send to my email but i cant figure out how i tryed opening mobile email yahoo mail and it ends up saying communication error.(20)Please try again later which i tryed 4 hours later my messenger dont work either or multimedia message any help would be appreciated 🙂 😁