Dear Sir,
mera ek office hai aur kuch computers hein job though networking ek dosray se connected hein. aur computers per e-mail k liye eudora install hai jub kisi b computer se e-mail kiya hai to e-mail bounce back hoti hai. is ka koi hull bataein aur ye b batein k mein server mein kon sa antivirus install keron "windows server 2003" mein. kyon k server mein buhat ziyada virus a chukay hein