Error install spamassassin on Debian 7

[x_fire69@yahoo.com]

Hi,

I have run into a problem trying to install spamassassin.

sudo apt-get install amavisd-new spamassassin clamav-daemon

Failed to fetch http://ftp.debian.org/debian/pool/main/libl/liblwp-protocol-https-perl/liblwp-protocol-https-perl_6.03-1_all.deb Size mismatch E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?

I have tried every of this options and no results. I have installed Debian 7 from multiple sources, DVD, Cd and network. Same result every time. Any ideea?