problems with gnupg-pgp

[engage]

On Wednesday 18 January 2006 02:44 pm, Nuno Donato wrote:
>hello
>
>i've recently installed gnupg to be able to communicate with some
>persons who are using PGP (i like free alternatives :)
>before installing i certified that both systems were compatible.
>i sucessfully created my private and public keys and we exchanged
>them. after that, i send a couple of test emails to another person
>using GPG, and we were able to encrypt and decrypt the message.
>however, i can not do the same with the PGP guys. when i try to
>decrypt the message i get an error saying something it is not a valid
>file...
>
>i checked some docs and faqs, and found out that to have compatibility
>the PGP version must be 5.x or higher.. they are using 8, so that is
>not a problem.
>what can i do to solve this? or to find out whats wrong..?
>
>thank you very much
>nuno donato
>

It's probably an IDEA issue. IDEA is not included with the standard issue of 
gnupg. You can get the IDEA from gnupg.org.