Hi, i'm so new for this stuff
Question :
1. i dunno what to put in curl? fyi I'm using 1and1.com, any idea ?
2. I'm trying to setup osCommerce with Authorized.net, all i have to do is just to put login ID, transaction key, and MD5 right ?
3. how to test it to know it works ?
4. what's the diff between SIM and AIM ? and which one is right for me ?

thx b4 guys