When I send an email using mail() I can the emails from nobody (using outlook) and in some programs like AOL from Unknown and in Web Based Emails like Yahoo I get it Correct and in Outlook Express also correct How can I fix this problem ? After some tests I found out Nobody <nobody@servername> on behalf of myemail appears in Outlook Unknown@unknownserver appears in AOL My email appears correctly in Hotmail Yahoo Outlook Express and some others Web Based Clients .. The headers I rec. is : ---------------------------------------------------------------------------- ---- Return-Path: <[EMAIL PROTECTED]> To: [EMAIL PROTECTED] Subject: Test for Mail Function from AOL From: [EMAIL PROTECTED] Message-Id: <[EMAIL PROTECTED]> Sender: Nobody <[EMAIL PROTECTED]> Date: Tue, 14 Aug 2001 20:49:48 -0400 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - host14.hrwebservices.net X-AntiAbuse: Original Domain - abkareno.com X-AntiAbuse: Originator/Caller UID/GID - [99 99] / [99 99] X-AntiAbuse: Sender Address Domain - host14.hrwebservices.net How can I fix this problem ?