Magento Email id and name change from hard code

If you want to change default sender name and email id from magento, follow these steps :-

1 : Login in FTP and go to this path : app/code/core/Mage/Core/etc/

2 : Open file 'config.xml'
changed these lines :
 <trans_email>
            <ident_custom1>
                <email>custom1@example.com</email>
                <name>Custom 1</name>
            </ident_custom1>
            <ident_custom2>
                <email>custom2@example.com</email>
                <name>Custom 2</name>
            </ident_custom2>
            <ident_general>
                <email>owner@example.com</email>
                <name>Owner</name>
            </ident_general>
            <ident_sales>
                <email>sales@example.com</email>
                <name>Sales</name>
            </ident_sales>
            <ident_support>
                <email>support@example.com</email>
                <name>CustomerSupport</name>
            </ident_support>
        </trans_email>

Do this if you dont want to change any name.