You can change the location of reply or forward so it will insert below or above the quoted text. (Thunderbird user? Read below)

1. Open the WiseStamp editor
2. Click "Settings" and go the "Signature Insertion" tab.
3. Check / uncheck the "Signature Position"

The process for Thunderbird users is as follows:

1. Open the WiseStamp editor
2. Click "Settings" and go the "Signature Insertion" tab.
3. Click the link under "Signature Position" (It will lead you to Thunderbird's Account Settings >> Composition & Addressing )
4. Select your positioning "Place my signature: below my reply (above the quote)"