Showing two 1x1 Pixel image at the bottom of Mail to track opens.

Hi Team,
We're getting two 1x1 pixel image at the bottom of the mail source..

<div style=3D"text-align:center;margin-top:50px;font-size:11px;"><a href=3D=
"https://app.domain.in/campaigns/fr781er83y765/track-url/ab013wwlx4dfc=
/28162006dd4288ced1f437c06b2e2b1cd5ed22b5">Unsubscribe</a></div>

<img width=3D"1" height=3D"1" src=3D"https://app.domain.in/campaigns/f=
r781er83y765/track-opening/ab013wwlx4dfc" alt=3D"" />
<img width=3D"1" height=3D"1" src=3D"https://app.domain.in/campaigns/f=
r781er83y765/track-opening/ab013wwlx4dfc" alt=3D"" />
</body>
</html>
 
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