<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><div style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;">Solved,</div><div style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;"><br></div><div style="font-family: 'times new roman', 'new york', times, serif; font-size: 16px; color: rgb(0, 0, 0); background-color: transparent; font-style: normal;">I declared theese options in</div><div style="font-family: 'times new roman', 'new york', times, serif; font-size: 16px; color: rgb(0, 0, 0); background-color: transparent; font-style: normal;"><br></div><div style="background-color: transparent;">sources:</div><div style="background-color: transparent;"> Calabria_UTM33:</div><div style="background-color: transparent;"> type: wms</div><div style="background-color: transparent;"> req:</div><div
style="background-color: transparent;"> url: http://myhostname/cgi-bin/mapserv?map=/home/wert/DEV/Regione_CentroControllo/MapServer/mapfile_calabria_base.map</div><div style="background-color: transparent;"> layers: Calabria_UTM33</div><div style="background-color: transparent;"> transparent: true</div><div style="background-color: transparent;"><br></div><div style="background-color: transparent; color: rgb(0, 0, 0); font-size: 16px; font-family: 'times new roman', 'new york', times, serif; font-style: normal;">obviously mapserver was configured with RGBA mode.</div><div style="background-color: transparent; color: rgb(0, 0, 0); font-size: 16px; font-family: 'times new roman', 'new york', times, serif; font-style: normal;">Thank you mapproxy :)</div> </div></body></html>