I have not managed a connect yet, but did find signs of life using PSK250 on 10146 (centre freq)
IS0(RB-3:72 Pskmail_Server_0.8.1-10148KHz-Sardinia (Fldigi 3.10 baYIn 400uWB5CON:72 Pskmail v.0.8 00cC56DL:1024 PI4TUE:27200uDK4XI-0:72 INTERMAR PSK>APe Seems that the FL-Digi waterfall pointer really jumps around at PSK250, AFC seems to catch it though.