This is also happening in the latest release as well. We have a pair of FP2110s in appliance mode and running multiple contexts in HA and seeing emails from both serial numbers.
Cisco Adaptive Security Appliance Software Version 9.14(2)13 <context>
SSP Operating System Version 2.8(1.144)
Device Manager Version 7.15(1)150
SCH Notification from XXXXXXXX-active-environment-critical-2021-03-19 17:26:36 GMT-04:00
SCH Notification from XXXXXXXX-standby-environment-critical-2021-03-19 18:09:12 GMT-04:00
Voltage:
-----------------------------------
Channel 1: 0.000 V - Critical (12V_STBY)
Channel 2: 3.316 V - OK (3.3V_STBY)
Channel 3: 12.146 V - OK (12V)
Channel 4: 5.050 V - OK (5.0V)
Channel 5: 3.301 V - OK (3.3V)
Channel 6: 2.504 V - OK (2.5V_C)
Channel 7: 1.202 V - OK (1.2V_C)
Channel 8: 3.329 V - OK (3.3V_A2)
Channel 9: 1.706 V - OK (1.7V)
Channel 10: 1.303 V - OK (1.3V)
Channel 11: 1.055 V - OK (1.05V)
Channel 12: 2.486 V - OK (2.5V_A)
Channel 13: 1.203 V - OK (1.2V_A)
Channel 14: 0.601 V - OK (0.6V_A)
Channel 15: 1.504 V - OK (1.5V_A)
Channel 16: 3.314 V - OK (3.3V_A1)
Channel 17: 1.786 V - OK (1.8V_IN)
Channel 18: 2.508 V - OK (2.5V_B)
Channel 19: 0.850 V - Critical (0.9V)
Channel 20: 0.908 V - OK (0.9V_B)
Channel 21: 1.512 V - OK (1.5V_B)
Channel 22: 1.189 V - OK (1.2V_B)
Channel 23: 0.595 V - OK (0.6V_B)
Channel 24: 1.802 V - OK (1.8V)
Channel 25: 0.989 V - OK (1.0V_S)
Channel 26: 1.009 V - OK (1.0V)
Channel 27: 12.154 V - OK (12V_IN)
With no work around the only way I see to not haveto deal with this is turn off call home. I don t want to do this so lets get a work around.