Getting garbled message body

LOOKS LIKE THIS:
begin 666 View your retirement savings statement online.htm
M/’ ^#0H)/&EM9R!SM+R]#4R]D:6=I=&%L7VUE9&EA+U-,1E]B86YN97)?-C P>#

M/CPOF4](C$B/E!L
M96%S92!A9&0@/&$@:’)E9CTB;6%I;'1O.E-U;E],:69E7T9I;F%N8VEA;$!E
M;6%I;"YS=6YL:69E+F-O;2(^4W5N7TQI9F5?1FEN86YC:6%L0&5M86EL+G-U

Hello Frank,

Do you have issues with all mails or with only one?
Please send this message to my email cooper@emclient.com as .eml attachment.
I will check what is causing this issue.