The line assigning mailbody is wrong. You're calling the contents of $body and/or $body1 as a shell command line.

Replace

mailbody=$([ "$applicationstatus" == 200 ] && $body || $body1)

With

[ "$applicationstatus" = 200 ] && mailbody="$body" || mailbody="$body1"

The line assigning mailbody is wrong. You're calling the contents of $body and/or $body1 as a shell command line.

Replace

mailbody=$([ "$applicationstatus" == 200 ] && $body || $body1)

With

[ "$applicationstatus" = 200 ] && mailbody="$body" || mailbody="$body1"

The line assigning mailbody is wrong. You're calling the contents of $body and/or $body1 as a shell command line.

Replace

mailbody=$([ "$applicationstatus" == 200 ] && $body || $body1)

With

[ "$applicationstatus" == 200 ] && mailbody="$body" || mailbody="$body1"

The line assigning mailbody is wrong. You're calling the contents of $body and/or $body1 as a shell command line.

Replace

mailbody=$([ "$applicationstatus" == 200 ] && $body || $body1)

With

[ "$applicationstatus" = 200 ] && mailbody="$body" || mailbody="$body1"