is($r2->{2}->{'BODY[HEADER.FIELDS (MESSAGE-ID)]'},
'Message-ID: <20200418222508.GA13918@dcvr>'."\r\n\r\n",
'BODY.PEEK[HEADER.FIELDS ...] drops .PEEK');
is($r2->{2}->{'BODY[HEADER.FIELDS (MESSAGE-ID)]'},
'Message-ID: <20200418222508.GA13918@dcvr>'."\r\n\r\n",
'BODY.PEEK[HEADER.FIELDS ...] drops .PEEK');