Am having a problem with selecting users emails

this is my DB

DB

USERS

ID USERID EMAIL
1  XD4555 JOHNE@DEO.COM
2  JJKKKK JANE@DEO.COM
3  JJKKKK JANE21@DEO.COM

FUSERS

ID USERID USERID_IM
1  XD4555 JJKKKK
2  JJKKKK TYYUPPO

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my try 

my $AID = "XD4555";

my $query = $dbh->prepare("SELECT 
snd.EMAIL FROM 
FUSERS as m 
JOIN USERS as snd ON snd.USERID = m.USERID WHERE (m.USERID_IM = ?)");
$query->execute($AID);
my $user1 = $query->fetchall_arrayref();

my $query_other = $dbh->prepare("SELECT 
snd.EMAIL FROM 
FUSERS as m 
JOIN USERS as snd ON snd.USERID = m.USERID_IM WHERE (m.USERID = ?)");
$query_other->execute($AID);
my $user2 = $query_other->fetchall_arrayref();

my $TotalEmails = $user1 + $user2;

foreach my $em ( $TotalEmails ) {
    my $rez = join( ",", $em);
    print "$rez\n";
    }

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now this is the results am getting, its random generated

189822522692296

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this is the output i expect

email@email.com,
email@email.com

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In reply to Selecting DB by frank1

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