# It can be redistributed and/or modified under the same terms under
# which Perl itself is published.
-our $VERSION = "0.6.2";
+our $VERSION = "0.6.3 (unreleased)";
################################# Configuration ################################
# Please fill in a working configuration!
# no MX record found; log and try A record(s)
} else {
print_dns_result($domain,'MX',undef,$resolver->errorstring,$logr);
- print(" Falling back to A record ...\n") if !($options{'q'});
- # get A record(s)
+ print(" Falling back to A record(s) ...\n") if !($options{'q'});
+ # get A record(s)
+ # may get CNAMEs instead ...
if (my $query = $resolver->query($domain,'A','IN')) {
- print_dns_result($domain,'A',$query->header->ancount,undef,$logr);
+ print_dns_result($domain,'A/CNAME',$query->header->ancount,undef,$logr);
foreach my $rr ($query->answer) {
+ if ($rr->type ne 'A') {
+ # report CNAMEs and don't add them to target list
+ if ($rr->type eq 'CNAME') {
+ printf (" ~ '%s' is a CNAME for '%s' and will be resolved accordingly. \n",$rr->name,$rr->cname) if !($options{'q'});
+ $$logr .= sprintf("- CNAME resolved: %s -> %s\n",$rr->name,$rr->cname);
+ }
+ next;
+ }
$targets{$rr->address} = 0;
$$logr .= sprintf("- %s\n",$rr->address);
};
SMTP dialog until just before the I<DATA> stage, i.e. doing I<EHLO>,
I<MAIL FROM> and I<RCPT TO>. If no MX is defined, B<checkmail> will
fall back to the I<example.org> host itself, provided there is at
-least one A record defined in the DNS. If there are neither MX nor A
-records for I<example.org>, mail is not deliverable and B<checkmail>
-will fail accordingly. If no host can be reached, B<checkmail> will
-fail, too. Finally B<checkmail> will fail if mail to the given
-recipient is not accepted by the respective host.
+least one A record defined in the DNS. CNAMEs will be accepted and
+resolved here. If there are neither MX nor A records for
+I<example.org>, mail is not deliverable and B<checkmail> will fail
+accordingly. If no host can be reached, B<checkmail> will fail,
+too. Finally B<checkmail> will fail if mail to the given recipient
+is not accepted by the respective host.
If B<checkmail> fails, you'll not be able to deliver mail to that
address - at least not using the configured sender address and from