mda: support aliased addresses

This mimics functionality found in -learn.  Originally the design
allowed for only one address per-list, but when migrating/hijacking
existing mailing lists, having multiple addresses map to the same
inbox is useful.

1 files changed, 4 insertions, 3 deletions

diff --git a/t/precheck.t b/t/precheck.t
index 974d6a38..89564097 100644
--- a/t/precheck.t
+++ b/t/precheck.t
@@ -12,9 +12,6 @@ sub do_checks {
 
         my $f = Email::Filter->new(data => $s->as_string);
 
-        ok(PublicInbox::MDA->precheck($f, undef),
-                "ORIGINAL_RECIPIENT unset is OK");
-
         my $recipient = 'foo@example.com';
         ok(!PublicInbox::MDA->precheck($f, $recipient),
                 "wrong ORIGINAL_RECIPIENT rejected");
@@ -26,6 +23,10 @@ sub do_checks {
         $recipient = 'c@example.com';
         ok(PublicInbox::MDA->precheck($f, $recipient),
                 "ORIGINAL_RECIPIENT in Cc: is OK");
+
+        $recipient = [ 'c@example.com', 'd@example.com' ];
+        ok(PublicInbox::MDA->precheck($f, $recipient),
+                "alias list is OK");
 }
 
 {