sub imap_append {
my ($mic, $folder, $bref, $smsg, $eml) = @_;
$bref //= \($eml->as_string);
- $smsg //= bless { }, 'PublicInbox::Smsg';
+ $smsg //= bless {}, 'PublicInbox::Smsg';
+ bless($smsg, 'PublicInbox::Smsg') if ref($smsg) eq 'HASH';
$smsg->{ts} //= msg_timestamp($eml // PublicInbox::Eml->new($$bref));
my @f = map { $IMAPkw2flags{$_} } @{$smsg->{kw}};
$mic->append_string($folder, $$bref, "@f", $smsg->internaldate) or