Hi Bagas, If possible, please try the patch I just sent out and let me know if it works for your situation. Thanks, Michael On 10/11/23 16:22, Michael Strawbridge wrote: > Move processing of email address lists before the sendemail-validate > hook code. This fixes email address validation errors when the optional > perl module Email::Valid is installed and multiple addresses are passed > in on a single to/cc argument like --to=foo@xxxxxxxxxxx,bar@xxxxxxxxxxx. > --- > git-send-email.perl | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) > > diff --git a/git-send-email.perl b/git-send-email.perl > index 288ea1ae80..cfd80c9d8b 100755 > --- a/git-send-email.perl > +++ b/git-send-email.perl > @@ -799,6 +799,10 @@ sub is_format_patch_arg { > > $time = time - scalar $#files; > > +@initial_to = process_address_list(@initial_to); > +@initial_cc = process_address_list(@initial_cc); > +@initial_bcc = process_address_list(@initial_bcc); > + > if ($validate) { > # FIFOs can only be read once, exclude them from validation. > my @real_files = (); > @@ -1099,10 +1103,6 @@ sub expand_one_alias { > return $aliases{$alias} ? expand_aliases(@{$aliases{$alias}}) : $alias; > } > > -@initial_to = process_address_list(@initial_to); > -@initial_cc = process_address_list(@initial_cc); > -@initial_bcc = process_address_list(@initial_bcc); > - > if ($thread && !defined $initial_in_reply_to && $prompting) { > $initial_in_reply_to = ask( > __("Message-ID to be used as In-Reply-To for the first email (if any)? "),