+ # check valid mail adresses
+ foreach (qw(email_sender_sales_quotation email_sender_request_quotation email_sender_sales_order
+ email_sender_purchase_order email_sender_sales_delivery_order email_sender_purchase_delivery_order
+ email_sender_invoice email_sender_purchase_invoice email_sender_letter email_sender_dunning
+ global_bcc)) {
+ next unless $defaults->{$_};
+ next if $defaults->{$_} =~ /^[a-z0-9.]+\@[a-z0-9.-]+$/i;
+ push @errors, t8('The email entry for #1 looks invalid', $_);
+ }