https://bz.apache.org/SpamAssassin/show_bug.cgi?id=8046
--- Comment #5 from RvdH <ruud.vd.h...@gmail.com> --- I think something like this should/could work... check on X-ASN metadata for 4.x header ASN_EXISTS exists:X-ASN if (can(Mail::SpamAssassin::Plugin::ASN::has_check_asn) && ASN_EXISTS) add_header all ASN _ASN_ endif # has_check_asn -- You are receiving this mail because: You are the assignee for the bug.