JezK
Edit File: rfc5322.rl
%%{ # RFC 5322 Internet Message Format # https://tools.ietf.org/html/rfc5322 # # RFC 6854 Update to Internet Message Format to Allow Group Syntax in the "From:" and "Sender:" Header Fields # https://tools.ietf.org/html/rfc6854 machine rfc5322; alphtype int; include rfc5234_abnf_core_rules "rfc5234_abnf_core_rules.rl"; # 3.2. Lexical Tokens include rfc5322_lexical_tokens "rfc5322_lexical_tokens.rl"; # 3.3. Date and Time Specification include rfc5322_date_time "rfc5322_date_time.rl"; # 3.4. Address Specification include rfc5322_address "rfc5322_address.rl"; # 3.5. Overall Message Syntax #rfc5322_text = 0x01..0x09 | "\v" | "\f" | 0x0e..0x1f; #text = rfc5322_text | utf8_non_ascii; # RFC6532 for UTF-8 #obs_body = ((LF* CR* ((0x00 | text) LF* CR*)*) | CRLF)* #body = ((text{,998} CRLF)* text{,998}) | obs_body; #message = (fields | obs_fields) (CRLF body)?; # 3.6. Field Definitions # 3.6.4. Identification Fields obs_id_left = local_part; id_left = dot_atom_text | obs_id_left; # id_right modifications to support multiple '@' in msg_id. msg_id_atext = ALPHA | DIGIT | "!" | "#" | "$" | "%" | "&" | "'" | "*" | "+" | "-" | "/" | "=" | "?" | "^" | "_" | "`" | "{" | "|" | "}" | "~" | "@"; msg_id_dot_atom_text = (msg_id_atext+ "."?)+; obs_id_right = domain; no_fold_literal = "[" (dtext)* "]"; id_right = msg_id_dot_atom_text | no_fold_literal | obs_id_right; msg_id = (CFWS)? (("<" id_left "@" id_right ">") >msg_id_s %msg_id_e) (CFWS)?; message_ids = msg_id (CFWS? msg_id)*; # 3.6.7 Trace Fields # Added CFWS? to increase robustness (qmail likes to include a comment) received_token = word | angle_addr | addr_spec_no_angle_brackets | domain; received = ((CFWS? received_token*) >received_tokens_s %received_tokens_e) ";" date_time; # Envelope From ctime_date = day_name " "+ month " "+ day " " time_of_day " " year; null_sender = ('<>' ' '{0,1}); envelope_from = (addr_spec_no_angle_brackets | null_sender) >address_s %address_e " " (ctime_date >ctime_date_s %ctime_date_e); }%%