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- Document: FSC-0053
- Version: 002
- Date: 08-Dec-92
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- Specifications for the ^aFLAGS field
-
- Joaquim H. Homrighausen
- 2:270/17@fidonet or joho@ae.lu
-
- December 8, 1992
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- Status of this document:
-
- This FSC suggests a proposed protocol for the FidoNet(r) community,
- and requests discussion and suggestions for improvements.
- Distribution of this document is unlimited.
-
- Fido and FidoNet are registered marks of Tom Jennings and Fido
- Software.
-
-
- Purpose
-
- To explain and document the existing usage of the ^aFLAGS field used
- by many software packages, including FrontDoor, TosScan, and
- D'Bridge. And to inform software authors of its proper usage.
-
-
- Prologue
-
- One of the problems with the FTS-1 (stored) message format is its
- limitations in regards to message attributes. Several bits are used
- (reserved) by SEAdog, another by several packers and editors - even
- though most mailer authors don't support them, they remain. One
- reason would be backward compatibility with older software.
-
- Unfortunately, this presents a problem for software authors that
- would like to pass extended message attributes for use and handling
- by other software.
-
- Some software packages have been using an alternate method called
- "FLAGS" which is 7-bit ASCII placed behind <SOH>FLAGS somewhere near
- the beginning of a message. The various flags will now be described.
-
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- Flags
-
- The FLAGS string should be placed somewhere near the beginning of
- the message text, and is preceeded by a <SOH> (^a) character. There
- is no need to support all or any of the below mentioned flags.
-
- If flags are stripped when a message passes through a system, all
- relevant and correct FTS-1 status bits should be updated to indicate
- the original contents of the FLAGS field.
-
-
- Flag Brief Long description
- --------------------------------------------------------------------
- PVT Private Indicates that the message may only be read
- by its addressee and author.
-
- HLD Hold Message should be held for pickup by its
- destination system.
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- CRA Crash High-priority mail.
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- K/S Kill/Sent Remove message after it has been success-
- fully sent.
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- SNT Sent Message has been successfully sent (used
- for message without Kill/Sent status).
-
- RCV Received Message has been read by its addressee.
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- A/S Archive/Sent Place message in "sent mail" archival
- system after it has been successfully sent.
-
- DIR Direct Message must be sent directly to its
- destination and may not be routed.
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- ZON Zonegate Send message through zonegate (if
- possible).
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- HUB Hub/Host-route Host- or Hub-route message (as
- appropriate).
-
- FIL File attach Message has one or more files attached to
- it.
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- FRQ File request Message has one or more file requests in
- subject field.
-
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- Flag Brief Long description
- --------------------------------------------------------------------
- IMM Immediate NOW!-priority mail. Send at first
- opportunity, override any transmission
- restrictions enforced by events, costs, or
- qualification.
-
- XMA Xmail Message has alternate form of compressed
- mail attached.
-
- KFS Kill file Remove attached file(s) after they have
- been successfully sent. Only valid for file
- attach message.
-
- TFS Truncate file Truncate attached file(s) to zero length
- after they have been successfully sent.
- Only valid for file attach message.
- Primarily used by Conference Mail
- processors.
-
- LOK Lock Prevent message from being processed.
- This includes sending, deleting,
- purging, and editing.
-
- RRQ Receipt REQ When the mailer/packer at the message's
- final destination unpacks the message, it's
- asked to generate a receipt to the author
- of the message that indicates that the
- message arrived at its final destination.
-
- CFM Confirm REQ When message is read by its addressee, a
- Confirmation Receipt should be generated to
- the author of the message.
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- HIR HiRes FAX: Hi-Resolution image.
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- COV CoverLetter FAX: Cover sheet.
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- SIG Signature FAX: Signature.
-
- LET LetterHead FAX: LetterHead.
-
- | FAX Fax image The filename specified in the message's
- | subject field contains a fax document that
- | should be viewed using software capable of
- | doing so.
-
-
- Flag Brief Long description
- --------------------------------------------------------------------
- | FPU Force pickup Treated as a message with an IMM flag. This
- | instructs the mailer to keep calling the
- | destination system, if the connection is
- | aborted for some reason, until a valid "End
- | of files" signal is received (i.e. no more
- | files remain to pick up).
-
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- Notes
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- Xmail is related to the ARCmail 0.60 standard as adopted by the FTSC.
- The exception is that any type of compression method may be used and
- the naming convention isn't necessarily limited to that of the
- ARCmail 0.60 standard.
-
-
- Epilogue
-
- Feedback would be appreciated and can be sent to me at the addresses
- specified on the title page. Please send feedback via netmail.
-
- --- end of file "fsc-0053.001" ---
-