TCP/IP SMTP User Exits Support APAR PQ14324 VM TCP/IP ... - IBM

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REXX Parameter ListInputsTable 6. Mail Forwarding REXX Exit Parameter ListArgumentARG(1)ARG(2)ARG(3)ARG(4)ARG(5)ARG(6)DescriptionParameter list defined as follows: Exit type Version number Mail record ID Port number of SMTP server IP address of SMTP server Port number of client IP address of client Filename of note on disk Verify Client status Maximum length of Return StringSMTP command stringHELO nameMAIL FROM stringClient domain nameNot usedOutputsThe following are returned to the caller in the RESULT variable via a REXX RETURN statement:┌────────┬─────────── ─ ─ ─────────────────┐│ RC │ Return String │└────────┴──────────── ─ ─ ────────────────┘ArgumentRCReturn StringDescriptionThe exit return code; this must be a 4 byte numeric value.An exit-specified string; the returned value must have a length less than or equal to themaximum length passed to the exit.Mail Forwarding Exit 20
ASSEMBLER Parameter ListNote: General Register 1 points to the parameter list.Table 7. Mail Forwarding ASSEMBLER Exit Parameter List.Offset inDecimalLen In/Out Type Description+0 4 Input Char Exit type+4 4 Input Int Version number+8 4 Input Int Mail record ID+12 4 Input Int Port number of SMTP server+16 4 Input Int IP address of SMTP server+20 4 Input Int Port number of client+24 4 Input Int IP address of client+28 4 Input Int Address of SMTP command string+32 4 Input Int Length of SMTP command string+36 4 Input Int Address of HELO name+40 4 Input Int Length of HELO name+44 4 Input Int Address of client domain name+48 4 Input Int Length of client domain name+52 4 Input Int Address of MAIL FROM string+56 4 Input Int Length of MAIL FROM string+60 8 Input Char File name of note on disk+68 4 Input Int Verify Client status+72 4 Output Int Address of Return String+76 4 Output Int Length of Return String+80 4 Input Int Maximum length of Return String+84 8 Not used+92 4 Input/ Char User Word 1Output+96 4 Input/ Char User Word 2Output+100 4 Output Int Return code from exitParameter DescriptionsExit typeA four-character field used to indicate the type of exit called. For the mail forwarding exit, this will beFWDX.Version numberThe parameter list version number; if the parameter list format is changed, the version number willchange. Your exit should verify it has received the version number it is expecting. The currentversion number is 1.Mail record IDA number that uniquely identifies a piece of mail so that multiple exit calls can be correlated to thesame piece of mail. A value of 0 indicates a mail record ID is not available.Port number of SMTP serverThe port number used by the SMTP server for this connection.IP address of SMTP serverFor the REXX exit, a dotted-decimal format IP address is provided; for the assembler exit, this is an IPaddress in decimal integer form. For multi-homed hosts, this address can be compared with the clientIP address to determine in which part of the network the client host resides.Mail Forwarding Exit 21
Page 1 and 2: IBM®TCP/IP SMTP User Exits Support
Page 3 and 4: BackgroundAs the use of e-mail has
Page 5 and 6: ►►──QUIT──────
Page 7 and 8: SMTP Commands ExitIn addition to th
Page 9 and 10: Client Verification ExitIt is somet
Page 11 and 12: When this entry is processed, the f
Page 13 and 14: Because an identical exit parameter
Page 15 and 16: ASSEMBLER Parameter ListNote: Gener
Page 17 and 18: Table 4. Client Verification Exit R
Page 19 and 20: EXITIndicates a mail forwarding exi
Page 21: Table 5. Mail Forwarding Exit - Sam
Page 25 and 26: User Word 1Provided for use by the
Page 27 and 28: SMTP Commands ExitThe SMTP server c
Page 29 and 30: EXPNIndicates the exit routine is t
Page 31 and 32: VRFYIndicates the exit routine is t
Page 33 and 34: REXX Parameter ListInputsTable 10.
Page 35 and 36: Port number of clientIf the connect
Page 37 and 38: Table 12. SMTP Commands Exit Return
Page 39: ►►──SMSG──server_id─

TCP/IP SMTP User Exits Support APAR PQ14324 VM TCP/IP ... - IBM

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