That's because you are not attaching the zip file. You need something like (empty lines are significant):
MIME-Version: 1.0 Content-type: multipart/mixed; boundary="simple boundary" Content-Transfer-Encoding: binary ... arbitrary text ----simple boundary Content-type: APPLICATION/ZIP CONTENT-DISPOSITION: ATTACHMENT; FILENAME=TEST.ZIP Content-Transfer-Encoding: binary zipped file -- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 ________________________________________ From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of Sasso, Len [0000039db7f8412a-dmarc-requ...@listserv.ua.edu] Sent: Wednesday, April 27, 2022 12:28 PM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Send an email with a Zip file as an attachment? If I specify either: CONTENT-TYPE: APPLICATION/ZIP; BOUNDARY="SIMPLE BOUNDARY" CONTENT-DISPOSITION: ATTACHMENT; FILENAME=TEST.ZIP CONTENT-TRANSFER-ENCODING: BINARY or CONTENT-TYPE: APPLICATION/OCTET-STREAM; BOUNDARY="SIMPLE BOUNDARY" CONTENT-DISPOSITION: ATTACHMENT; FILENAME=TEST.ZIP CONTENT-TRANSFER-ENCODING: BINARY I receive the message below from 7-Zip, when I attempt to extract the file: Can not open file "TEST.ZIP" as archive. Thank You and Please Be Safe! Len Sasso Systems Administrator Senior CSRA, A General Dynamics Information Technology Company 327 Columbia TPKE Rensselaer, NY 12144 TEAM: Together Everyone Achieves More Office Hours: M-F 7 AM - 3:45 PM Vacation: Phone: (518) 257-4209 Cell: (518) 894-0879 Fax: (518) 257-4300 len.sa...@gdit.com URL: https://nam11.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.gdit.com%2F&data=05%7C01%7Csmetz3%40gmu.edu%7C4698218f41ca408f9d7408da286b067e%7C9e857255df574c47a0c00546460380cb%7C0%7C0%7C637866737375460987%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=Xxrt1GOJdVxJ7OInTuiNyY29ESkE2JAsWxjNhTrLsFg%3D&reserved=0<https://nam11.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.gdit.com%2F&data=05%7C01%7Csmetz3%40gmu.edu%7C4698218f41ca408f9d7408da286b067e%7C9e857255df574c47a0c00546460380cb%7C0%7C0%7C637866737375460987%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=Xxrt1GOJdVxJ7OInTuiNyY29ESkE2JAsWxjNhTrLsFg%3D&reserved=0> ________________________________ From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> on behalf of Paul Gilmartin <0000000433f07816-dmarc-requ...@listserv.ua.edu> Sent: Wednesday, April 27, 2022 12:21 PM To: IBM-MAIN@LISTSERV.UA.EDU <IBM-MAIN@LISTSERV.UA.EDU> Subject: Re: Send an email with a Zip file as an attachment? [External: Use caution with links & attachments] On Wed, 27 Apr 2022 15:48:04 +0000, Sasso, Len wrote: >When I tried to open it with 7-Zip I received the following message: > > Can not open file "abc.zip" as archive. > Is EBCDIC the problem? On Wed, 27 Apr 2022 10:14:52 -0500, Carmen Vitullo wrote: >I have an example, not attaching a zip file - do you have a product like >PKZIP on the mainframe? > "jar" Protect the .zip file with "uuencode -m", or (not SYSIN-safe) TSO TRANSMIT. #! /bin/sh -x # Run thsi script or paste into uudecode. # Safest to extract in an empty directory. uudecode -i <<{endmime} ( Comments hardly matter. ) begin-base64 644 makesea.zip UEsDBBQAAAAIAKyVKlRzne3JKwEAAKoBAAAHABwAbWFrZXNlYVVUCQADNOHcYaer3WF1eAsAAQT1 AQAABAAAAABFj8FOwzAQRO/+iiEJSkuVVL2WIqQWlRM9UHHj4jibxmpiR/YGGlX5dxwB6nX1ZmZf fIdloc3S11hcRIwXq9Z4k2eCp6bK6MJOKtZGnyCdqrX+ItgKySoP8Pbj9TjRAwpH8gxrYKzJOutY Fg2hk1wb2VIuxP7wlMxCJyOzATo1tgBizLCVYdp3pHSl1TPmglRtkVxXcfywHDGfqF1D0qDvkC5T SFPiu9ZMvpNqqu6cNlwhvfcpok8R34yyyei9N+Daa3jldMewLvzlmRBSFn1fkrIlTTpHWZFnhOuf dkDCHKjteECpHSm2bsjFfwiZxmZzJVO2uqVRiBl2tm3JsEctXdkMaCUzuTx4iX//y2NYJfNb0E6q iyhZRSOi5Lo/rDPPpTZjFNTFrToSP1BLAQIeAxQAAAAIAKyVKlRzne3JKwEAAKoBAAAHABgAAAAA AAEAAADtgQAAAABtYWtlc2VhVVQFAAM04dxhdXgLAAEE9QEAAAQAAAAAUEsFBgAAAAABAAEATQAA AGwBAAAAAA== ==== {endmime} -- gil ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN