Re: Why email from z/OS SMTP rejected by Gmail?

z http://mason.gmu.edu/~smetz3 From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of Grant Taylor [023065957af1-dmarc-requ...@listserv.ua.edu] Sent: Monday, December 12, 2022 7:19 PM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Why email from z/OS SMT

Re: Why email from z/OS SMTP rejected by Gmail?

On 12/12/22 4:49 AM, Seymour J Metz wrote: That's a SHOULD, not a MUST. I don't recall whether the SMTP external writer (z"l) generated message-id or whether the application needed to include it in its sysout. You're using RFC language. Remember, each and every email operator is free to do wh

Re: Why email from z/OS SMTP rejected by Gmail?

On 12/11/22 2:30 PM, Farley, Peter wrote: At this Google support url there are eight different reasons that could apply to the error "550 5.7.1". https://support.google.com/a/answer/3726730?hl=en My bet is: 550, "5.7.1", Our system has detected that this message is likely unsolicited mail.

Re: Why email from z/OS SMTP rejected by Gmail?

On 12/11/22 1:52 PM, Bob Bridges wrote: I wonder whether any old string will do as a Message-ID? There is some rough formatting to it. It's fairly well documented in multiple internet email RFCs. I'd suggest glancing at RFC 5322. The Message-ID looks like an email address, but it is not.

Re: Why email from z/OS SMTP rejected by Gmail?

: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of Paul Gilmartin [042bfe9c879d-dmarc-requ...@listserv.ua.edu] Sent: Sunday, December 11, 2022 9:42 PM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Why email from z/OS SMTP rejected by Gmail? On Dec 11, 2022, at 17:06:52, Seymou

Re: Why email from z/OS SMTP rejected by Gmail?

On Dec 11, 2022, at 17:06:52, Seymour J Metz wrote: > > What happens if you generate a message-id : header field? > Isn't the Mail Agent supposed to do that for you? Where's sendmail when you need it? Did IBM end it because it was too useful? Ironically, the z/OS UNIX Command Ref. contains s

Re: Why email from z/OS SMTP rejected by Gmail?

st email effects. sas On Sun, Dec 11, 2022 at 7:02 PM Alan Young wrote: > Looks to me that there are missing less thans (<) before the &ltuser. > occurrences. > > -Original Message- > From: IBM Mainframe Discussion List > Sent: Dec 11, 2022 11:29 AM > To: >

Re: Why email from z/OS SMTP rejected by Gmail?

What happens if you generate a message-id : header field? From: IBM Mainframe Discussion List on behalf of Charles Mills Sent: Sunday, December 11, 2022 6:36 PM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Why email from z/OS SMTP rejected by Gmail? Well

Re: Why email from z/OS SMTP rejected by Gmail?

Looks to me that there are missing less thans (<) before the &ltuser. occurrences. -Original Message- From: IBM Mainframe Discussion List Sent: Dec 11, 2022 11:29 AM To: Subject: Why email from z/OS SMTP rejected by Gmail? Has anyone else seen this? I have a couple

Re: Why email from z/OS SMTP rejected by Gmail?

Well I thought I had this. I used Outlook to send a plain text e-mail to a Gmail address and looked at the header. Aha! It had the three lines just like the HTML e-mail except that the middle line was (duh!) Content-Type: text/plain; charset="us-ascii"; So I changed my program to send that, co

Re: Why email from z/OS SMTP rejected by Gmail?

On Dec 11, 2022, at 14:21:57, Charles Mills wrote: > >> Difficult to avoid HTML > Yeah, with some re-programming (see next answer) I could go to HTML Not the > best use of my time, but I can do that. > In many cases I find it difficult to avoid HTML. Might LBD freeware help:

Re: Why email from z/OS SMTP rejected by Gmail?

e for that first hop > -Original Message- > From: IBM Mainframe Discussion List On > Behalf Of Charles Mills > Sent: Sunday, December 11, 2022 1:22 PM > To: IBM-MAIN@LISTSERV.UA.EDU > Subject: Re: Why email from z/OS SMTP rejected by Gmail? > > Thanks all! Let&#x

Re: Why email from z/OS SMTP rejected by Gmail?

2022 4:22 PM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Why email from z/OS SMTP rejected by Gmail? Thanks all! Let's see if I can do one big reply. > Difficult to avoid HTML Yeah, with some re-programming (see next answer) I could go to HTML Not the best use of my time, but I can do that

Re: Why email from z/OS SMTP rejected by Gmail?

Thanks all! Let's see if I can do one big reply. > Difficult to avoid HTML Yeah, with some re-programming (see next answer) I could go to HTML Not the best use of my time, but I can do that. > Did I try the HTML? Yes, If I add the following to the e-mail then GMail accepts it. "Mime-Version: 1.

Re: Why email from z/OS SMTP rejected by Gmail?

On Dec 11, 2022, at 13:52:10, Bob Bridges wrote: > > I wonder whether any old string will do as a Message-ID? Well, the first > part of it, I mean. Gil, yours came to my box with this as part of the > headers: > > Message-ID: <2306658440649111.wa.paulgboulderaol@listserv.ua.edu> > I p

Re: Why email from z/OS SMTP rejected by Gmail?

I wonder whether any old string will do as a Message-ID? Well, the first part of it, I mean. Gil, yours came to my box with this as part of the headers: Message-ID: <2306658440649111.wa.paulgboulderaol@listserv.ua.edu> I'm guessing the first part of that string is assigned by your email

Re: Why email from z/OS SMTP rejected by Gmail?

On Sun, 11 Dec 2022 14:12:46 -0500, Phil Smith III wrote: >Charles wrote about a message rejected by Gmail with a 550 "Messages missing a >valid messageId header are not accepted" error. > >I assume/imagine this is more anti-spam, and this thread supports that: > >https://support.google.com/mail/

Re: Why email from z/OS SMTP rejected by Gmail?

z/OS V2R3. CSSMTP. -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN

Re: Why email from z/OS SMTP rejected by Gmail?

Charles wrote about a message rejected by Gmail with a 550 "Messages missing a valid messageId header are not accepted" error. I assume/imagine this is more anti-spam, and this thread supports that: https://support.google.com/mail/thread/173900861/message-could-not-be-delivered-due-to-missing

Re: Why email from z/OS SMTP rejected by Gmail?

0:29 AM > To: IBM-MAIN@LISTSERV.UA.EDU > Subject: Why email from z/OS SMTP rejected by Gmail? > > [EXTERNAL EMAIL] > > Has anyone else seen this? I have a couple of z/OS applications that send > status emails. The emails go to several addresses without error. Some of the &g

Why email from z/OS SMTP rejected by Gmail?

Has anyone else seen this? I have a couple of z/OS applications that send status emails. The emails go to several addresses without error. Some of the emails are plain text format, and some are HTML. I recently added an @Gmail address to the emails and the plain text email *only* is being rejec