> Given the prior comments about wanting to not smart host / off-load to a
> different local SMTP server, yes, I'm assuming direct-to-MX with my
> comments / questions.

That's a bad idea for several reasons.

> Sorry, that's somewhat nebulous.  Are you asking about the z/OS SYSPROGs
> or the company management that said SYSPROGs report to?

I'm talking whoever has authority over both the z/OS system and the network 
infrastructure, including firewalls, mail servers, routers and connection to an 
ISP or backbone.


--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3

________________________________________
From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of 
Grant Taylor [0000023065957af1-dmarc-requ...@listserv.ua.edu]
Sent: Thursday, July 23, 2020 4:48 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Sending email from the Mainframe

On 7/23/20 2:27 PM, Seymour J Metz wrote:
> Are you assuming direct-to-MX?

Given the prior comments about wanting to not smart host / off-load to a
different local SMTP server, yes, I'm assuming direct-to-MX with my
comments / questions.

> Are you assuming using a mail server not under the control of the z/OS
> system's management.

Sorry, that's somewhat nebulous.  Are you asking about the z/OS SYSPROGs
or the company management that said SYSPROGs report to?

> If not, then I've already addressed the issue.

I agree that having z/OS smart-host to a different SMTP server that does
the to-MX sending would address my comments / questions.  I assume that
said smart-host is under the same company management hierarchy (or
subcontracted there from), even if it's not actually the z/OS SYSPROGs.

I believe that enforcing TLS with CSSMTP being used as direct-to-MX is
going to be problematic.  At least for a general outbound email.
Business-to-business might be considerably less problematic.



--
Grant. . . .
unix || die

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