The two worst are URL rewriting and prohibiting IMAP4 and POP3.

-- 
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3
עַם יִשְׂרָאֵל חַי
נֵ֣צַח יִשְׂרָאֵ֔ל לֹ֥א יְשַׁקֵּ֖ר




________________________________________
From: IBM Mainframe Discussion List <[email protected]> on behalf of 
Rick Troth <[email protected]>
Sent: Thursday, August 14, 2025 1:06 PM
To: [email protected] <[email protected]>
Subject: Re: Issues Posting in IBMVM Listserv?


External Message: Use Caution


The whole email industry has embraced a number of aggressive
spam-prevention measures, and it's all harder when comes to distribution
lists.
Notice that many subscribers now show up as
/randomhex/-dmarc-request@/server/./fqdn/. That's just one effect.

I second what Phil says: go via email.
Maybe you are in fact doing so, but "same interface I'm using here"
hints that maybe you're using a different tool or protocol?
(Not wanting to give you more grief.) Many web based email interfaces
present authentication challenges. Long story.

Related:
I would ask the list managers to enable attachments, or to at least
allow PGP signatures (which are delivered as attachments) if the server
software can be that selective.
(Stripping attachments and/or rejecting messages with attachments is yet
another example of the new "security" measures.)


-- Rick Troth, CISSP and rogue system programmer; <><



On 8/14/25 12:42 PM, Phil Smith III wrote:
> Submit via email instead, maybe? Those gateways have always been flaky. I 
> know this isn't a great answer, but...
>
> -----Original Message-----
> From: IBM Mainframe Discussion List<[email protected]> On Behalf Of 
> Steve Estle
> Sent: Thursday, August 14, 2025 12:01 PM
> To:[email protected]
> Subject: Issues Posting in IBMVM Listserv?
>
> All,
>
> I subscribe to IBMVM Listserv and have been able to do posts in past, but 
> recently when I try and post via same interface I'm using here (after logging 
> in) for IBMVM, the posting acts as if it has been submitted but never shows 
> up in Listserv message list?
>
> Is there someone who really understands listserv or some sort of support so I 
> can get this resolved?
>
> Thanks,
> Steve Estle
>
> ----------------------------------------------------------------------
> For IBM-MAIN subscribe / signoff / archive access instructions, send email 
> [email protected] with the message: INFO IBM-MAIN
>
> ----------------------------------------------------------------------
> For IBM-MAIN subscribe / signoff / archive access instructions,
> send email [email protected] with the message: INFO IBM-MAIN

--
-- R; <><

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