Rob wrote on 07/11/2012 10:23:25 AM:

> I apologize if I have failed to frame my questions correctly,  I
> will try to be more clear.

I think I understand the question.  "Why doesn't Listserv work the way I
want/expect (ie. accept EHLO)?"

> We have already established that the RFC that standardized EHLO has
> been around since 1993 and there is no excuse for not recognizing
> the command.  I showed in a previous message that my Listserv
> recognizes HELO, but does not recognize EHLO.

I see nothing in the RFC's that states a mail server MUST recognize/use
ESMTP.  Perhaps LSoft doesn't feel that the extra features offer anything
Listserv needs.  I do not speak for them.

[ESMTP attempt snipped]
> So my question is ***not*** why isn't my barracuda backing down
> (that's a question for Barracuda Support, not the Listserv forums)

Agreed.  We established that the question is "Why doesn't Listserv work
the way I want/expect (ie. accept EHLO)?" and that only Barracuda can
answer for their product.

> BTW here is the same example of connecting to the barracuda
>
> 220 spam.delta.edu ESMTP (2e2d12eb7689c992b9e29b789010df8e)
> helo rob
> 250 spam.delta.edu Hello b126j-033272.delta.edu [10.100.12.50],
> pleased to meet you
> ehlo rob
> 250-spam.delta.edu Hello b126j-033272.delta.edu [10.100.12.50],
> pleased to meet you
> 250-SIZE 100000000
> 250-PIPELINING
> 250-8BITMIME
> 250 HELP
> quit
> 221 spam.delta.edu Goodbye b126j-033272.delta.edu, closing connection

YAY! Barracuda accepts ESMTP on incoming connections.  Good for them.

> My question is, why isn't my listserv responding to EHLO when others
> in this thread have shown that their listservs *are* responding to EHLO?

I don't recall seeing that stated anywhere.  I think no one else is
reporting problems because they don't have borked mail systems in front of
their Listserv.  I use CanIt Pro, which uses sendmail as its MTA. Sendmail
apparently has no problem stepping down to plain SMTP when delivering to
Listserv.

> The problem I am asking for help with is on the listserv.  I will
> deal with the Barracudas later.

Hopefully sooner, rather than later.  This path will lead to the solution.

> I do appreciate all of your input and look forward to hearing your
> suggestions.

I learned a phrase from Lotus Notes/Domino Technical support many many,
years ago.  "System operating as designed."  I find it useful in so many
situations.

Bill



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