Re: Help configuring VMS mail with Dynaccess.com

In article <1170728031.487844.74350@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>,
mcbill20@xxxxxxxxx writes:

Hello all. I am trying to make some changes in SMTP mail configuration
on my home VMS system. For the past couple of years I have been using
VMS mail for incoming SMTP and a C program I wrote for the outgoing
SMTP. Since VMS mail doesn't have authentication I had to use this
method. Although my ISP doesn't restrict port 25, I never could get
outgoing to work, probably due to the fact that I have a dynamic
address. I used DYNDNS.COM for my incoming and it worked fine.

What is probably happening is that your dynamic DNS address is being
rejected by mail servers somewhere down the line. I had the same
problem when I set up email at home. However, I CAN send outgoing mail
with the standard TCPIP software. I avoid the "we reject mail from
volatile addresses" problem by sending it through an SMTP relay server
provided by my dynamic-DNS provider, http://www.dynaccess.com/ . (They
offer more services than DYNDNS.COM for less money. The pricing
structure is different (packages with more and more features, rather
than buying things à la carte), but for me works out to about half what
I would pay for similar features at DYNDNS.COM (and includes some
features DYNDNS.COM doesn't offer). I highly recommend them. If you
switch, you could just set the alternate gateway to their SMTP relay
server and you're in business. The important thing: no SMTP
authentication is needed; it is based on the IP address, which the
dynamic-DNS provider knows anyway, of course. It is not a
pay-per-message system, but rather a reasonable number of messages is
included in the flat rate.) (I also have email addresses with
DYNDNS.COM, so I am familiar with them too.)

I am hoping to be able to use VMS mail for both with the Dynaccess.com
service but so far I am having problems. I set up an account at
Dynaccess.com based on recomendations in older posts in COV. I can now
receive email by sending to username@xxxxxxxxxxxxxxxxxxxxxxxxx but I
am unable to get the outgoing mail to work.

Wait---do you mean dyndns.com or dynaccess.com? They are two separate
companies.

I reconfigured the domain to be accountname.dynaccess.com and set up a
name in the host table that is accountname.dynaccess.com. I found that
without the machine's own hostname in the local table, all incoming
SMTP mail gets rejected with a "NOSPAMRLY" response.

Yes. It has to know what its name is in order to receive email. If
not, it thinks it is for elsewhere and properly rejects it.

When I try to send outgoing mail, it gets returned with 550 %TCPIP-E-
SMTP_NOSUCHUSER, no such user, USERNAME@xxxxxxxxxxx

I think the error message is wrong. I think this error occurs when your
alternate gateway doesn't work.

I am guessing that I may have my domain info configured incorrectly
for a dynamic IP address. I am not sure if my computer name should be
part of the domain or not.

Here is my specific config info (without actual names in order to
avoid spam:

VMS: 7.3-1
TCP: 5.4 ECO 2
domain: myaccount.dynaccess.com
gateway address: 192.168.1.1
local host record: myaccount.dynaccess.com, 192.168.1.2
SMTP alternate gateway: dynaccess.com
BIND resolver: myaccount.dynaccess.com

The node name is different from the "myaccount" name.

There are several issues here. First, again, you are now talking about
http://www.dynaccess.com, not http://www.dynds.org/, right? Second, the
address 192.168.1.1 is not routable; you need a NAT or PAT router or
something similar to connect to the outside world. Third, you need an
alternate gateway.

I have been a satisfied dynaccess.com customer for many, many years. All
my email is done with VMS MAIL from my cluster at home, which receives
email directly and sends it via the SMTP relay server at dynaccess.com.
What is the output of the following TCPIP commands?

SHOW NAME
SHOW CONFIGURATION NAME
SHOW HOST/LOCAL
SHOW CONFIGURATION SMTP
SHOW ROUTE
SHOW ROUTE/PERMANENT
SHOW CONFIGURATION INTERFACE/FULL
SHOW INTERFACE/FULL

.

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