Re: SMTP Relay....Driving me crazy....
- From: "Claus" <cjobes@xxxxxxxxxxxxx>
- Date: Sat, 26 May 2007 20:22:55 -0400
SG,
You are totally right. That's why RPC over HTTP is a real good solution. I
had some clients that insisted on a POP3 solution. In those cases I
installed a free little mail server on the SBS, configured it to listen on
port 80 and then forwarded all email internally on port 25 to the exchange
server. Worked fine but I'm not a big fan of it since Outlook over the
Internet has made possible.
--
Claus
"SuperGumby [SBS MVP]" <not@xxxxxxxxxxx> wrote in message
news:ehTx8L%23nHHA.4552@xxxxxxxxxxxxxxxxxxxxxxx
I'm curious about your experience with SMTP blocking.
Is it similar to AU? eg. Anyone can connect direct to me on port 25 (ie. I
can receive by SMTP) but I must relay out through the ISP's (BigPond)
server (I cannot connect to a remote :25, except ISP mail server). If I
pay an additional monthly fee, $10/mth for static IP, I can do direct
SMTP.
I ask mainly because I have travellers using various internet connections
while away. We allow them auth'd SMTP to the 'home' server but as similar
restrictions come into play around the world I'm actually thinking of
closing off authSMTP m'self (on the basis that often the person _we want_
to use it can't anyway).
"Claus" <cjobes@xxxxxxxxxxxxx> wrote in message
news:OKIPKnynHHA.4900@xxxxxxxxxxxxxxxxxxxxxxx
One question, one observation:
When you test the account in OE, does it find the SMTP server and sending
testmail fails or is it failing on finding the server?
You should tell your client that the remote user will only be able to
relay mail if he/she is connected to the same ISP. Most ISPs are blocking
25 on their perimeter except for their own mail servers and the clients
that purchased business connections with static IPs.
--
Claus
"Mark Greene" <notvalid@xxxxxxxxxxx> wrote in message
news:92pe535g6be05amr3i5shncf4n2soprlk7@xxxxxxxxxx
I have a customer that requires a remote user to relay messages
through the Exchange SMTP Server. I've tried to talk them into using
Outlook over the Internet (RPC over HTTPS), but they insist on
relaying through the SMTP Server....
The "Allow all computers which successfully authenticate to relay,
regardless of the list above." box is checked, but the user still
cannot relay messages through the SMTP server. The Outlook Express
client is is set to use SMTP authentication, and I've tried using the
several different iterations of username (username, domain\username,
username@domain, etc.) but still cannot get the mail to send from the
Outlook Exprerss client. The user can use POP3 to check their
messages without any issues using just their username and password....
What gives??
Thanks for any help....
.
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