Rui
Thu Jan 27 11:27:51 CST 2005
If you correctly configured por forward from the firewall to the Exchange
Server, Telnet should work and you should a response like this:
220 server.domain.com Microsoft ESMTP MAIL Service, Version: 6.0.3790.211
read
y at Thu, 27 Jan 2005 12:35:30 +0000
If that is not working, then you should review your firewall configuration.
--
Blog "subject: exchange"
http://spaces.msn.com/members/ehlo
"gurvinder.nijjar" <gsnijjar@hotmail.com> wrote in message
news:eEupKzHBFHA.3596@TK2MSFTNGP12.phx.gbl...
>I have configured the smtp as the ip of the firewall and also opened port
>25
> for all traffic on our firewall. But when I telent to the firewall ip on
> that port I get connection failed. What does that mean.
> "Rui J.M. Silva" <rjms(nospam4me)@oninet.pt> wrote in message
> news:OS652i7AFHA.2316@TK2MSFTNGP15.phx.gbl...
>> When you configured the Outlook Express account, did you specify the
>> external IP of your firewall as the SMTP server?
>> Try starting a telnet session to that IP, port 25, and see what's the
>> response.
>>
>> --
>> Blog "subject: exchange"
>>
http://spaces.msn.com/members/ehlo
>>
>>
>> "gurvinder.nijjar" <gsnijjar@hotmail.com> escreveu na mensagem
>> news:uVj7qV7AFHA.384@TK2MSFTNGP10.phx.gbl...
>> > The exchange server to the internet uses NAT. We already have a rule
>> > in
>> > our
>> > firewall which allows SMTP traffic from our ISP to our exchange server.
>> > The
>> > rule has a NAT from our external IP (firewall ) to exchange server
>> > internal
>> > IP.
>> >
>> > I can download email from exchange server to outlook express by opening
>> > port
>> > 110 for POP3. But how can i configure outlook express to send emails
>> > through my exchange server, in other words the emails as reply address
> of
>> > my
>> > company email address. SMTP is opened to allow all traffic to my
> exchange
>> > server (NAT) for the moment. We are running exchange 5.5 and in the
>> > IMC
>> > under the connections tab i have added accept connections from everyone
>> > for
>> > the moment, but i am still getting errors when sending emals through
>> > outlook
>> > express. ANY IDEAS
>> > "Rui J.M. Silva" <rjms(nospam4me)@oninet.pt> wrote in message
>> > news:eiKS5z5AFHA.2016@TK2MSFTNGP15.phx.gbl...
>> >> How is the connection from your Exchange Server to the internet? Does
> it
>> >> have a public IP address or it uses NAT?
>> >> You'll have to allow TCP ports:
>> >> 110 (POP3) inbound
>> >> 25 (SMTP) inbound
>> >>
>> >> To prevent relay, add your user to allowed hosts. See this article:
>> >> "XFOR: Preventing the Internet Mail Service From Relaying Unsolicited
>> >> Commercial E-Mail Messages"
>> >>
http://support.microsoft.com/default.aspx?kbid=193922
>> >>
>> >> --
>> >> Blog "subject: exchange"
>> >>
http://spaces.msn.com/members/ehlo
>> >>
>> >> "gurvinder.nijjar" <gsnijjar@hotmail.com> escreveu na mensagem
>> >> news:eTYH3T5AFHA.632@TK2MSFTNGP10.phx.gbl...
>> >> > The user does not want to VPN.
>> >> >
>> >> > I have checked with ISP and they are going to find out if he has a
>> > static
>> >> > IP
>> >> > for his adsl line.
>> >> >
>> >> > If he has a static IP i can open up a rule on firewall to allow POP3
>> >> > for
>> >> > this external IP.
>> >> > To allow him to send emal through our exchange server would I need
>> >> > to
>> > add
>> >> > a
>> >> > rule to allow smtp traffic from this external IP address. What
>> >> > would
> i
>> >> > have
>> >> > to set on exchange 5.5 for this, do i have to setup on exchnange to
>> > allow
>> >> > relay from this external IP. How would i do this on exchange 5.5.
>> >> > "Rui J.M. Silva" <rjms(nospam4me)@oninet.pt> wrote in message
>> >> > news:ue3EK04AFHA.3236@TK2MSFTNGP15.phx.gbl...
>> >> >> That will be a little difficult because he won't have a static IP
>> >> >> address.
>> >> >> Check to see if his provider has a fixed subnet and then maybe you
> can
>> >> >> restrict access to that subnet.
>> >> >> But I think a better option is for you to set up a VPN connection.
>> >> >>
>> >> >> --
>> >> >> Blog "subject: exchange"
>> >> >>
http://spaces.msn.com/members/ehlo
>> >> >>
>> >> >> "gurvinder.nijjar" <gsnijjar@hotmail.com> escreveu na mensagem
>> >> >> news:u8m%23ur4AFHA.3016@tk2msftngp13.phx.gbl...
>> >> >> > We are currently using exchange 5.5 and have a firewall in place.
>> >> >> > We
>> >> > have
>> >> >> > a
>> >> >> > remote user who wants from home to download his email to a mail
>> > client
>> >> > he
>> >> >> > has installed on his laptop. He connects his laptop to a ADSL
> line
>> > and
>> >> >> > then
>> >> >> > wants to download his email to a to the client and also send
> emails
>> > but
>> >> >> > his
>> >> >> > from address should be from his company email address.
>> >> >> >
>> >> >> > So he has a POP3 client and and I need to install POP3 on
>> >> >> > exchange
>> > 5.5
>> >> > and
>> >> >> > also open a port through our firewall for POP3. As he is using a
>> > adsl
>> >> >> > line
>> >> >> > how would I setup a rule on our firewall for only him to download
>> > email
>> >> >> > from
>> >> >> > our exchange server. Does the ADSL line have an Ip address or
>> >> > something.
>> >> >> > ALso on exchange5.5 how do allow this user to download email and
>> >> >> > then
>> >> > send
>> >> >> > allow him to send email thrrough his client.
>> >> >> >
>> >> >> >
>> >> >>
>> >> >>
>> >> >
>> >> >
>> >>
>> >>
>> >
>> >
>>
>>
>
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