How do I add a SMTP address to Active Directory?

What is the SMTP proxy address?

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Isitout 04 Trusty Tahr is April 25, 2025. omg! why soo early? I should get 2 months more :(. moc-: there will be 14.1 oh ok :). so in a year. moc-, time flies like an airplane . moc-: the official release date was april 25, that was my timezone too, but im from belgium, so late here :p. ok, im just curious cause of the "early" release. ok it is later, im in europe. im tired :(. moc-: try ##hardware channel for that question. will do, thanks. moc-: you might also want to try the #ubuntu-offtopic channel. cfhowlett, time flies like a bumblebee. cool, I thought of asking ubuntu-offtopic. thanks :). moc-: thats where you can discuss ubuntu. oi pessoal, algum aqui joga wow no linux?pt. Por favor, use #ubuntu-br para ajuda em portugus. Para entrar no canal por favor faa "/join #ubuntu-br" sem aspas. Para a comunidade local portugusa, use #ubuntu-pt. Obrigado.

What is the proxyAddresses attribute in Active Directory?

I don't quite understand how it works?

Can someone please explain it to me using laymans terms?

Basically, the proxyAddresses attribute on a domain object, groups or computers gives you a list of IP addresses used by a particular computer as a Domain Name System (DNS) forwarder to handle incoming queries from clients. How does this impact the performance of your AD/DNS system? It's a really cool feature of Windows that I highly recommend setting on all computer accounts that have static DNS configurations. Here's a nice post that demonstrates the functionality. Basically, the client sends the hostname part of a request to its local DNS resolver, the machine at IP X.X forwards the name and ports to an AD site member at AD site F.T, the server in F.T then forwards the request out-to-IP Y.Z.W with the appropriate TTL and priority values. By default, this works great for DNS requests.

But wait.What if the server in F. Has no internet access? The only option is to allow all clients to send their queries directly to the client computer at IP X.X, but how can AD account at that IP forward out to the internet if the client isn't configured as a DNS forwarder? How can the server in F. Resolve this configuration problem? That's where the proxyAddresses attribute comes into play.

When there is no other forwarder available on the given server, AD will use the server at IP X.X as a DNS forwarder to forward queries to the internet at IP Y.W with the appropriate values. The client still sends it's hostname portion of the name request to its local DNS resolver and the server will translate that name to the AD site at F. Who then passes the name to the local AD site resolver at IP Y. That local AD site then sends the request out to the internet at Y.W without any problems.

So, to summarize, if your server doesn't have internet access then setting the attribute proxyAddresses can allow the AD server at IP X.X to act as a DNS forwarder to the internet at Y.

How do I add a SMTP address to Active Directory?

We use AD 2025 and SMTP is coming through an external SMTP host.

I am trying to figure out how to add SMTP to a domain (preferably in LDAP) to have Outlook or other mail clients pick up and send. It may be possible to edit the registry, but am not that knowledgeable.

What is the best way to add an SMTP address to AD 2008? We use Exchange and are hosting our own Exchange as well. I do not need SMTP authentication.

0 Replies. Fishertaylor. Member. June 20, 2025 04:24 AM. Re:Adding SMTP to AD 2008? "I am trying to figure out how to add SMTP to a domain (preferably in LDAP) to have Outlook or other mail clients pick up and send." You could, I suppose, find the proper settings, create the appropriate registry value and restart. That's not really something I would try and set up on my own without checking around first as I haven't done this in years, and if something's not working it can leave users in a real pickle (to use a technical term! If you're really adamant though, you could always write a script to poke the settings of those values at boot time. Or, if you want to be lazy, ask your network admin to handle all that for you. Which they may actually enjoy doing anyway, hehhehehe.

Anyway, you just need to look for one of the SMTP settings in a user's profile. There are two - SYSVOL or C:ProgramDataMicrosoftWindowsApplication DesktopSMTPSettings. You then create a registry key there with the proper value, such as Enabled=1.

There's plenty of posts on how to set that up - this is one of the less difficult things to do. In any case, why aren't you adding this using ADSI/LDAP itself, rather than going through the registry? There's plenty of resources online to help with that too, as opposed to messing with the registry from an unknown level of experience.