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Steven Swarts

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Multiple Send Connectors - Exchange (SBS 2008)

G'day guys,

I've got a client who uses SBS 2008 which has Exchange 2007. They have multiple domains that they accept email for:

  1. example.com
  2. example.org
  3. example.info

Now all the various users can already send and receive, but I noticed that in EMC there is a discrepancy. There is only 2 send connectors.

Server Name = srv01

Send Connector - example.com
FQDN for EHLO & HELO = remote.example.com
Address space = SMTP (Type) | * (Address) | 1 (Cost)
Use DNS MX to route mail automatically = Checked
Source Server = srv01

Send Connector - example.org
FQDN for EHLO & HELO = mail.example.org
Address space = SMTP (Type) | * (Address) | 1 (Cost)
Use DNS MX to route mail automatically = Checked
Source Server = srv01

Can someone help me out and tell me the following:

  1. What is a Send Connector used for? I've googled it, but I would like a concise answer for this particular scenario please.
  2. What is the best practice?
  3. Do I need multiple?
  4. Why does it work with one missing?

Thanks in advance.

Steve
Avatar of Tom Cieslik
Tom Cieslik
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That's because you accepting email for more that one domain doesn't mean you need to have more that one receiving connector.
My server is accepting emails for 5 domain names and I have only one send connector,
Do you mean receive connector?
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Steven Swarts

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Tom - So are you saying that having 2 is not necessary? I can remove the second one?

Sunil - Nope I mean send connector
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Tom Cieslik
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Then it may be a remote domain connector or the Smart Host connector.
Yes, it can be that's why I said IF your're using MX...
Tom - When you talk about DNS are you talking about on the server itself (SBS comes with its own DNS Server by default) or are you talking about DNS entries on global scale? As in recorded on the domain name servers?

SPF records are set as follows:

"v=spf1 ip4:EXTERNAL_IP_OF_SERVER ~all"
Yes, your EXTERNAL DNS server where your domain is registered
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Well email is flowing so I guess question is answered. Cheers.