Exchange Q&A: Mail Flow (3)

1.What are the Send connectors used for?

Exchange uses Send connectors for outbound SMTP connections from source Exchange servers to destination email servers.

2.What are the important settings on Send connectors?

  • Usage Type;
  • Network Settings;
  • Address Spaces;
  • Scope;
  • Source servers.

3.What are the available usage type values of Send connectors?

  • Custom;
  • Internal;
  • Internet;
  • Partner.

4.What options that every Send connector needs to be configured with?

Use DNS to route mail;

Or

Use one or more smart hosts to route mail.

5.What are the available authentication mechanisms that the smart hosts uses?

  • None;
  • Basic authentication;
  • Offer basic authentication only after starting TLS;
  • Exchange Server authentication;
  • Externally secured.

6.What are the Send connector address spaces specifies?

The address space specifies the destination domains that are serviced by the Send connector.

7.What are the available SMTP address space values?

  • *: The Send connector routes mail to recipients in all domains;
  • Domain: The Send connector routes mail to recipients in the specified domain, but not in any subdomains;
  • Domain and subdomains: The Send connector routes mail to recipients in the specified domain, and in all subdomains;
  • –: The Send connector routes mail to recipients in all accepted domains in the Exchange organization. This value is only available on Send connectors on Edge Transport servers that send mail to the internal Exchange organization.

8.Hot to see the permissions that are assigned to security principals on a Send connector?

Use the following syntax in the Exchange Management Shell:

Get-ADPermission -Identity <SendConnector> [-User <SecurityPrincipal>] | where {($_.Deny -eq $false) -and ($_.IsInherited -eq $false)} | Format-Table User,ExtendedRights

9.How to add permissions to a security principal on a Send connector?

Use the following syntax:

Add-ADPermission -Identity <SendConnector> -User <SecurityPrincipal> -ExtendedRights “<Permission1>”,”<Permission2>”…

10.How to remove permissions from a security principal on a Send connector?

Use the following syntax:

Remove-ADPermission -Identity <SendConnector> -User <SecurityPrincipal> -ExtendedRights “<Permission1>”,”<Permission2>”…

Still have questions? Click here to view Microsoft’s official documentation on Exchange.

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