Exchange 2010

Exchange Network Port Reference TCP port 25 – SMTP TCP port 26 – SSL secured SMTP TCP port 110 – Post Office Protocol v. 3 (POP3) TCP port 995 – SSL secured POP3 TCP port 143 – Internet Message Access Protocol v. 4 (IMAP4) TCP port 993 – SSL secured IMAP4 TCP port 80 – … Read more

When a send connector has the “scoped” option enabled, the connector can only be used by Hub servers in the same Active Directory site. If it is not selected, the connector can be used by all Hub servers in the environment. This option will only interest Exchange admins who manage large Exchange deployments spanning multiple … Read more

So you have connected a disconnected mailbox to a new user that you have created in AD. You login as the new user and you get a message saying that the mailbox is disabled. You need to run the EMC command : Clean-MailboxDatabase “Database Name” This will enable the connected mailbox.

To test if you are an open relay, you can visit MXToolbox or Mailradar.

http://technet.microsoft.com/en-us/library/bb124423.aspx An accepted domain is any SMTP namespace for which a Microsoft Exchange organization sends or receives e-mail. Accepted domains include those domains for which the Exchange organization is authoritative. An Exchange organization is authoritative when it handles mail delivery for recipients in the accepted domain. Accepted domains also include domains for which the Exchange organization … Read more

Here are the default email ports for: POP3 – port 110 IMAP – port 143 SMTP – port 25 HTTP – port 80 Secure SMTP (SSMTP) – port 465 Secure IMAP (IMAP4-SSL) – port 585 IMAP4 over SSL (IMAPS) – port 993 Secure POP3 (SSL-POP) – port 995 SMTP on PORT 587 Port 587 is … Read more

http://technet.microsoft.com/en-us/library/dd335146.aspx Management role scopes enable you to define the specific scope of impact or influence of a management role when a management role assignment is created. When you apply a scope, the role assignee assigned to the role can only modify the objects contained within that scope. A role assignee can be a management role group, … Read more