Interesting

What port is used in the transportation of emails between transport servers?

What is Edge Transport role in Exchange 2010?

What port is used in the transportation of emails between transport servers?

25/TCP
Network ports required for mail flow with Edge Transport servers

Purpose Ports
Inbound mail – Internet to Edge Transport server 25/TCP (SMTP)
Inbound mail – Edge Transport server to internal Exchange organization 25/TCP (SMTP)
Outbound mail – Internal Exchange organization to Edge Transport server 25/TCP (SMTP)

What is Edge Transport role in Exchange 2010?

The Exchange Server 2010 Edge Transport server role performs an important job in the organization. The Edge Transport server is specifically designed to handle internet email flow, protect from viruses and spam, and apply important business rules to email entering or leaving the network.

What port does Outlook use for Exchange 2010?

port 443
As for External it’s via port 443.

What is Edge transport role in exchange?

Edge Transport servers handle all inbound and outbound Internet mail flow by providing mail relay and smart host services for your Exchange organization. Agents running on the Edge Transport server provide additional layers of message protection and security.

Where would you install an Exchange Edge transport server?

We recommend that you install Edge Transport servers in a perimeter network that’s outside of your organization’s internal Active Directory forest.

What ports do IMAP4 use in exchange?

IMAP4 server FQDN: mail.contoso.com. TCP port: 993 for always TLS encrypted connections, and 143 for unencrypted connections or opportunistic TLS (STARTTLS) encrypted connections.

What is Exchange Server 2010 edge Transport server?

The Exchange Server 2010 Edge Transport server role performs an important job in the organization. The Edge Transport server is specifically designed to handle internet email flow, protect from viruses and spam, and apply important business rules to email entering or leaving the network.

Does the edge Transport Server have access to Active Directory?

An Edge Transport server doesn’t have direct access to Active Directory. The configuration and recipient information the Edge Transport server uses to process messages is stored locally in AD LDS. Creating an Edge Subscription establishes secure, automatic replication of information from Active Directory to AD LDS.

What ports do I need to open for edge transport?

SMTP: Port 25/TCP must be open for inbound and outbound mail flow between the Internet and the Edge Transport server, and between the Edge Transport server and the internal Exchange organization. Secure LDAP: Non-standard port 50636/TCP is used for directory synchronization from Mailbox servers to AD LDS on the Edge Transport server.

Can I install a firewall between Exchange Server and Active Directory?

The installation of a firewall between Exchange servers or between an Exchange 2010 Mailbox or Client Access server and Active Directory isn’t supported. However, you can install a network device if traffic isn’t restricted and all available ports are open between the various Exchange servers and Active Directory.