Ars Technica

Cisco WebVPN / Which TCP ports does Outlook need to connect to an Exchange Server?

I've recently upgraded software a Cisco VPN 3000 Concentrator to enable WebVPN functionality. One application I would like to get working using "Application Access" is Microsft Outlook connecting to a ...
Ars Technica

Exchange 5.5 Ports Issue

Hi, We have installed an exchange server behind a firewall.<BR>Port 25 forwarded to exchange server - We can send and receive mail ok. Internal clients can access exchange ok.<BR>port 80 forwarded to ...
ZDNet

Everything you need to know about the Microsoft Exchange Server hack

Update 26.3.2024: While not on the same scale as 2021's Microsoft Exchange Server hack (see below this update), security problems impacting Exchange Server have reemerged. In March 2024's monthly ...
CNET

Port and server information for email accounts.

Email: It's been around for decades, and people are still confused about how it works--and for good reason. Setting up and troubleshooting an email account can be an irritating venture. Recently, we ...
CSOonline

Build an ultra-secure Microsoft Exchange Server

Yes, it's possible to do a Microsoft Exchange Server deployment that is secure enough for all but the most sensitive information. Here's how to do it. With all the news about information leaks, ...