<div>
your only other choice is to have them select the verizon smtp server<br />
if you want mail flow to continue thru your system, for tracking and logging purposes you should switch to 587
</div>


your only other choice is to have them select the verizon smtp server
if you want mail flow to continue thru your system, for tracking and logging purposes you should switch to 587

<div>
Please be clear and straight forward.<br />
Does verizon offer an SMTP server that will map INCOMING port 25 to 587?
</div>


Please be clear and straight forward.
Does verizon offer an SMTP server that will map INCOMING port 25 to 587?

<div>
The only way that you could use Verizon's system would be if they hosted your MX records. Most ISPs offer that service and would probably forward the message to your server on port 25 - as the port block will be between their network and the Internet. <br />
<br />
Simon. 
</div>


The only way that you could use Verizon's system would be if they hosted your MX records. Most ISPs offer that service and would probably forward the message to your server on port 25 - as the port block will be between their network and the Internet.

Simon.

<div>
some isps close port 25 and allow their customers to relay thru their smtp server<br />
<br />
is this for clients or your server?
</div>


some isps close port 25 and allow their customers to relay thru their smtp server

is this for clients or your server?

<div>
<div class="content wysiwyg-content">
Verizon blocks incoming port 25 requests.<br />
We have an exchange server.<br />
Our exchange server accepts SMTP on 25 or 587 incoming.<br />
DynDNS offers MailHop to forward all 25 to 587.<br />
Do I have any other choice?
</div>
</div>


Verizon blocks incoming port 25 requests.
We have an exchange server.
Our exchange server accepts SMTP on 25 or 587 incoming.
DynDNS offers MailHop to forward all 25 to 587.
Do I have any other choice?

Exchange+Verizon SMTP 25 blocked, should I use MailHop Relay port 25 to 587?

Networking is the process of connecting computing devices, peripherals and terminals together through a system that uses wiring, cabling or radio waves that enable their users to communicate, share information and interact over distances. Often associated are issues regarding operating systems, hardware and equipment, cloud and virtual networking, protocols, architecture, storage and management.

Networking

The term broadband commonly refers to high-speed Internet access that is always on and faster than the traditional dial-up access. Broadband includes several high-speed transmission technologies such as digital subscriber line (DSL), cable, fiber optics, wireless (for which there is a separate topic), satellite and broadband over powerlines (BPL).

Broadband

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.