0
votes
0answers
116 views

Handing E-mail Bounce Back in IIS, Setting up SMTP

Our servers send e-mails from @example.com to customers, clients, etc. We use Google Apps for our domain to send and receive additional e-mails from @example.com. Now, we're trying to handle e-mails ...
0
votes
2answers
305 views

Exchange 2013 Internal Relay via Smart Host

Thank you for your help in advance! I am currently setting up an Exchange 2013 server, to replace our old POP3/SMTP system, however we would like to roll this out gradually when convenient for our ...
0
votes
0answers
236 views

SMTP relay to Exchange Online - won't work without remote domain smarthosts?

We've got an on-premise SharePoint farm that sends and receives email via an SMTP instance on one of the servers which relays to our on-premise Exchange. We're in the middle of a migration to ...
2
votes
0answers
29 views

I need to set-up the blocked machine to relay to the unblocked machine using a different port

I have two Windows Server 2003 machines sitting in a network. Server B has port 25 open and can relay emails to the local network's smtp server. Server A does not have port 25 open. How can I set it ...
3
votes
3answers
1k views

How to force Windows Server 2008 R2's SMTP server to generate NDRs for non-existing local users?

I have a Windows Server 2008 R2 server with the SMTP service enabled, which provides mail relay to another server for some applications. Sometimes, a message comes in with a wrong "To:" address, ...
1
vote
2answers
291 views

SMTP server to be used for Email Marketing Service

I am trying to build a email marketing service company. I am a .net programmer and I have played around trying to build a custom SMTP server but a lot of problems came up when domain keys into play. ...
1
vote
4answers
213 views

SMTP server requirements

Could someone help answer a few questions regarding the networking / DNS requirements for an SMTP server? Assume the server is setup already. Is a MX record required for SMTP? TCP port 25 open to the ...
0
votes
3answers
564 views

What are the pros and cons of using Microsoft's own SMTP server versus a third party one?

I need to setup a SMTP relay for some web applications that need to send email to its users. I've used hMailServer for that task previously, but I'm thinking of switching to IIS SMTP Virtual Server. ...
1
vote
2answers
874 views

Running/debugging SMTP Event Sinks under windows 2008

I have an SMTP Event Sink to process incoming SMTP email messages to perform special processing. Under IIS 6/SMTP, this event sink runs as expected. Under IIS 7/SMTP, it does not appear to run, even ...
3
votes
2answers
20k views

Easiest way to configure local SMTP server to relay through gmail on Windows?

We have gmail for our corporate email provider. I want to be able to send mail through smtp.gmail.com from ASP.NET. I have managed to do this just fine - and it has the benefit of all sent items ...