0
votes
1answer
264 views

remote smtp with local failover

i want to make a specific setup for my site but im not sure if its possible or how to do it... The thing is, my site had a few issues which i tracked to connectivity problems to mandrill, so i ...
0
votes
1answer
263 views

Windows SMTP Service - Configure Smarthost for Specific Domains over different ports

I have a client that was recently acquired by a company. Their email system now resides on the parent company's network. Currently there is no VPN setup between my client and the parent company. I ...
0
votes
0answers
231 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 ...
1
vote
0answers
234 views

IIS 6 Smart Host Outbound Security

I'm using the IIS 6 smart host setting to forward all email sent through IIS to SendGrid. It works fine if I set the Outbound Security and smart host settings at the top level of the Default SMTP ...
2
votes
1answer
1k views

How the Postmaster@domain address works

I'm very new to Exchange (in fact, an apprentice and studying it at the moment) and am wondering how the Postmaster@domain.com address works. An example: A smarthost configured with one mailbox, ...
1
vote
3answers
1k views

SMTP smarthost round-robin balancing

Our SMTP provider requires to distribute emails evenly between four different hosts. I understand that the standard way to distribute this kind of load is utilizing DNS round robin feature, but the ...
1
vote
3answers
564 views

Paid SMTP service to decrease probablity being detected as spam?

Is it worth using paid SMTP service to decrease probability being detected as spam? What paid smtp services (except smtp.com) you know? PS: Of course, I'm not going to send spam. PPS: Probably this ...
2
votes
4answers
1k views

Switch smarthosts in Exchange when using dual WAN

I'd like to know if it's possible to setup Exchange 2003/2007 to switch between smarthosts, based on the WAN connection currently in use. Example scenario: I have two WAN connections with different ...