Realtime Blackhole list (RBL) Question

My boss has a sympatico email account but for some odd reason, sympatico only allows your to send email (smtp) through outlook if your using your sympatico internet service. The problem is that my boss is now in Florida and far away from any sympatico service.

My colleague suggested we use a different SMTP server that we use for the company. The SMTP server is not an open relay but are we still risking being put on a RBL?
supanatralAsked:
Who is Participating?

[Product update] Infrastructure Analysis Tool is now available with Business Accounts.Learn More

x
I wear a lot of hats...

"The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing. Experts Exchange gives me answers from people who do know a lot about one thing, in a easy to use platform." -Todd S.

OnlyodinCommented:
Typically ISP's allow their customers to send mail through the ISP's mail servers, regardless of the 'from' address of the message.

Your boss could try setting his outbound (SMTP) server to that ISP's outbound mail server (usually mail.isp.com or smtp.isp.com, but check with whatever ISP he is using).

The only drawback to this is if you (or sympatico in this case) has SPF (Sender Policy Framework) configured for the domain, mail servers can still reject the mail based on the fact that it was not originally delivered from a trusted sympatico mail server.


Alternatively, some ISP's also allow users to send mail via their mail servers from anywhere so long as the user is authenticated - you could query sympatico to see if they offer this service, and they would also be able to provide the relevant instructions on how to enable it from the client side.

I would not recommend using any server that relays mail from any source, as that mail server would typically be blacklisted very quickly.
0

Experts Exchange Solution brought to you by

Your issues matter to us.

Facing a tech roadblock? Get the help and guidance you need from experienced professionals who care. Ask your question anytime, anywhere, with no hassle.

Start your 7-day free trial
It's more than this solution.Get answers and train to solve all your tech problems - anytime, anywhere.Try it for free Edge Out The Competitionfor your dream job with proven skills and certifications.Get started today Stand Outas the employee with proven skills.Start learning today for free Move Your Career Forwardwith certification training in the latest technologies.Start your trial today
AntiSpam

From novice to tech pro — start learning today.