Why Experts Exchange?

Experts Exchange always has the answer, or at the least points me in the correct direction! It is like having another employee that is extremely experienced.

Jim Murphy
Programmer at Smart IT Solutions

When asked, what has been your best career decision?

Deciding to stick with EE.

Mohamed Asif
Technical Department Head

Being involved with EE helped me to grow personally and professionally.

Carl Webster
CTP, Sr Infrastructure Consultant
Ask ANY Question

Connect with Certified Experts to gain insight and support on specific technology challenges including:

Troubleshooting
Research
Professional Opinions
Ask a Question
Did You Know?

We've partnered with two important charities to provide clean water and computer science education to those who need it most. READ MORE

troubleshooting Question

Open Relay / SPAM / Default SMTP Virtual Server Access

Avatar of RimFire007
RimFire007 asked on
ExchangeSBSMicrosoft Server OS
18 Comments1 Solution1236 ViewsLast Modified:
Hi

A new SBS 2003 R2 (Exchange 2003 SP1) installation. The ISP routes mails directly to the server

I have several thousands of MAILS IN QUEYE and the tests says that the server is Open Relay. Currently I'm freezing the mails in ESM and planning to delete them. The process seems to take awhile (30 mins so far) and I would love to finish it (or is there any quicker way to get rid of those spams?).

I have few end users on the Site using Outlook 2000 - 2007 and couple RPC over HTTPS Outlook users Off Site. I have read "SMTP server failed open relay test"
http://technet.microsoft.com/en-us/library/aa996901(EXCHG.80).aspx

Following above instructions I have done this:

In SMTP Virtual Server / Properties / Access / Relay Restrictions:
clear the Allow all computers which successfully authenticate to relay, regardless of the list below check box, and then click Users to specify a subset of users that you want to grant relay permissions on this SMTP virtual server.

I have granted Submit permissions for AUtenticated Users
I have granted Submit and Relay permissions for selected users (to those who use Outlook)
The Tarpit time is 5 seconds

What can I do? I'm affraid that the ISP will block port 25 pretty soon. I have noticed that there were delays when sending or receiving mails apparently the server were busy processing spam.

Rgs,

Juha


ASKER CERTIFIED SOLUTION
Avatar of sunnyc7
Commented:
This problem has been solved!
Unlock 1 Answer and 18 Comments.
See Answers