Improve company productivity with a Business Account.Sign Up

  • Status: Solved
  • Priority: Medium
  • Security: Public
  • Views: 604
  • Last Modified:

block outbound port 25 traffic from the workstations

CBL is Black listed our IP . we checked  and cleand with so many anit spam /malware softwares , but no use we listed back again .

so  I would like to block outbound port 25 traffic from the workstations but obviously would still like to be able to send out mail through our server.  We're using a ST605router and how i can do it in this router ?
  • 2
1 Solution
Create 2 rules on the router:
a. Block all outbound traffic with port destination 25,
b. Allow outbound traffic with port destination 25 for the server's IP address, only.
VinodbalathAuthor Commented:

i am not that much expert , can you explaining , how can create this rules in our router.
we are using thomson speedtouch ST605 Business router ,which is provided by our ISP.
Since you closed the question, I understand you have found the solution yourself after following my suggestion. Have a nice day!
Question has a verified solution.

Are you are experiencing a similar issue? Get a personalized answer when you ask a related question.

Have a better answer? Share it in a comment.

Join & Write a Comment

Featured Post

Worried about phishing attacks?

90% of attacks start with a phish. It’s critical that IT admins and MSSPs have the right security in place to protect their end users from these phishing attacks. Check out our latest feature brief for tips and tricks to keep your employees off a hackers line!

  • 2
Tackle projects and never again get stuck behind a technical roadblock.
Join Now