Block connections to TCP 25,587 without authorization

let me help you!!

Ready to do.

please see PMB.

Can do this. Kindly check PM

System Admin, Linux & Cloud Computing expert ready to complete your work.

If your remote server is Linux, I'd gladly help, And it would be an 99$ project, 250 is ways to high. Thank you.

I am a Linux Consultant, I can do this

I know how to do this. 1. We need intercept TCP ports 25 and 587 and redirect they to SMTP proxy. 2. Needed SMTP proxy allowing only autorized connections. This smtp proxy is not so trivial because of TLS and SSL connections.

Hello, I can help you with this.

Hi there can do it for you within 1hr. Thanks and Regards, Manoon Abbasi.

Hello, I'm ready to do it for you. Please see private message. Thanks, Solt

I can do it within half an hour, before that I only wanted to know that name of SMTP server installed you have installed.

Dear Sir, I will be able to block ports on dedicated server machine. I have configured SMTP service, so it should be simple. My gratitude will be 100$ (250$ is too much for this simple job) I am looking forward for a positive response from you.