I gang

Clean up, tune up and make secure the OS and mail-servers installed on an un-managed server

I have a CentOS 7 Linux installed on Linode.

There are installed the mail servers too. They all work, but its not optimized.

The SMTP server has some vulnerabilities, and so third parties use my email server to send unauthorised emails.

What I am asking for from an expert:

- Optimize the CentOS in general and make it secure.

- Detect vulnerabilities in mail server and fix them. Make servers 100% secure.

You MUST have previous experience with Linode or possibly Digitalocean and with unmanaged servers.

If you know what this is about it shouldn't take much of your time.

Notes:

- Automatic bids are not considered.

Evner: Linux, Netværksadministrator, PHP, Server, System Administrator

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Om arbejdsgiveren:
( 83 bedømmelser ) Tokyo, Japan

Projekt ID: #19818800