Hello,
I am available for this job and can help you to configure an email server.
My other server expertise are - Linux, Unix, Zimbra, SMTP, SFTP, Wordpress, cPanel/WHM, CentOS, SSH, AWS, AWS EC2, AWS S3, Digital Ocean, Nginx, VPS server, VPN, Open VPN, Plesk, Godaddy, PHP, MySQL, Apache and many. I can work on any server task.
Please ping me with email login detail, I can start work immediate.
Thanks and Regards