Iredmail is the mail server used by cyber evangelists company. Ired using ldap for authentication mechanisms and mysql on local port 3306. Here is brief configurations.
DNS record for mail.cyberevangelists.com (on which mail server configured) are configurated on godaddy.com
Configuration file which is handeling iredmail requests is located at /etc/nginx/sites-enabled/00-default-ssl.conf .
iredmail using postfix, dovecot and mysl services to mail managemnt
Here is the Complete installtion guide for iredmail
Well if you got Oops...something went wrong! error its mean your mysql service got downed you need to restart it by something like this command service mysql restart.
Your ldap service got down, restart it your problem got resolved....