mail issue

Experienced as linux server administrator and worked from past more than 4 years. Working on web server of apache/nginx, database server mysql/mariadb setup and performance optimization. Also working on security setup and malware removal of server and websites. Worked on different panel like cpanel/whm , plesk, directmin or more open source panel. Worked with different server hosting including AWS , digitalocean, rackspace, linode, godaddy , 1and1 and more there. Thanks Balvinder Singh

1) Is SPF record created for the domain 2) is RDNS pointing to FDNS of the domain About myself, 6+ yrs of relevant exp in Linux with followings 1) OS: Redhat,CentOS,Fedora Debian and Ubuntu with Server Management, User management Bash scripting to take daily backups for database and code 2) APPLICATIONS:: a) LAMP Platform MemCache, Opcache b) SVN server c) Redmine 2.x, 3.x installation on CentOS 6 d) Webservers: Apache Nginix e) Load Balancing Ngnix, HAproxy 3) DATABASE:: MySQL/MariaDB/Percona installation, replication, galera cluster percona cluster,performance tuning and troubleshooting 4) MONITORING TOOLS:: a) Nagios with email and way2sms gateway notifications b) Zabbix 2.4 with Email and ez-texting notifications. 5) CLOUD: a) AWS:- EC2 with autoscaling, VPC, RDS, Elasticache, S3, CloudFront, Route53 and SES b) DigitalOcean: 6) OTHER TECHNOLOGIES:: Email marketing, DNS (power DNS setup with replication), LTSP, Redis, XenServer, KVM, DHCP ISPConfig3, Webmin/virtualmin,CWP,ERPNext

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