Configure Postfix and DNS records so as to avoid graylisting.

I updated my bid accordingly with your additional info 8seems you have 2 servers). I'm confident I can solve this quickly . -- Hi, you need to add spf records, what is very simple. I can do teh work right now. I can use Teamviewer so you don't need to share your domain password with me. Regards, Sergio.

Dear Customer, this is Yaseen, and i am glad to work for you project, We specialise in Linux Unix VirtualMin Cpanel and Asterisk. I have read the project description and i assure you 100% quality and timely response to your questions. I would like to discuss this project before you award me so that we can proceed with the Milestones and further work details. Some of our Past System administration related projects list is below https://www.freelancer.com/projects/PHP-MySQL/Setup-Kolab-Groupware-work-with.html https://www.freelancer.com/projects/Failover-issue.html https://www.freelancer.com/projects/Linux-Amazon-Web-Services/Linux-Server-Help.html https://www.freelancer.com/projects/Linux/Monit-install-ubntu-linux.html https://www.freelancer.com/projects/Linux-VoIP/VICI-Anything-VPS-astrix-Channel.5694111.html https://www.freelancer.com/projects/Linux-VoIP/voipswitch-alternate-asterik.html https://www.freelancer.com/projects/Migration-reinstall-plesk-ispconfig.html https://www.freelancer.com/projects/Linux/issues-openVZ-server.html https://www.freelancer.com/projects/Proxmox-Server-network-setup-firewall.html https://www.freelancer.com/projects/linux-support-for-proxmox-firewall.html https://www.freelancer.com/projects/linux-support-for-proxmox-firewall.html https://www.freelancer.com/projects/PowerMTA-assistance-required.html Based upon our past feedbacks, please choose our service for the best of your experience at this website

Hi Boss, I have ample experience in linux server administration, website migration, installation and configuration of custom software with security. I can do this project for you. You may please have a look on my profile for further information regarding me. Looking forward for a positive reply from your end. Regards, Minu Thomas https://www.freelancer.com/u/minuthomas.html

Hello Sir, I am Working with 3 tier Data Center Organization as a Mail Server Expert, I have more than 8 years experience in, Linux Server Setup, Configuration, Security, Web security, Web hosting and Database, Mail Services Administration , working on more than 1000 of Linux servers. I have completely go through your project and very interested to work on this project. I will Configure Postfix with DNS to avoid greylisting successfully and fast as working these task on daily basis in data center servers. I will increase required php memory and limits as well best optimze and harden your server. You can also check the feedback/reviews for the reference of my work on my profile. Please give me opportunity to do the same and feel free to let me know if you have any concern. Please initiate chat to discuss more.I will do according your budget tell me. Thanks

Hi, i can help you, by the way, Odessy is right, you can't prevent greylist just with properly SPF/DKIM configured. Greylist is a technic is ALWAYS delay email delivery for some time.

Hi, We are growing IT Company in India having expertise in bulk mailing servers, power mta, interspire and opempro mailing application. Techniques used:- 1. Ip rotation -> Prevent blacklisting 2. Spf ,domain keys enabled-> Increase inbox delivery 3. Reverse dns enabled -> Increase inbox delivery 4. Open relay disabled -> For mailing server security 5. DMARC enabled-> For mailing server security We used to work in many hosting panels like cpanel, plesk, webmin , ispconfig, zpanel, Direct admin etc. We have expert knowledge of Linux, Postfix, Qmin, Exim and all mailing server. We will configure Postfix and MX Record as per your requirements. Thanks

I can handle this task, got experience with unix system and his services. let me knnow. i can start right away

I have worked with windows / Linux servers for more than 6 years, Sendmail Postfix Squid Linux/ windows backup servers Dns Active Directory Joomla Systems Administration and Networking

Questions: Okay, can you manually send emails to the below accounts? Also, would you be able to post some error messages/bounce details? Email accounts - probalbg**@**msn**.com , probalbg**@**yahoo**.com and probalbg**@**gmail**.com (Remove the stars please) Thank you. Probal Rahman