email spam blocking for isp hosting apache

Budget $30 - $250 USD
Bids 12
Average Bid $109

I have a hosting www server with several hundreds of custommers, php, postfix. Often some of users have an evil script which generate a spam. I need a solution for avoiding or blocking it without disable users to send legitimate emails from server. Give me overview of your solution and your expertise.

Post a Project Like This

This project was awarded to

ezbik

Realy professional and skilled Linux admin this was not the first time i hire him and i recommend him to all who need a stable and secure linux system. He is able to setup a server with all requirements in high speed, he is very flexible in troubleshooting he identificate the problems and fix it without you need to ask him for every smal detail he he update you with reports and let you know what he do on your servers thank you erik for again a professional and very fast admin work
About the Freelancer
ezbik Profile Picture

System administration is my work & hobby.

Looking to make some money?

  • Set your budget and the time frame
  • Outline your proposal
  • Get paid for your work

Bids on this Project

  • tanujchugh Profile Picture

    tanujchugh

    Jaipur,  India

    Certifications * Red Hat Certified Engineer * Red Hat Certified Security Specialist (RHCSS) o Red Hat Certified "Network Service & Security" o Red Hat Certified "Linux Directory Server & Authentication Security" o Red Hat Certified "Security Enhance Linux Web Hosting Expertise:- WHm/Cpanel, Website Panel/ DotNet Panel ,Plesk Panel Managed Dedicated Services,Managed VPS Services, Server Management, Server Security Server Monitoring , Server Setup and Management, Backup Management , Backup Recovery, Server Migration, SSL Installation , Interspire Email Marketer ,Bulk Mailing Server DDOS Protection, NGINX Unix Type Operating Systems LINUX RedHat7.x, 8, 9 to Enterprise Linux FedoraCore x, CentOS 5x 6.x, Slackware 8,9.x Ubuntu / Debian UNIX Sun Solaris 8, 9, 10 (Sparc and Intel) FreeBSD 4.x - 8.x OpenBSD Virtualization technologies:- Open VZ Virtuozzo Hyper v Database Servers MSSQL 2005/2008, MySQL Applications SMTP Qmail, Sendmail, Postfix, Power MTA (PMTA) Domain Keys/DKIM dkim-milter, dk-filter, opendkim, dkim-proxy, qmail domainkeys/dkim patches POP/IMAP CourierImap, Fetchmail, Qpopper, Dovecot Other Mail Vpopmail, Ezmlm, Maildrop, SquirrelMail with many modules WEB Apache (mod _php, mod_jk2, mod_jserv, mod_auth, Virtual webhosting, chroot) Tomcat, JBoss Squid (refresh patterns, transparent, async, diskd, icp) DNS Bind (acls, replication, chroot) NetFlow Flow-Tools, FlowScan Radius FreeRadius, Radiator (realms, proxy, mysql, oracle and mssql configurations) Monitoring/Graphing Nagios, MRTG, RRDtools, Smoke Ping, Cacti, SquidGraph Aniti Spam/Anti Virus Spamasassin with razor2 pyzor bayes, OpenBSDs spamd (grey listing), ClamAV, qmail-scanner PPPoE Roar Penguin PPPoE, BSD PPPoE Server Software Raid Solaris Volume Manager SNMP Net-SNMP (customized enterprise OIDs) Security tools Tripwire, Portsentry, TCPwrappers, NMAP, PAM, Sudo, chkrootkit DHCP ISC DHCP Server(Linux installation using PXE boot) FTP Vsftpd, Proftpd Other Applications POPTop (ppptp server) Quota-tools, PhpMyAdmin, Daemon-tools, IProute2, NFS, Syslogd, Yum, CVS-UP, Portupgrade, samba Email Campaign Managers:- Interspire, OpenEmm Firewalls UNIX/LINUX iptables, ipchains, ipfw, pf, ipf Devices OSs filtering in ios, aos, webos, extremeware CBQ, dummy net, ALTQ, iptables(byte limit), SNAT, DNAT, multiple gateways routing, port forwarding, filtering on criteria of TTL/TOS/MAC, statefull inspection, SYN flood protection. CSF Website Development:- *CMS Development *Wordpress and Joomla Development *E-Commerce Development *WHMCS Development

    PHP, Graphic Design, Internet Marketing, and System Admin

  • indivar Profile Picture

    indivar

    Mohali,  India

    We at Indivar are growing team of young, dynamic and enthusiastic professionals having expertise in varied domains and many years of cumulative experience and knowledge. Our skills include PHP 5.0, Drupal, Wordpress, JavaScript, MySQL, JQuery, AJAX, E-Commerce, Testing & QA, mobile application development, CRM applications and System administrative support. Our team has more than 250 man years of development experience in various technologies and platforms thus are perfectly suited to handle this kind of project.

    PHP, ASP, Java, and Javascript

  • techwelf Profile Picture

    techwelf

    kolkata,  India

    A growing website development company that provides high quality services for the clients all over the world. We are a team of highly experienced professionals in different areas of computer science. We work based on four main principles: Quality - the highest quality of products is guaranteed including free support. Time line - we provide our services in strong time deadlines. Communication - we try to be always online and free for communications. Security - All the information/transactions is highly secured.

    CMS, Social Engine, eCommerce, and PayPal API

  • linuxfreak1985 Profile Picture

    linuxfreak1985

    Karachi,  Pakistan

    turning your Ideas into GREAT ECOMMERCE PLATFORMS! Greetings! LinuxFreakz is the top freelancer based in Karachi, I have been serving Website Design / Development / Android and Server Administration jobs for past 6 years. My Expertise: 1. Wordpress Themes / Plugins Coder 2. Responsive Website Design / Bootstrap / HTML5/ CSS3 3. Woocommerce plugins / Websites 4. Android / Mobile Phone 5. Ecommerce Solutions 6. Linux Server Administration 7. INTERSPIRE / MAILWIZZ / POWERMTA 8. Email Delivery Consultant Terms of Service • 100% Customer Satisfaction • Perfect 5 star reviews!! • Good communication availability 24/7

    PHP, Java, Javascript, and Website Design

  • ezbik Profile Picture

    ezbik

    Minsk,  Belarus

    System administration is my work & hobby.

    PHP, Perl, Script Install, and System Admin

  • nknk Profile Picture

    nknk

    Minsk,  Belarus

    NK Support is your fully managed server support and developer team. Here's a short list of our specialty keywords: - Server Management - Data Center Management - DevOps - Linux - Unix - BSD - Windows - Dedicated hosting - Cloud - Clusters - High-Load and High-Availability solutions - Networking - Media Streaming

    PHP, Perl, Java, and Python

  • Nick1 Profile Picture

    Nick1

    Montevideo,  Uruguay

    System Administrator and Network Administrator for a well known Linux Server Management company with 500+ servers under Management. I've experience in configuring, tweaking, securing, migrating and troubleshooting servers, also dealing with helpdesk tickets. Cisco Certified Associate (CCNA) and Certified Linux System Administrator. Do not hesistate in contact me, I will be glad to participate in your project.

    Script Install, System Admin, Linux, and Web Security

  • jenzeerbasheer Profile Picture

    jenzeerbasheer

    Cherthala,  India

    I am an Redhat certified 6 year experienced Server administrator contact me for any Server issue.

    System Admin, Linux, Apache, and DNS

  • allroundexperts Profile Picture

    allroundexperts

    Lahore,  Pakistan

    Allroundexperts is a leading Website Design and Development Company. We express our mission of providing highly creative and custom website solutions and Graphics Solutions for empowering personal and business processes at the most affordable prices. Today, we are recognized as world's leading brand in website design and development. We develop creative websites which are custom, highly functional and meet the requirements of our customers, in the most cost-effective fashion. We specialize in Award-Winning Websites Design, Content Management Systems, E-Commerce Solutions, Online Marketing and Print and Identity Designs for businesses and individuals. Skills: Zend, CodeIgniter, Cake PHP, OpenCart, Joomla, WordPress, OsCommerce, PHP 5, MySql, Ajax, HTML5, CSS3, Web Services, different APIs and Payment Gateways, E-commerce, Social Networking, CMS, Open Sources, Mobile Websites, Bootstrap, Paypal, and etc

    PHP, Javascript, Website Design, and Graphic Design

  • dreamdata Profile Picture

    dreamdata

    Dubai,  United Arab Emirates

    i am server manager since 2007 , i have many experience on server issues , security and optimizing ... check my feedbacks to find how is my job, regards

    PHP, Visual Basic, Graphic Design, and System Admin