Linux

I need a technically sound partner to stand up a dedicated SMTP environment that can push large-volume newsletter traffic into Gmail, Outlook, and Yahoo inboxes with minimal friction. My preference is... (Budget: $30 - $250 USD, Jobs: Bulk Marketing, Email Handling, Email Marketing, Interspire, Linux, Postfix, SMTP, VPS)

I need a production-ready SMTP server that can reliably push 3,000+ messages every day while keeping at least 90 % of them in the primary inbox, not the spam folder. The environment must be properly authenticated with DKIM, SPF, and DMARC, and every connection secured over SSL/TLS... (Budget: $30 - $250 USD, Jobs: DNS, Documentation, Linux, Postfix, SMTP, System Admin, Ubuntu, VPS)

I am ready to move straight into the Execution and Testing phase of ITSAR for a new telecom product and need a specialist who can see the process through to formal certification. Here is what the engagement... (Budget: ₹12500 - ₹37500 INR, Jobs: Cisco, Computer Security, Internet Security, Linux, Network Security, Penetration Testing, Telecommunications Engineering)

Click-to-Call API Integration for Campaign-Based and Agent-Based Outbound Dialing Need to develop a click to call api in the vicidial server. 1. The API shall identify the target campaign and agent. 2... (Budget: ₹1500 - ₹12500 INR, Jobs: API Development, Asterisk PBX, Call Center, Linux, PHP)

Our stack runs on a mix of Proxmox VMs, bare-metal Linux, and Docker containers that host several resource-intensive workloads (WordPress sites, small AI services, internal tools). Performance has started... (Budget: €250 - €750 EUR, Jobs: Ansible, Apache, Docker, Linux, Network Security, Nginx, PHP, System Administration, User Interface / IA, Virtualization)

Title: Complete Two-Mode AI Calling System Using TeleCMI, Asterisk, Sarvam and ElevenLabs Budget: Fixed price Duration: 1 to 3 days Type: Debugging, integration, testing and handover We need an experienced... (Budget: ₹1500 - ₹12500 INR, Jobs: AI (Artificial Intelligence) HW/SW, AI Development, AI Integration, AI Voice Agents, Asterisk PBX, Cisco, Linux, Telecommunications Engineering, Voice Agents, VoIP)

I’m looking for a seasoned DevOps mind to streamline my GitHub-based CI/CD workflow and tighten the security of a handful of Linux servers. On the CI/CD side, everything lives in GitLab. I need practical... (Budget: $8 - $15 AUD, Jobs: CI/CD, DevOps, Docker, GitHub, Internet Security, Linux, System Admin, Ubuntu)

I need Amazon Simple Email Service configured from scratch so I can reliably distribute large-volume transactional emails. Once the SES account is live, I want it wired into my existing Outlook environment,... (Budget: $10 - $30 USD, Jobs: Amazon Web Services, DNS, Email Marketing, Linux, SMTP, Web Hosting)

I have a fresh install of the Vibe server application running as a VoIP bandwidth optimizer and I’m stuck at the configuration stage. My immediate goal is to finish the initial setup, fine-tune the optimizer... (Budget: $30 - $250 USD, Jobs: Asterisk PBX, Linux, Network Administration, Network Monitoring, Network Security, SIP, Telecommunications Engineering, VoIP)

Project Overview: I need a technical developer to remotely assist in installing, configuring, and testing an open-source Python computer vision video processing repository from GitHub onto my Windows PC via TeamViewer or AnyDesk... (Budget: ₹1500 - ₹12500 INR, Jobs: Computer Vision, Deep Learning, Git, Linux, Python, Software Architecture, Video Processing, Video Streaming)

I’m looking for an experienced network and system administrator to take full ownership of our small-to-mid-sized office network. The environment is being refreshed from the ground up, so I need help at... (Budget: $750 - $1500 USD, Jobs: Cisco, DNS, Linux, Network Administration, Network Monitoring, Network Security, System Admin, System Administration)

Project: Smart Device Health Monitoring Unit Project Objective: Develop an embedded device that monitors the health of 3-5 connected devices, displays status locally, stores events, and reports alarms to a server... (Budget: ₹1500 - ₹12500 INR, Jobs: Alarm Systems, C Programming, C++ Programming, Electronics, Embedded Systems, I2C, Linux, Microcontroller)

I need a complete 3CX instance brought online for an Australian operation today—ideally within one to two hours of kickoff. The build must include a working SIP trunk (no provider pre-selected, so feel... (Budget: $30 - $250 AUD, Jobs: Asterisk PBX, Cloud Computing, Linux, Network Administration, Network Security, PHP, SIP, Telecom Sales, Telecommunications Engineering, VoIP)

I need a fresh set of eyes on a new VPN app that is already live on the Google Play Store. Your task is straightforward: install it on an actual smartphone, walk through the entire sign-up flow, establish... (Budget: $2 - $8 USD, Jobs: Android, Android App Development, Documentation, Java, Linux, Mobile App Development, Mobile App Testing, Mobile Development, User Experience Research, VPN)

There was a weird update that occurred in our arch linux system. The home directory doesn't have our ~/dev folder that contained all the relevant stuff for deployment (code sources, jks key etc) It has... (Budget: $30 - $250 USD, Jobs: C Programming, Data Backup, Data Management, Data Recovery, Linux, System Admin, System Administration, UNIX)

We’re a small education organisation replacing a legacy Joomla learning portal with a secure Moodle-based platform. The site hosts ~222 courses and >1,000 videos (~1.3 TB). After a recent compromise we need a secure, maintainable LMS and separation of media from the application server... (Budget: $10000 - $20000 CAD, Jobs: Amazon S3, CentOs, Joomla, Linux, MariaDB, Moodle, MySQL, PHP, Web Security)

I’m ready to move beyond basic protections and put my cross-platform Python application (Windows desktop and Raspberry Pi) through a true white-box security test. My main objectives are: • See whether you can bypass the current access-control logic and gain unauthorized privileges... (Budget: ₹37500 - ₹75000 INR, Jobs: Encryption, Linux, Penetration Testing, Python, Reverse Engineering, Software Architecture, Ubuntu)

MailWizz & PowerMTA Expert Required (Monthly Maintenance) We are looking for an experienced MailWizz + PowerMTA expert for ongoing monthly maintenance of our email infrastructure. Responsibilities * Monitor and maintain MailWizz and PowerMTA servers... (Budget: $15 - $25 USD, Jobs: Bulk Marketing, DNS, Email Marketing, Interspire, Linux, SMTP, System Admin, Technical Support)

The goal is to enhance our existing AI system so it operates as a truly production-grade platform. Today the core models are live, but our pipelines and governance layers lag behind the growing usage of generative AI... (Budget: $250 - $750 USD, Jobs: AI Development, Amazon Web Services, AWS SageMaker, Continuous Integration, Golang, Java, Linux, MLOps, Python)

I’m ready to move beyond basic protections and put my cross-platform Python application (Windows desktop and Raspberry Pi) through a true white-box security test. My main objectives are: • See whether you can bypass the current access-control logic and gain unauthorized privileges... (Budget: ₹12500 - ₹37500 INR, Jobs: Encryption, Linux, Penetration Testing, Python, Reverse Engineering, Software Architecture, Ubuntu)