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Deseo contar con un servidor de correo Carbonio Community funcionando sobre Ubuntu. El VPS ya está provisionado con una instalación limpia de Linux; tu misión es: • Instalar la última versión estable de Carbonio Community, dejarla operativa con los servicios necesarios (webmail, calendarios, contactos, ActiveSync si corresponde) y crear un dominio de prueba para verificar el envío y la recepción. • Aplicar una configuración básica —puertos, certificados TLS, ajustes de DNS como SPF, DKIM y DMARC— para que el correo se entregue sin problemas de reputación. • Endurecer la instalación con foco específico en la seguridad del servidor de correo: reglas de firewall acordes, protección frente a fuerza bruta, filtros antivirus/antimalware y cualquier otra medida que consideres imprescindible para un entorno productivo. Entrego acceso root por SSH y, al finalizar, necesito un breve documento con los comandos ejecutados y los ficheros modificados para poder reproducir el proceso o restaurar la configuración si es necesario. Si ya has desplegado Carbonio sobre Ubuntu anteriormente, coméntame tu experiencia y el tiempo estimado; la idea es avanzar esta misma semana.
Projektin tunnus (ID): 40231974
27 ehdotukset
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Aktiivinen 23 päivää sitten
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27 freelancerit tarjoavat keskimäärin €442 EUR tätä projektia

Hi, I have 10 years of experience and knowledge as system administrator setup and management of different Linux Web Hosting Servers, AWS servers,Cloud Servers, GPU Servers, Server Monitoring, Server Security, Server Optimisation, Mailing Servers, Email Marketing, SSL, DNS, Apache, Nginx, etc with Cpanel, Plesk, Virtualmin or other panels. Services such as cPanel/WHM, Plesk, Virtualmin LAMP Stack, Tomcat, MySQL/MariaDB, Zimbra, Postfix mail server, Mailenable, smarter mail, MS SQL,AWS , etc. Please discuss to start. Thank you
€250 EUR 1 päivässä
7,5
7,5

Hi, I have 8+ years of experience as a System Administrator with hands-on expertise in setting up and managing Linux web hosting and cloud servers, including server security, monitoring, and performance optimization. I work with Apache, Nginx, DNS, SSL, Cloudflare configuration and hosting panels such as cPanel/WHM, Plesk, and Virtualmin, and I also handle email server setup and email marketing environments. I provide complete server deployment along with SSL installation (free or paid), including HTTPS configuration and final verification to ensure everything works smoothly. Please discuss your requirements so we can get started. Thank you
€500 EUR 1 päivässä
6,2
6,2

Hi I can deploy a fully functioning Carbonio Community mail server on your clean Ubuntu VPS, configure webmail, calendarios, contactos y ActiveSync (si corresponde), and validate full send/receive through a test domain. The main technical challenge is ensuring correct DNS + TLS alignment so mail delivers without reputation issues, and I solve this with proper SPF, DKIM, DMARC, certificate setup, and strict MTA configuration. I’ll also harden the server with firewall rules, brute-force protection, antivirus/antimalware filters, and other security measures essential for a production-grade mail environment. Once complete, you’ll receive clear documentation listing commands executed and files modified so you can reproduce or restore the setup anytime. I’ve deployed Carbonio on Ubuntu before and can deliver a clean, stable, well-secured installation. Thanks, Hercules
€500 EUR 7 päivässä
5,8
5,8

Hola mi nombre es David, soy administrador de servidores Linux he trabajado con la instalacion, configuración y validación de servidores de correo incluyendo carbonio, pude ver mi perfil escríbeme y podemos llegar a un buen acuerdo
€251 EUR 7 päivässä
5,4
5,4

Hola! Si bien no tengo experiencia previo con el software de Carbonio he estado revisando un poco los detalles y tal, y lo puedo instalar fácilmente, el proceso de instalación será rápida, segura y eficiente. Contacteme ahora!
€500 EUR 2 päivässä
4,6
4,6

With over 10 years serving clients as a certified WordPress developer in an array of development projects, I have amassed extensive knowledge and hands-on experience in Linux, System Admin, and Web Hosting - skills that are deeply relevant to the successful completion of your Email Server setup project. I understand exactly what it takes to design a functional server environment and navigate complex installations like Carbonio Community with ease on Ubuntu. One particular aspect that I have specialized in for the past five years is securing servers properly. Whether it is implementing appropriate firewall rules, shielding your system against brute force attacks or integrating robust antivirus/antimalware filters for maximum safety, employing stringent security measures has always been my top priority, and undoubtedly an important one in any productive environment. Moreover, my fast turnaround time, seven days availability every week and a propensity for maintaining great reputation throughout my career make me an ideal candidate for this project. As a bonus, I'll provide you with a comprehensive document detailing all commands executed and files modified during the setup process. This will prove invaluable should you need to retrace our steps or restore previous configurations. Choose quality workmanship and optimal suggestions - choose me. Reverse the cycle; stop shopping for perfection – attain it!
€750 EUR 15 päivässä
4,7
4,7

** HUMAN PROPOSAL - NO BOT TEXT *** Hello, I can architect and deploy your Carbonio Community mail server on your Ubuntu VPS immediately. I noticed you need a complete setup including ActiveSync, webmail, and strict DNS configurations like SPF, DKIM, and DMARC to ensure your emails land in the inbox and not the spam folder. The biggest challenge with self hosted email is establishing a solid IP reputation and preventing abuse from the moment port 25 is opened. I will connect via SSH and install the Carbonio packages directly on your clean Linux environment. I will configure the internal mail transfer agent routing and bind your test domain with proper TLS certificates for secure transit. To harden the system against outside attacks, I will implement a strict firewall ruleset, deploy automated IP banning for brute force attempts, and configure robust antivirus scanning for all incoming attachments. Once everything is running seamlessly, I will hand over a clear document containing every command used so you can manage or rebuild the environment easily. I guarantee I will support you until the server achieves a perfect delivery score and runs securely without any connection errors. Best, Ahmad
€370 EUR 3 päivässä
4,4
4,4

Cordial Saludo Estoy interesado en el proyecto, soy sysadmin con experiencia en despliegue de servidores de correo, puedo implementar Carbonio en su VPS con sus respectivas configuraciones y seguridad correctamente, puedo empezar de inmediato David.
€300 EUR 3 päivässä
3,7
3,7

Hola, soy Leo Sarmiento, Desarrollador Full-Stack con 10 años de experiencia y especialización en servidores de correo sobre Linux. He desplegado Carbonio Community Edition en múltiples ocasiones y conozco al detalle su instalación: desde el registro para obtener el repositorio, el bootstrap inicial, la configuración de Carbonio Mesh, hasta el hardening con TLS, firewall y los registros DNS críticos (SPF, DKIM, DMARC, rDNS) que garantizan la entregabilidad del correo. Entregaría su servidor completamente operativo con webmail, calendarios y contactos, junto con documentación detallada de cada comando y archivo modificado. ¿Podemos agendar una breve llamada para conocer los detalles específicos de su VPS y dominio?
€350 EUR 7 päivässä
3,2
3,2

Hola, He desplegado servidores de correo completos en Ubuntu (Postfix/Dovecot, Zimbra y Carbonio Community) en entornos productivos, incluyendo configuración DNS, TLS y hardening. Puedo dejar tu VPS con la última versión estable de Carbonio Community totalmente operativa esta misma semana. Instalaré y validaré webmail, calendarios, contactos y ActiveSync si aplica. Configuraré un dominio de prueba y realizaré pruebas reales de envío/recepción. También ajustaré SPF, DKIM y DMARC correctamente para evitar problemas de reputación. En seguridad aplicaré firewall restrictivo (UFW/iptables), fail2ban contra fuerza bruta, antivirus/antimalware, cierre de puertos innecesarios y revisión de permisos y servicios activos. Entrego documentación clara con comandos ejecutados y archivos modificados para que puedas replicar o restaurar la configuración. Pregunta clave: ¿El VPS ya tiene IP limpia y rDNS configurado por el proveedor? Esto es fundamental para la correcta entrega.
€500 EUR 7 päivässä
2,9
2,9

Hello, I can deploy Carbonio Community on your Ubuntu VPS and deliver a fully operational, secure, production-ready mail server. The setup will include: - Installation of the latest stable Carbonio Community release - Webmail, Calendars, Contacts, and ActiveSync (if required) - Proper TLS configuration (Let’s Encrypt) - SPF, DKIM, and DMARC setup for reliable deliverability - Firewall hardening, Fail2ban protection, and antivirus configuration - Creation of a test domain for send/receive verification - A concise technical document listing executed commands and modified files I have hands-on experience with Linux-based mail server deployments and understand the importance of IP reputation, rDNS alignment, and security hardening in production environments. Estimated timeline: 2–3 working days (depending on DNS access and VPS specifications). Before proceeding, I would like to clarify a few points: 1. Is reverse DNS (PTR) already configured to match the intended mail hostname? 2. What are the VPS specifications (RAM, CPU, storage), and is port 25 fully open? 3. Will I have full DNS management access to configure SPF, DKIM, and DMARC records? I’m ready to start this week. Best regards, Momin
€500 EUR 7 päivässä
2,5
2,5

Aquí tienes una versión optimizada para el límite típico de Freelancer (clara, técnica y directa): --- Hola, El proyecto es totalmente viable y puedo implementarlo esta misma semana. He desplegado servidores de correo sobre Ubuntu en entornos productivos, incluyendo configuraciones completas con MTA, TLS, SPF, DKIM y DMARC, asegurando correcta entregabilidad y seguridad. **Enfoque de trabajo:** 1️⃣ Instalación de la última versión estable de Carbonio Community respetando versión soportada de Ubuntu. Configuración completa de webmail, calendarios, contactos y ActiveSync (si aplica). Creación de dominio de prueba y validación de envío/recepción. 2️⃣ Configuración DNS y reputación: * SPF * DKIM firmado correctamente * DMARC * PTR (reverse DNS) * TLS válido (Let’s Encrypt) 3️⃣ Endurecimiento de seguridad: * Firewall (UFW) * Fail2ban * Protección anti-relay * Ajustes antispam/antivirus * Endurecimiento TLS 4️⃣ Documentación final: Entrega de documento con comandos ejecutados, configuraciones modificadas y checklist DNS para reproducibilidad. **Tiempo estimado:** 12–18 horas según recursos del VPS y estado de la IP. Si me confirmas versión de Ubuntu y especificaciones del VPS (RAM/CPU), puedo comenzar de inmediato. Quedo atento.
€900 EUR 7 päivässä
2,4
2,4

Hello, I have extensive experience deploying Carbonio Community on Ubuntu, including webmail, calendars, contacts, ActiveSync, and full DNS/TLS/email reputation setup (SPF, DKIM, DMARC). My approach is: provision the server, install Carbonio latest stable, configure a test domain for send/receive verification, secure the stack (firewall, brute-force protection, antivirus/antimalware), and document all commands and modified files for reproducibility. I typically complete this setup within 2–3 days. Could you confirm if you prefer self-signed TLS for testing or full Let's Encrypt certificates? Budget: $350 USD. Timeline: 3 days from access provision. Looking forward to hearing from you. Thank you.
€350 EUR 3 päivässä
2,1
2,1

Hi, there. I can confidently say, "I can do it perfectly." I don't think a long explanation is necessary. With my solid experience in System Admin, Linux, Web Hosting, VPS, Ubuntu, Documentation, Firewall, I will do my best until you are completely satisfied with the final result. I look forward to working with you. Thank you for your time and review. Boris.
€500 EUR 10 päivässä
0,0
0,0

✅✅Hello, Expert here for your project!!!✅✅With more than eight years of experience as a full-stack and smart contract engineer, I am confident in my ability to deliver an exceptional result for your project. Having worked extensively with Linux as part of my skillset, I can efficiently install the latest stable version of Carbonio Community on your Ubuntu operating system. My proficiency extends beyond just installation. I will configure every necessary service to ensure its smooth and effective operation, including webmail, calendars, contacts, and if required, ActiveSync. Moreover, my expertise in managing security for communication systems perfectly aligns with the security-focused tasks you need accomplishing. Over the years, I have implemented robust firewall policies, brute-force protection mechanisms, and thorough antivirus/antimalware solutions to safeguard client systems. Finally, documenting each step I undertake during the process is yet another one of my key strengths. At the end of the project, you will receive a concise guide containing executed commands and modified files that will be instrumental should you need to reproduce or restore any part of the configuration down the road. Let's work together to deploy this server milieu this week itself! Contact me for an outstanding delivery!✅✅
€250 EUR 3 päivässä
2,4
2,4

Greetings, I see you're looking to set up a Carbonio Community mail server on your Ubuntu VPS. It sounds like a great project! My approach would involve installing the latest stable version of Carbonio and ensuring that all essential services like webmail, calendars, and ActiveSync are fully operational. I would also set up a test domain to verify that sending and receiving emails works smoothly. On top of that, I would apply necessary configurations for TLS certificates, and DNS settings to establish good email reputation. Security is crucial, so I'd implement firewall rules, brute force protection, and antivirus measures to harden your server. I have experience deploying Carbonio on Ubuntu, and I'm confident I can get this up and running effectively for you. At the end of the process, I’ll provide a concise document detailing all commands and configuration changes made, ensuring you have everything you need for future reference. Best regards, Mehran Riaz
€350 EUR 7 päivässä
0,0
0,0

Hola, ¿qué tal? Tengo experiencia desplegando Carbonio Community sobre Ubuntu, incluyendo instalación completa, configuración de servicios (webmail, calendarios, contactos, ActiveSync), y ajuste de DNS para asegurar una correcta reputación de envío (SPF, DKIM, DMARC). Puedo encargarme de: - Instalación limpia de la última versión estable - Configuración del dominio de prueba para envío/recepción - Certificados TLS - Ajustes de puertos y servicios - Endurecimiento del servidor (firewall, fail2ban, antivirus, antimalware, hardening general) - Documentación final con todos los comandos y archivos modificados Ya he trabajado con Carbonio y Zimbra en entornos productivos, así que conozco bien su arquitectura y los puntos críticos de seguridad. Tiempo estimado: 3 días para dejar todo funcionando, probado y documentado. Puedo comenzar esta misma semana.
€500 EUR 7 päivässä
0,0
0,0

550 €, 5 días. Trato cada producto como si fuera mío: con dedicación, integridad y un compromiso total con tus objetivos. Implementé servidores Carbonio CE en un VPS Ubuntu para más de 5 clientes con correo web, calendarios y ActiveSync. Me encargué de mi rol como administrador principal de sistemas utilizando el repositorio oficial de Zextras, instalaciones de apt, configuraciones pendientes y firewalls UFW reforzados. Instalaré la última versión estable de Carbonio CE mediante una configuración optimizada del repositorio y un arranque, configuraré TLS/DNS (SPF/DKIM/DMARC), probaré el dominio y luego lo bloquearé con Fail2Ban, ClamAV y reglas de firewall personalizadas. Recibirás una documentación limpia con todos los comandos y archivos modificados. Preguntas: 1) ¿Especificaciones del VPS (RAM/CPU/almacenamiento)? 2) ¿El dominio está listo o necesita configuración? 3) ¿Necesitas usuarios/cuotas específicas? Hablamos directamente aquí para concretar los detalles y empezar hoy mismo.
€550 EUR 5 päivässä
0,0
0,0

Hi there, I can deploy Carbonio Community on your clean Ubuntu VPS and leave it production-ready: webmail, calendars, contacts, and desktop/mobile connectivity (ActiveSync/EAS where applicable). I will create a test domain and users to verify inbound and outbound mail end-to-end. All work is done via SSH with the root access you provide. Plan: - Prep: set correct FQDN/hostname, DNS baseline, NTP, updates, and required packages. - Install latest stable Carbonio Community and validate core services (MTA, mailbox, web) with real send/receive tests. - TLS: issue/install a valid certificate (Lets Encrypt or your cert), force HTTPS for webmail, and enable secure SMTP submission and IMAP. - Deliverability: configure SPF, DKIM, and DMARC, align HELO and PTR/rDNS, and run a deliverability check to confirm clean headers. - Security hardening: firewall allowing only necessary ports, Fail2ban for brute force, SSH hardening, rate limits, plus antivirus/antimalware and anti-spam tuning. - Ops basics: backups (config + data), log rotation, and a short maintenance checklist. Handover: a concise document listing commands executed and files modified, plus where to manage domains/users and renew certificates. I can provide a quick demo first (webmail login plus send/receive), then complete hardening and documentation this week. Best regards Yevhenii
€250 EUR 7 päivässä
0,0
0,0

Hey , Thank you for sharing the job details. After going through the description, it’s clear you need someone confident with System Admin, Ubuntu, VPS, Linux, Firewall, Web Hosting and Documentation and can deliver clean, reliable results. That is exactly the kind of work done day to day, so this project is a great fit. Before getting started, there are a few points that would really help shape the best solution for you: Are all the mentioned skills and features mandatory, or is there any flexibility in the tech stack and scope? Is there any existing code, design, or documentation available, or should this be developed completely from scratch? What is your ideal timeline and any hard deadlines for milestones or final delivery? Why work with me? 1. More than 250 major projects completed, including complex, long-term engagements. 2. No negative feedback over the last 5 to 6 years, reflecting consistent quality and reliability. 3. 100+ recent major projects with 5-star reviews, showing that clients are not only satisfied but return with more work. Availability: 9 AM to 9 PM Eastern Time (full‑time freelancer, easy to collaborate and quick to respond). Portfolio: https://www.freelancer.com/u/syeds273 Recent, relevant work samples will be shared privately to protect client confidentiality. Please start the chat so we can finalize the project details, expectations, and the best execution plan. Regards, Syed.
€250 EUR 3 päivässä
0,0
0,0

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