I am André, a professional with a strong background in the administration of web domains, DNS, email, and digital certificates, excelling in the implementation of SSL/TLS for websites, email security, and digital signatures. I am familiar with the Linux (Ubuntu) environment and servers, utilizing Webmin to optimize operations. | I am André, a professional with a strong background in the administration of web domains, DNS, email, and digital certificates, excelling in the implementation of SSL/TLS for websites, email security, and digital signatures. I am familiar with the Linux (Ubuntu) environment and servers, utilizing Webmin to optimize operations. |