Upgrade & Secure Your Future with DevOps, SRE, DevSecOps, MLOps!

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Master in DevOps, SRE, DevSecOps & MLOps by DevOpsSchool!

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Top 21 free open source tools for Mail

Mail

  🔸 smtp-tls-checker – check an email domain for SMTP TLS support.
  🔸 MX Toolbox – all of your MX record, DNS, blacklist and SMTP diagnostics in one integrated tool.
  🔸 Secure Email – complete email test tools for email technicians.
  🔸 blacklistalert – checks to see if your domain is on a Real Time Spam Blacklist.
  🔸 MultiRBL – complete IP check for sending Mailservers.
  🔸 DKIM SPF & Spam Assassin Validator – checks mail authentication and scores messages with Spam Assassin.

Secure Webmail Providers

  🔸 CounterMail – online email service, designed to provide maximum security and privacy.
  🔸 Mail2Tor – is a Tor Hidden Service that allows anyone to send and receive emails anonymously.
  🔸 Tutanota – is the world’s most secure email service and amazingly easy to use.
  🔸 Protonmail – is the world’s largest secure email service, developed by CERN and MIT scientists.
  🔸 Startmail – private & encrypted email made easy.

Certification Courses

DevOpsSchool has introduced a series of professional certification courses designed to enhance your skills and expertise in cutting-edge technologies and methodologies. Whether you are aiming to excel in development, security, or operations, these certifications provide a comprehensive learning experience. Explore the following programs:

DevOps Certification, SRE Certification, and DevSecOps Certification by DevOpsSchool

Explore our DevOps Certification, SRE Certification, and DevSecOps Certification programs at DevOpsSchool. Gain the expertise needed to excel in your career with hands-on training and globally recognized certifications.