Alternativer til ZeroMail til Software as a Service (SaaS) med gratis licens

• Software as a Service (SaaS)
  Alle platforme Windows Mac Linux Chrome OS Android iPhone Android Wear iPad Android Tablet Kindle Fire Windows S Web Self-Hosted Software as a Service (SaaS) PHP Windows Mobile Java Mobile S60 Android TV Chrome OpenPGP S/MIME DAVdroid
• Gratis licens
  Enhver licens Gratis licens Open Source-licens Kommerciel licens

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MsgSafe.io

MsgSafe.io leverer privat, krypteret online kommunikation med lag af sikkerhed, du kan stole på.

• Freemium
• Android
• iPhone
• Web
• Software as a Service (SaaS)
• S/MIME
• OpenPGP