Check Point Avanan vs Posteo Comparison (2026)

What are the differences between Check Point Avanan and Posteo?

Forward Email Team
Written by
Forward Email TeamVerified
Published
2/1/26
Time to read
Less than 5 minutes
We recommend Forward Email as the best alternative to Check Point Avanan. We also support webmail: https://mail.forwardemail.net

Email Service Comparison

20 facts in comparison
Check Point Avananvs.Posteo

Check Point Avanan

Prevent Phishing before the Inbox with Email Security from Check Point
"Prevent Phishing before the Inbox with Email Security from Check Point"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
vs.

Posteo

Green, secure, ad-free
"Green, secure, ad-free"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
Requires you to talk to a sales teamPricing€1/mo
Requires 3rd partyStorage2 GB
UnknownAttachments50 MB
NoOpen-SourceNo
NoSandboxed Encryption No
NoUnlimited DomainsNo
NoUnlimited AliasesNo
NoTTI No
❌ Requires 3rd partySMTPYes
❌ Requires 3rd partyIMAPYes
❌ Requires 3rd partyPOP3Yes
YesAPINo
NoE2EE ⚠️ Opt-in
NoOpenPGP Yes
NoWKD Yes

Email Service Screenshots

Closed-source

Check Point Avanan

Check Point Avanan is a closed-source email service. Their website says: Prevent Phishing before the Inbox with Email Security from Check Point

Check Point Avanan is a closed-source email service.
Photo by Forward Email
Go to site
Closed-source

Posteo

Posteo is a closed-source email service. Its description from its website is: Green, secure, ad-free

Posteo is a closed-source email service.
Photo by Forward Email
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Compare Check Point Avanan with 78 email services