Posteo vs Check Point Avanan Comparison (2026)

What are the differences between Posteo and Check Point Avanan?

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 Posteo. We also support webmail: https://mail.forwardemail.net

Email Service Comparison

20 facts in comparison
Posteovs.Check Point Avanan

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
vs.

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
€1/moPricingRequires you to talk to a sales team
2 GBStorageRequires 3rd party
50 MBAttachmentsUnknown
NoOpen-SourceNo
NoSandboxed Encryption No
NoUnlimited DomainsNo
NoUnlimited AliasesNo
NoTTI No
YesSMTP❌ Requires 3rd party
YesIMAP❌ Requires 3rd party
YesPOP3❌ Requires 3rd party
NoAPIYes
⚠️ Opt-inE2EE No
YesOpenPGP No
YesWKD No

Email Service Screenshots

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.
Screenshot by Forward Email
Go to site
Closed-source

Check Point Avanan

Check Point Avanan is a closed-source email service. Its description from its website is: 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

Compare Posteo with 78 email services