Abnormal Security vs SimpleLogin Comparison (2026)

What are the differences between Abnormal Security and SimpleLogin?

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 Abnormal Security. We also support webmail: https://mail.forwardemail.net

Email Service Comparison

20 facts in comparison
Abnormal Securityvs.SimpleLogin

Abnormal Security

Cloud Email Security - Block Malicious Email Attacks
"Cloud Email Security - Block Malicious Email Attacks"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
vs.

SimpleLogin

Receive and send emails anonymously
"Receive and send emails anonymously"
  • 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$4/mo
Requires 3rd partyStorageNo SimpleLogin does not support storage
UnknownAttachments25 MB
NoOpen-SourceYes
NoSandboxed Encryption No
NoUnlimited DomainsYes
NoUnlimited AliasesYes
NoTTI No
❌ Requires 3rd partySMTPNo
❌ Requires 3rd partyIMAPNo
❌ Requires 3rd partyPOP3No
YesAPINo
NoE2EE ⚠️ Opt-in
NoOpenPGP Yes
NoWKD No

Email Service Screenshots

Closed-source

Abnormal Security

Abnormal Security is a closed-source email service. According to their website: Cloud Email Security - Block Malicious Email Attacks

Abnormal Security is a closed-source email service.
Screenshot by Forward Email
Visit Website
Open-source

SimpleLogin

SimpleLogin is an open-source email service. Their official description reads: Receive and send emails anonymously

SimpleLogin is an open-source email service.
Screenshot by Forward Email
Visit Website

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