SimpleLogin vs Mimecast Comparison (2025)

What are the differences between SimpleLogin and Mimecast?

Forward Email Team
Written by
Forward Email TeamVerified
Published
7/1/25
Time to read
Less than 5 minutes
We recommend Forward Email as the best alternative to SimpleLogin.

Email Service Comparison

20 facts in comparison
SimpleLoginvs.Mimecast

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
vs.

Mimecast

Email & Collaboration Security
"Email & Collaboration Security"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
$4/moPricingSee Mimecast plans (requires you to talk to a sales team) (according to a Reddit thread it may cost upwards of +$1000-2000 per month)
No SimpleLogin does not support storageStorageUnknown
25 MBAttachments200 MB
YesOpen-SourceNo
NoSandboxed Encryption No
YesUnlimited DomainsNo
YesUnlimited AliasesNo
NoTTI No
NoSMTP❌ Requires 3rd party
NoIMAP❌ Requires 3rd party
NoPOP3❌ Requires 3rd party
NoAPIYes
⚠️ Opt-inE2EE No
YesOpenPGP No
NoWKD No

Email Service Screenshots

Open-source

SimpleLogin

SimpleLogin is an open-source email service. Their website says: Receive and send emails anonymously

SimpleLogin is an open-source email service.
Screenshot by Forward Email
Go to site
Closed-source

Mimecast

Mimecast is a closed-source email service. According to their website: Email & Collaboration Security

Mimecast is a closed-source email service.
Screenshot by Forward Email
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Compare SimpleLogin with 78 email services