N‑able Mail Assure vs SimpleLogin Comparison (2025)

What are the differences between N‑able Mail Assure and SimpleLogin?

Forward Email Team
Written by
Forward Email TeamVerified
Published
6/1/25
Time to read
Less than 5 minutes
We recommend Forward Email as the best alternative to N‑able Mail Assure.

Email Service Comparison

20 facts in comparison
N‑able Mail Assurevs.SimpleLogin

N‑able Mail Assure

Email protection to help you secure and scale
"Email protection to help you secure and scale"
  • 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
Depends on inbound/outbound (e.g. 10 MB)Attachments25 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

N‑able Mail Assure

N‑able Mail Assure is a closed-source email service. Its description from its website is: Email protection to help you secure and scale

N‑able Mail Assure is a closed-source email service.
Photo by Forward Email
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Open-source

SimpleLogin

SimpleLogin is an open-source email service. Its description from its website is: Receive and send emails anonymously

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

Compare N‑able Mail Assure with 79 email services