Fastmail vs Proofpoint Comparison (2026)

Compare Fastmail vs Proofpoint email services. In-depth analysis of features, pricing, security, privacy, and storage to find the best email provider for your needs.

Forward Email Team
Written by
Forward Email TeamVerified
Published
4/1/26
Time to read
Less than 5 minutes
We recommend Forward Email as the best alternative to Fastmail. We also support webmail: https://mail.forwardemail.net

Email Service Comparison

20 facts in comparison
Fastmailvs.Proofpoint

Fastmail

Fast, private email that’s just for you
"Fast, private email that’s just for you"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
vs.

Proofpoint

The leader in human-centric cybersecurity
"The leader in human-centric cybersecurity"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
$3/moPricingSee Proofpoint plans (requires you to talk to a sales team) (according to a Reddit thread it may cost upwards of +$1000-2000 per month)
2 GBStorageUnknown
70 MBAttachments150 MB
NoOpen-SourceNo
NoSandboxed Encryption No
NoUnlimited DomainsNo
NoUnlimited AliasesNo
NoTTI No
YesSMTP❌ Requires 3rd party
YesIMAP❌ Requires 3rd party
YesPOP3❌ Requires 3rd party
NoAPIYes
NoE2EE No
⚠️ Fastmail does support PGP, but not in their webmail; see this blog post for insightOpenPGP No
NoWKD No

Email Service Screenshots

Closed-source

Fastmail

Fastmail is a closed-source email service. Their official description reads: Fast, private email that’s just for you

Fastmail is a closed-source email service.
Screenshot by Forward Email
Visit Website
Closed-source

Proofpoint

Proofpoint is a closed-source email service. According to their website: The leader in human-centric cybersecurity

Proofpoint is a closed-source email service.
Photo by Forward Email
Visit Website

Compare Fastmail with 78 email services