Zendesk vs Mimecast Comparison (2025)

What are the differences between Zendesk 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 Zendesk.

Email Service Comparison

20 facts in comparison
Zendeskvs.Mimecast

Zendesk

Unlock the power of customer experiences
"Unlock the power of customer experiences"
  • 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
$69/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 Zendesk does not support storageStorageUnknown
50 MBAttachments200 MB
NoOpen-SourceNo
NoSandboxed Encryption No
NoUnlimited DomainsNo
NoUnlimited AliasesNo
NoTTI No
NoSMTP❌ Requires 3rd party
NoIMAP❌ Requires 3rd party
NoPOP3❌ Requires 3rd party
NoAPIYes
NoE2EE No
NoOpenPGP No
NoWKD No

Email Service Screenshots

Closed-source

Zendesk

Zendesk is a closed-source email service. Their official description reads: Unlock the power of customer experiences

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

Mimecast

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

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