Sendgrid vs Mimecast Comparison (2026)

Compare Sendgrid vs Mimecast 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 Sendgrid. We also support webmail: https://mail.forwardemail.net

Email Service Comparison

20 facts in comparison
Sendgridvs.Mimecast

Sendgrid

Get your emails to the inbox—where they belong
"Get your emails to the inbox—where they belong"
  • 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
$19.95/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 Sendgrid does not support storageStorageUnknown
30 MBAttachments200 MB
NoOpen-SourceNo
NoSandboxed Encryption No
NoUnlimited DomainsNo
NoUnlimited AliasesNo
NoTTI No
YesSMTP❌ Requires 3rd party
NoIMAP❌ Requires 3rd party
NoPOP3❌ Requires 3rd party
YesAPIYes
NoE2EE No
NoOpenPGP No
NoWKD No

Email Service Screenshots

Closed-source

Sendgrid

Sendgrid is a closed-source email service. Their website says: Get your emails to the inbox—where they belong

Sendgrid is a closed-source email service.
Photograph 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
Go to site

Compare Sendgrid with 78 email services