Sendgrid vs Mailgun Comparison (2025)

What are the differences between Sendgrid and Mailgun?

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 Sendgrid.

Email Service Comparison

20 facts in comparison
Sendgridvs.Mailgun

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.

Mailgun

Flexible, scalable, and results driven email sending platform
"Flexible, scalable, and results driven email sending platform"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
$19.95/moPricing$35/mo
No Sendgrid does not support storageStorageNo Mailgun does not support storage
30 MBAttachments25 MB
NoOpen-SourceNo
NoSandboxed Encryption No
NoUnlimited DomainsNo
NoUnlimited AliasesNo
NoTTI No
YesSMTPYes
NoIMAPNo
NoPOP3No
YesAPIYes
NoE2EE No
NoOpenPGP No
NoWKD No

Email Service Screenshots

Closed-source

Sendgrid

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

Sendgrid is a closed-source email service.
Screenshot by Forward Email
Go to site
Closed-source

Mailgun

Mailgun is a closed-source email service. According to their website: Flexible, scalable, and results driven email sending platform

Mailgun is a closed-source email service.
Screenshot by Forward Email
Go to site

Compare Sendgrid with 78 email services