ImprovMX vs Sendgrid Comparison (2025)

What are the differences between ImprovMX and Sendgrid?

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 ImprovMX.

Email Service Comparison

20 facts in comparison
ImprovMXvs.Sendgrid

ImprovMX

Create free email aliases for your domain name
"Create free email aliases for your domain name"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
vs.

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
$9/moPricing$19.95/mo
No ImprovMX does not support storageStorageNo Sendgrid does not support storage
50 MBAttachments30 MB
NoOpen-SourceNo
NoSandboxed Encryption No
NoUnlimited DomainsNo
NoUnlimited AliasesNo
TTI TTI No
YesSMTPYes
NoIMAPNo
NoPOP3No
YesAPIYes
NoE2EE No
NoOpenPGP No
NoWKD No

Email Service Screenshots

Closed-source

ImprovMX

ImprovMX is a closed-source email service. Its description from its website is: Create free email aliases for your domain name

ImprovMX is a closed-source email service.
Photograph by Forward Email
Go to site
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

Compare ImprovMX with 78 email services