Amazon Simple Email Service (SES) vs DuoCircle Comparison (2025)

What are the differences between Amazon Simple Email Service (SES) and DuoCircle?

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 Amazon Simple Email Service (SES).

Email Service Comparison

20 facts in comparison
Amazon Simple Email Service (SES)vs.DuoCircle

Amazon Simple Email Service (SES)

Get reliable, scalable email to communicate with customers at the lowest industry prices
"Get reliable, scalable email to communicate with customers at the lowest industry prices"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
vs.

DuoCircle

Protect Email Against Phishing, Spam and Malware
"Protect Email Against Phishing, Spam and Malware"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
$X/mo; varies, using shared IP's from SES are known to have negative effect on deliverabilityPricingRequires you to talk to a sales team
No Amazon Simple Email Service (SES) does not support storageStorageRequires 3rd party
10 MBAttachments50 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

Amazon Simple Email Service (SES)

Amazon Simple Email Service (SES) is a closed-source email service. Their website says: Get reliable, scalable email to communicate with customers at the lowest industry prices

Amazon Simple Email Service (SES) is a closed-source email service.
Photograph by Forward Email
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Closed-source

DuoCircle

DuoCircle is a closed-source email service. Their official description reads: Protect Email Against Phishing, Spam and Malware

DuoCircle is a closed-source email service.
Screenshot by Forward Email
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Compare Amazon Simple Email Service (SES) with 78 email services