Mailgun vs 123 Reg Comparison (2026)

What are the differences between Mailgun and 123 Reg?

Forward Email Team
Written by
Forward Email TeamVerified
Published
2/1/26
Time to read
Less than 5 minutes
We recommend Forward Email as the best alternative to Mailgun. We also support webmail: https://mail.forwardemail.net

Email Service Comparison

20 facts in comparison
Mailgunvs.123 Reg

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
vs.

123 Reg

Professional email that shows you mean business
"Professional email that shows you mean business"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
$35/moPricing£35.88/yr
No Mailgun does not support storageStorage10 GB
25 MBAttachments30 MB
NoOpen-SourceNo
NoSandboxed Encryption No
NoUnlimited DomainsNo
NoUnlimited AliasesNo
NoTTI No
YesSMTPYes
NoIMAPYes
NoPOP3Yes
YesAPINo
NoE2EE No
NoOpenPGP No
NoWKD No

Email Service Screenshots

Closed-source

Mailgun

Mailgun is a closed-source email service. Its description from its website is: Flexible, scalable, and results driven email sending platform

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

123 Reg

123 Reg is a closed-source email service. According to their website: Professional email that shows you mean business

123 Reg is a closed-source email service.
Photograph by Forward Email
Visit Website

Compare Mailgun with 78 email services