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Plunk

Open-source email console you self-host on top of your own AWS SES account.

useplunk.comdocs.useplunk.comgithub.com/useplunk/plunk
Overall in email apis
12of 13 · score 45
Data coverage
92%
23 of 25 fields sourced

Best for

  • •Teams who already run SES and want a UI over it
  • •Data-residency requirements no managed vendor satisfies
  • •Self-hosters who would rather own the stack than rent it

Strong on

  • +Pricing model pay-as-you-go 1/13
  • +GA year 2023 1/13
  • +Throughput ceiling 50,400 emails/hr 1/5
  • +Product scope both 3/13
  • +Data residency us, eu, au 3/13

Weak on

  • −React Email / MJML 11/13
    Better: Resend: react-email, mjml
  • −IP warmup No 11/13
    Better: Postmark: Yes
  • −Inbound parsing No 10/13
    Better: Postmark: Yes
  • −MCP server No 12/13
    Better: Resend: Yes

vs Loops

  • •Ahead on Multi-domain sending: Yes vs No
  • •Ahead on Pricing model: pay-as-you-go vs contact-based
  • •Behind on MCP server: No vs Yes
  • •Behind on llms.txt docs: No vs Yes

How Plunk scores among 13 email apis23 of 25 fields known

Features10

Time to first send
30min
4/13
Leader: Resend · 10min
Product scope3rd
both
3/13
Leader: Loops · marketing-first
Inbound parsing
No
10/13
Leader: Postmark · Yes
Event webhooks
delivered, opened, clicked, bounced, unsubscribed
11/13
Leader: Amazon SES · delivered, opened, clicked, bounced, complained, deferred, unsubscribed, inbound
Hosted templates
code-editor
8/13
Leader: Postmark · visual-editor
React Email / MJML
11/13
Leader: Resend · react-email, mjml
Log retention
—
Throughput ceiling1st
50,400 emails/hr
1/5
Multi-domain sending1st
Yes
1/13
Data residency3rd
us, eu, au
3/13
Leader: Amazon SES · us, eu, au, apac, sa, ca

Deliverability6

Shared pool quality
3
4/13
Leader: Postmark · 5
IP warmup
No
11/13
Leader: Postmark · Yes
DKIM/DMARC friction
3
7/13
Leader: Resend · 1
BIMI
No
10/11
Leader: Postmark · Yes
Suppression list
Partial
12/13
Leader: Resend · Yes
Bounce handling
Partial
11/13
Leader: Resend · Yes

Pricing4

Price / 1k emails
$1/1k
8/12
Leader: Amazon SES · $0.1/1k
Free tier
1,000 emails/mo
7/13
Leader: Brevo · 9,000 emails/mo
useplunk.com · 2026-11-06
Dedicated IP
—
Pricing model1st
pay-as-you-go
1/13

Agentic2

MCP server
No
12/13
Leader: Resend · Yes
llms.txt docs
No
6/13
Leader: Resend · Yes

Traction1

Funding
bootstrapped
10/13
Leader: Amazon SES · subsidiary

Positioning1

Positioning
"The open-source email platform." Sells ownership: your data, your infrastructure, SES's price.

Timeline1

GA year1st
2023
1/13

Alternatives8

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Sources1

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