--- title: Plunk slug: plunk url: "https://toolweight.com/tools/plunk" homepage: "https://useplunk.com" categories: email-sending-apis last_verified: 2026-11-06 dataset_version: 0738be72 license: CC-BY-4.0 --- # Plunk > Open-source email console you self-host on top of your own AWS SES account. - Not a sender: a UI, contact store, event system and campaign builder on top of Amazon SES - Self-hosted dashboard, templates and automation at SES's $0.10 per thousand - Your data in your own Postgres and region - You own the deployment and inherit SES's sandbox exit before anything works ## Identity | | | | --- | --- | | Name | Plunk | | Company | Plunk | | One-liner | Open-source email console you self-host on top of your own AWS SES account. | | Site | https://useplunk.com | | Docs | https://docs.useplunk.com | | Repo | https://github.com/useplunk/plunk | | Founded | 2023 | | Funding | Bootstrapped | | Open source | Yes | | Licence | AGPL-3.0 | | Compared in | 1 | ## Where it is compared ### [Email APIs](https://toolweight.com/compare/email-sending-apis) Ranked **#12 of 13** on default weights. | Field | Value | Confidence | Verified | Source | Note | Permalink | | --- | --- | --- | --- | --- | --- | --- | | Time to first send | 30min | Inferred | - | - | Cloud signup is quick. Self-hosted Plunk inherits your own SES sandbox exit, which realistically makes it days. | https://toolweight.com/compare/email-sending-apis#plunk--time_to_first_send | | Product scope | both | Inferred | - | - | - | https://toolweight.com/compare/email-sending-apis#plunk--product_scope | | Inbound parsing | ○ | Inferred | - | - | - | https://toolweight.com/compare/email-sending-apis#plunk--inbound_parsing | | Event webhooks | delivered, opened, clicked, bounced, unsubscribed | Inferred | - | - | Plunk's model is its own event and trigger system rather than raw SMTP webhooks. | https://toolweight.com/compare/email-sending-apis#plunk--event_webhooks | | Hosted templates | code-editor | Inferred | - | - | - | https://toolweight.com/compare/email-sending-apis#plunk--hosted_templates | | React Email / MJML | - | Inferred | - | - | Plunk sends HTML; render React Email or MJML yourself before posting. | https://toolweight.com/compare/email-sending-apis#plunk--react_email_mjml | | Log retention | - | Inferred | - | - | Self-hosted: retention is whatever your Postgres keeps. | https://toolweight.com/compare/email-sending-apis#plunk--log_retention | | Throughput ceiling | 50,400 emails/hr | Inferred | - | - | Whatever your underlying SES quota is. | https://toolweight.com/compare/email-sending-apis#plunk--throughput_ceiling | | Multi-domain sending | ● | Inferred | - | - | - | https://toolweight.com/compare/email-sending-apis#plunk--multi_domain | | Data residency | us, eu, au | Inferred | - | - | Self-hosted, so wherever you deploy it and whichever SES region you point it at. Plunk Cloud is US-only. | https://toolweight.com/compare/email-sending-apis#plunk--data_residency | | Shared pool quality | 3 | Inferred | - | - | Inherits SES's pool, or your own dedicated IP if you buy one from AWS. | https://toolweight.com/compare/email-sending-apis#plunk--shared_pool_quality | | IP warmup | ○ | Inferred | - | - | Delegated entirely to SES. | https://toolweight.com/compare/email-sending-apis#plunk--ip_warmup | | DKIM/DMARC friction | 3 | Inferred | - | - | You are doing SES's DNS setup, plus deploying Plunk. | https://toolweight.com/compare/email-sending-apis#plunk--dkim_dmarc_friction | | BIMI | ○ | Inferred | - | - | - | https://toolweight.com/compare/email-sending-apis#plunk--bimi_support | | Suppression list | ◐ | Inferred | - | - | Contact-level unsubscribes exist; suppression is thinner than a managed provider's. | https://toolweight.com/compare/email-sending-apis#plunk--suppression_management | | Bounce handling | ◐ | Inferred | - | - | You wire SES's bounce and complaint notifications yourself. | https://toolweight.com/compare/email-sending-apis#plunk--bounce_complaint_handling | | Price / 1k emails | $1/1k | Inferred | - | - | Approximate for Plunk Cloud. Self-hosted, your only cost is SES at $0.10/1k plus a small server. | https://toolweight.com/compare/email-sending-apis#plunk--price_per_1k | | Free tier | 1,000 emails/mo | Vendor-claimed | 2026-11-06 | https://www.useplunk.com/pricing | - | https://toolweight.com/compare/email-sending-apis#plunk--free_tier | | Dedicated IP | - | Inferred | - | - | Not sold by Plunk, buy one from AWS if you need it. | https://toolweight.com/compare/email-sending-apis#plunk--dedicated_ip_cost | | Pricing model | pay-as-you-go | Inferred | - | - | - | https://toolweight.com/compare/email-sending-apis#plunk--pricing_model | | MCP server | ○ | Inferred | - | - | - | https://toolweight.com/compare/email-sending-apis#plunk--mcp_server | | llms.txt docs | ○ | Inferred | - | - | - | https://toolweight.com/compare/email-sending-apis#plunk--llms_txt_docs | | Funding | bootstrapped | Inferred | - | - | - | https://toolweight.com/compare/email-sending-apis#plunk--funding_stage | | Positioning | "The open-source email platform." Sells ownership: your data, your infrastructure, SES's price. | Inferred | - | - | - | https://toolweight.com/compare/email-sending-apis#plunk--positioning | | GA year | 2023 | Inferred | - | - | - | https://toolweight.com/compare/email-sending-apis#plunk--ga_year | **Verdict.** The cheapest honest dashboard over SES pricing with data in your own database, if you take on deployment and SES onboarding. ## Alternatives - [AhaSend](https://toolweight.com/tools/ahasend), Small indie transactional API competing on price and instant signup. - [Amazon SES](https://toolweight.com/tools/amazon-ses), The cheapest way to send email at scale, and the least finished product. - [Brevo](https://toolweight.com/tools/brevo), EU-hosted marketing platform with a competent transactional API attached. - [Loops](https://toolweight.com/tools/loops), Lifecycle and marketing email for SaaS, priced on contacts rather than sends. - [MailerSend](https://toolweight.com/tools/mailersend), Transactional sibling of MailerLite, bootstrapped and cheap at mid volume. - [Mailgun](https://toolweight.com/tools/mailgun), Long-running transactional API with strong routing and inbound handling. - [Mailtrap](https://toolweight.com/tools/mailtrap), Email testing sandbox that grew a production sending product. - [Postmark](https://toolweight.com/tools/postmark), Transactional-only sender with the best-policed shared IP pool in the category. - [Resend](https://toolweight.com/tools/resend), Developer-first email API built around React Email components. - [Scaleway TEM](https://toolweight.com/tools/scaleway-tem), EU-sovereign transactional email from Scaleway, deliberately minimal. - [SendGrid](https://toolweight.com/tools/sendgrid), The incumbent: enormous scale, enormous shared pool, everything bolted on. - [SparkPost](https://toolweight.com/tools/sparkpost), High-volume sender with deep analytics, now folded into Bird's platform. ## Logo & brand colours SVG files: https://toolweight.com/teams/plunk/logo.svg and https://toolweight.com/teams/plunk/mono.svg. JSON: https://toolweight.com/api/v1/brands/plunk. | Hex | oklch | | --- | --- | | #000000 | oklch(0.0% 0.000 0.0) | ## Licence and attribution Data from Toolweight (https://toolweight.com), licensed CC-BY-4.0. - Licence: [CC-BY-4.0](https://creativecommons.org/licenses/by/4.0/) - Canonical HTML: https://toolweight.com/tools/plunk - Machine-readable: https://toolweight.com/tools/plunk.md · https://toolweight.com/api/v1 · https://toolweight.com/mcp - Toolweight takes no affiliate revenue and sells no placements.