Dewmail
Dewmail: A focused SMTP-to-webhook bridge for developers building self-hosted email pipelines. Ranked #15 of 21 in Email Parsing Software by our editors (6.5/10); pricing: Open source; best for self-hosted SMTP-to-webhook pipelines.
At a glance
- Editor score6.5 / 10
- PricingOpen source
- Best forSelf-hosted SMTP-to-webhook pipelines
- Paid fromNone
- Facts checked20 Sep 2026
Where it wins
- Converts incoming SMTP email into JSON HTTP POST requests
- Routes webhook requests by recipient-address paths
- MIT-licensed and self-hostable on your own hardware
Where it doesn't
- Requires DNS MX-record configuration
- Structured field extraction is not described
- Attachment handling and integrations are not described
Our verdict on Dewmail
Dewmail is an open-source email parsing microservice for developers who need to add an email frontend to an existing API. It receives email for a configured domain, parses the message, and sends a JSON-encoded HTTP POST request to an application API. Its scope is focused: SMTP receipt, recipient-based routing, and HTTP delivery rather than a broad email automation suite. Teams that already operate an API and want email to enter an existing application workflow are the clearest fit.
The central integration model is straightforward. Dewmail receives mail through a configured domain, then sends JSON requests to recipient-address paths, giving applications a predictable way to distinguish incoming addresses or routes. Optional HTTPS delivery adds a transport-security configuration, while optional SPF validation and enforcement provide additional control over accepted messages. The product is positioned around API access and webhook delivery, so it suits custom application stacks more naturally than teams seeking prebuilt connectors or a large platform ecosystem.
Deployment is the main operational consideration. Hosted or self-managed use requires DNS MX-record setup, and self-hosting places the service on the user's own hardware under the MIT License. That makes Dewmail a practical choice for teams comfortable managing mail routing and API infrastructure. It is less suitable for buyers who want guided onboarding, structured extraction of fields, attachment workflows, or a catalog of integrations. Choose it when a narrow SMTP-to-webhook bridge is enough; consider another tool when email parsing needs extend beyond routing messages into an API.
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Dewmail pricing
Dewmail fact sheet
| Free plan | Not verified |
|---|---|
| Paid from | None |
| Attachment parsing | Not verified |
| OCR extraction | Not verified |
| Webhook delivery | Yes |
| API access | Yes |
| Custom extraction fields | Not verified |
| Monthly email limit | Not verified |
| Deployment | Cloud, Self-hosted |
| Support | Email, Docs |
| Built for | Solo, Small business (editorial estimate) |
| Pricing | Open source |
| Website | dewmail.org |
| Facts checked | 20 Sep 2026 |
Alternatives to Dewmail
- AirparserA flexible email and document parser for structured extraction and review workflows.8.7
- DigiParserA practical parser for turning email attachments and documents into structured, exportable data.8.5
- MailparserA broad email parsing service for turning recurring messages into structured workflows.8.2
See all Dewmail alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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