postmark

Real-time notifications from Postmark webhooks

⚡ Receive notifications via webhooks

⚡ Save events in MySQL / PostgreSQL / SQLite

Best use-case

⚡ Handle repeated abuses on the application-side before sending transactional emails to a fake/bad email address

Features

Version: 0.1.1

Message type	Supported
Transactional	✅
Inbound	❌
Broadcasts	❌

Setup

• You need a MySQL / PostgreSQL instance, or you can use SQLite
• Download the binary go install github.com/pilinux/postmark@latest
• Create a free project on Sentry to track errors
  • Choose Go as the platform
  • Save the DNS (format: https://secret_code@abc.ingest.sentry.io/secret_number)
• Change the filename from .env.sample to .env
• Update the following variables in the .env file (DO NOT DELETE other non-used variables)
  • APP_PORT
  • SentryDSN
  • USERNAME
  • PASSWORD
  • DBDRIVER
  • DBUSER
  • DBPASS
  • DBNAME
  • DBHOST
  • DBPORT
  • DBTIMEZONE
• Execute the binary file. It will automatically create a new table postmark_outbounds and migrate the database.
• On Postmark,
  • select your server and browse the transactional message stream
  • select Add webhook
  • add the following information:
    • Webhook URL: http(s)://<your_ip_or_domain:port>/webhooks/v1/outbound-events If you run the application behind a reverse proxy (NGINX / Apache) and configure a domain, then the URL will be http(s)://<your_domain>/webhooks/v1/outbound-events
    • add Basic auth credentials
    • select the events Postmark should forward to your server

postmark_outbounds database

Name	Comment
id	primary key
created_at	data creation time in the database
updated_at
deleted_at
record_type	Delivery / Bounce / SpamComplaint / Open / Click / SubscriptionChange
type	HardBounce / SpamComplaint
type_code	1 (for bounce) / 100001 (for spam complaint) / 0 (others)
message_id	Postmark message ID
tag	user-defined tag
from	from email
to	destination email
event_at	timestamp from Postmark
server_id	Postmark server ID

License

© piLinux 2022

Released under the MIT license

This project is built with GoREST.