[Skip to content](#main) [→](/) [![Avunu](/brand/avunu-logo.svg)![Avunu](/brand/avunu-logo-light.svg)](/)[Services](/services/)[Consulting](/services/consulting/)[ERP](/services/erp/)[Odoo](/services/erp/odoo/)[ERPNext](/services/erp/erpnext/)[Custom software](/services/custom-software/)[Devices & IoT](/services/devices-iot/)[Websites](/services/websites/)[Infrastructure](/services/infrastructure/)[Partners](/partners/) [Work](/work/)[Open source](/open-source/)[Knowledge base](/kb/)[About](/about/) [About Avunu](/about/)[Team](/about/team/)[Insights](/insights/)[Contact](/contact/) [Client portal](https://erp.avunu.net/projects)[Start a project](/start/) - [Services](/services/)[Consulting](/services/consulting/) - [ERP](/services/erp/) - [Odoo](/services/erp/odoo/) - [ERPNext](/services/erp/erpnext/) - [Custom software](/services/custom-software/) - [Devices & IoT](/services/devices-iot/) - [Websites](/services/websites/) - [Infrastructure](/services/infrastructure/) - [Partners](/partners/) [Work](/work/)[Open source](/open-source/)[Knowledge base](/kb/)[About](/about/) - [About Avunu](/about/) - [Team](/about/team/) - [Insights](/insights/) - [Contact](/contact/) [Client portal](https://erp.avunu.net/projects)[Start a project](/start/) PostGrid Direct Mail Mail printed Frappe and ERPNext documents as physical letters through PostGrid, by hand or automatically from Notifications. [Open source](/open-source/) PostGrid Direct Mail Frappe & ERPNext Stable MIT [View on GitHub (opens in a new tab)](https://github.com/Avunu/postgrid_direct_mail)[Documentation (opens in a new tab)](https://docs.avunu.net/postgrid-direct-mail/) PlatformFrappe & ERPNext LicenseMIT StatusStable Repository[Avunu/postgrid_direct_mail](https://github.com/Avunu/postgrid_direct_mail) Part of Used in Some customers and vendors still need paper: invoices, statements, notices, and purchase orders. PostGrid Direct Mail lets you mail the printed version of any Frappe or ERPNext document without printing, stuffing, or stamping anything. PostGrid's print-and-mail API handles production and postage, and the letter's status is tracked back on the document. ## Features **Send from the print view.** Pick a print format and use the added "Mail" option to send the document as a physical letter to any contact. **Automate campaigns.** Extend core Notifications to mail letters on document events, such as overdue invoices or new orders. **Personalization** with recipient information. **Tracking.** See each letter's delivery status and history inside Frappe or ERPNext. Works with customers, suppliers, employees, and any other doctype with an address. ## Getting started Create a PostGrid account and API credentials, install the app with bench, and enter the credentials in PostGrid Settings. The [README](https://github.com/Avunu/postgrid_direct_mail#installation) has the install commands and short demos. Highlights A "Mail" option on any document's print viewAutomated direct mail from Notification rulesPersonalized letters from recipient dataDelivery status and letter history inside ERPNext Related projects [All open-source projects](/open-source/) [ERPNext TaskView](/open-source/erpnext_taskview/) Active A project and task workspace for ERPNext, with timers and hour budgets for staff and a portal where customers follow and work on their projects. MIT[GitHub](https://github.com/Avunu/erpnext_taskview) [ERPNext CIS Plus](/open-source/erpnext_cis_plus/) Stable Simpler customer, contact, and address management for ERPNext, with address validation, geolocation, and a map of your customers. MIT[GitHub](https://github.com/Avunu/erpnext_cis_plus) [Automated Subscriptions](/open-source/automated_subscriptions/) Active Automatic billing for ERPNext Subscriptions, with payment requests, billing anchors, proration, consolidated invoices, and credit notes. MIT[GitHub](https://github.com/Avunu/automated_subscriptions) Need help with it? Need this implemented? We build and support integrations like this one as custom software. 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