---
title: "Sending posts · Workwae"
description: "Articles on sending mail through users' own mailboxes: SMTP and provider send APIs, Sent copies and threading."
url: https://workwae.com/blog/tag/sending
---

[Blog](https://workwae.com/blog/) / Tag

# Sending.

Articles on sending mail through users' own mailboxes: SMTP and provider send APIs, Sent copies and threading.

## Sending articles

### [Sending mail as your users without breaking their mailbox.](https://workwae.com/blog/sending-mail-as-your-users)

October 19, 2026 · 6 min read

Sent copies, Message-IDs, In-Reply-To, References, Gmail threadId rules and drafts across SMTP, Gmail and Graph.

Tags: SendingGmailMicrosoft Graph