Custom Smtp Sender skill for OpenClaw

What this skill does

A skill to send emails with support for markdown, HTML text, and attachments, leveraging existing SMTP configuration in `/home/bb/.openclaw/smtp-config.json`. Includes retry logic and logging.

The Custom Smtp Sender skill is part of the Research & Knowledge category — research and knowledge skills that gather, search, and summarize information. You can install it on its own or alongside other research & knowledge skills from the OpenClaw catalog.

How to install the Custom Smtp Sender skill

The easiest path is via the OpenClaw Easy desktop app — one click, no terminal required:

1. Download OpenClaw Easy for macOS or Windows (free, one-click installer, ~30 seconds).
2. Open the in-app Skills panel.
3. Search for custom-smtp-sender and click Install.
4. The skill activates automatically when an incoming message matches its description.

Install from the command line

If you already run the OpenClaw CLI, add the Custom Smtp Sender skill with a single command:

openclaw skills add custom-smtp-sender

This pulls custom-smtp-sender from ClawHub and installs it into ~/.openclaw/skills/custom-smtp-sender/. Restart the OpenClaw gateway afterwards so the new skill is discovered.

How to use the Custom Smtp Sender skill

Once installed, the Custom Smtp Sender skill activates on its own: when an incoming message on WhatsApp, Telegram, Slack, Discord, Feishu or Line matches the skill's description, your OpenClaw agent loads it and runs the workflow. You can also trigger it explicitly by describing the task in chat. No extra configuration is required after install.

Manual install (advanced)

If you prefer manual installation:

1. Click the Download skill .zip button above to grab custom-smtp-sender-1.0.0.zip directly from our S3 mirror.
2. Unzip into ~/.openclaw/skills/custom-smtp-sender/ (create the directory if it does not exist).
3. Restart OpenClaw Easy (or the OpenClaw CLI gateway) so the new skill is discovered.

Frequently asked questions

How do I install Custom Smtp Sender?

Install Custom Smtp Sender in the OpenClaw Easy desktop app by opening the Skills panel, searching for custom-smtp-sender, and clicking Install. From a terminal you can run: openclaw skills add custom-smtp-sender. Either way the skill is placed in ~/.openclaw/skills/custom-smtp-sender/.

Is the Custom Smtp Sender skill free?

Yes. It is free to download and run through ClawHub, with no account or payment required. Each skill is published by its own author under its own licence — see its ClawHub page for the licence and source.

What does Custom Smtp Sender do?

A skill to send emails with support for markdown, HTML text, and attachments, leveraging existing SMTP configuration in `/home/bb/.openclaw/smtp-config.json`. Includes retry logic and logging.

Related: more research & knowledge skills

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Skills in this catalog are community-contributed integrations published on ClawHub and distributed under their own open-source licences. Product and company names, and any third-party service a skill connects to, are trademarks of their respective owners; a listing here does not imply affiliation with, sponsorship by, or endorsement from them. This page does not distribute any third-party application. Rights holders can reach us at hello@openclaw-easy.com.

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