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Philipp Heckel 2021-12-28 17:36:12 +01:00
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docs/publish.md
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@ -691,6 +691,28 @@ Here's what that looks like in Google Mail:
<figcaption>E-mail notification</figcaption>
</figure>
## E-mail publishing
You can publish messages to a topic via e-mail, i.e. by sending an email to a specific address. For instance, you can
publish a message to the topic `sometopic` by sending an e-mail to `ntfy-sometopic@ntfy.sh`. This is useful for e-mail
based integrations such as for statuspage.io (though these days most services also support webhooks and HTTP calls).
Depending on the [server configuration](config.md#e-mail-publishing), the e-mail address format can have a prefix to
prevent spam on topics. For ntfy.sh, the prefix is configured to `ntfy-`, meaning that the general e-mail address
format is:
```
ntfy-$topic@ntfy.sh
```
As of today, e-mail publishing only supports adding a [message title](#message-title) (the e-mail subject). Tags, priority,
delay and other features are not supported (yet). Here's an example that will publish a message with the
title `You've Got Mail` to topic `sometopic` (see [ntfy.sh/sometopic](https://ntfy.sh/sometopic)):
<figure markdown>
![e-mail publishing](static/img/screenshot-email-publishing-gmail.png){ width=500 }
<figcaption>Publishing a message via e-mail</figcaption>
</figure>
## Advanced features
### Message caching
@ -846,7 +868,7 @@ but just in case, let's list them all:
|---|---|
| **Message length** | Each message can be up to 512 bytes long. Longer messages are truncated. |
| **Requests** | By default, the server is configured to allow 60 requests at once, and then refills the your allowed requests bucket at a rate of one request per 10 seconds. You can read more about this in the [rate limiting](config.md#rate-limiting) section. |
| **E-mails** | By default, the server is configured to allow 16 e-mails at once, and then refills the your allowed e-mail bucket at a rate of one per hour. You can read more about this in the [rate limiting](config.md#rate-limiting) section. |
| **E-mails** | By default, the server is configured to allow sending 16 e-mails at once, and then refills the your allowed e-mail bucket at a rate of one per hour. You can read more about this in the [rate limiting](config.md#rate-limiting) section. |
| **Subscription limits** | By default, the server allows each visitor to keep 30 connections to the server open. |
| **Total number of topics** | By default, the server is configured to allow 5,000 topics. The ntfy.sh server has higher limits though. |