Inbound Rate Limits

In the console: Settings › MTA › Rates & Quotas › Inbound Rate Limits

How fast other servers and your own users may connect and send, so a flood or a stolen password can’t run away.

Inbound Rate Limiter

Description

Short description for the throttle.

Text. Set when it’s created; can’t be changed afterwards. Name in the API: description.

Keys

Optional list of context variables that determine where this throttle should be applied.

A list. Each one: one of: Listener (listener), Remote IP (remoteIp), Local IP (localIp), Authenticated As (authenticatedAs), EHLO Domain (heloDomain), Sender (sender), Sender Domain (senderDomain), Recipient (rcpt), Recipient Domain (rcptDomain). Name in the API: key.

Rate limit

Number of incoming requests over a period of time that the rate limiter will allow.

Settings of their own: see Rate. Name in the API: rate.

Match condition

Enable the imposition of concurrency and rate limits only when a specific condition is met.

Settings of their own: see Expression. Name in the API: match.

Enabled

Whether to enable this throttle.

On or off. Default: On. Name in the API: enable.