Quota Queues

In the console: Settings › MTA › Rates & Quotas › Queue Quotas

How much mail one sender or destination may have waiting in the queue at once.

Quota

Description

Short description for the quota.

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 quota should be applied.

A list. Each one: one of: Sender (sender), Sender Domain (senderDomain), Recipient (rcpt), Recipient Domain (rcptDomain). Name in the API: key.

Max Messages

Maximum number of messages in the queue that this quota will allow.

A number. Name in the API: messages.

Max Size

Maximum total size of messages in the queue that this quota will allow.

A size in bytes (KB, MB and GB are accepted). Name in the API: size.

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 quota.

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