On Tue, Dec 04, 2018 at 01:58:59PM +1100, Voytek wrote:

> Dec  4 12:07:08 geko postfix/smtpd[6908]: warning: Connection rate limit
>   exceeded: 13 from unknown[147.50.1.226] for service submission
> Dec  4 13:24:59 geko postfix/smtpd[23939]: warning: Connection rate limit
>   exceeded: 18 from unknown[147.50.1.226] for service submission

What do you think these mean?  Explain it carefully to an imaginary
listener who knows nothing, covering every detail.

On Tue, Dec 04, 2018 at 01:54:38PM +1100, Voytek wrote:

> # grep connect    main.cf
> smtpd_client_connection_rate_limit = 12
> smtpd_client_connection_count_limit = 5

What do you think these mean?  Explain these too, in the context
of your configuration, thinking about where and when they take
effect.

-- 
        Viktor.

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