[pfx] Re: warning: /usr/lib/postfix/sbin/virtual: bad command startup -- throttling

On 16.05.2026 02:57, Wietse Venema via Postfix-users wrote:
> David Koski via Postfix-users:
>> Hello,
>>
>> I'm using Dovecot LMTP (dovecot-mysql) for local delivery for Postfix
>> (postfix-mysql) so the local delivery destination is stored in the MySQL
>> database.? Now I'm getting an error:
>>
>> warning: /usr/lib/postfix/sbin/virtual: bad command startup -- throttling
> 
> Please show the complete logfile record.

Hi Wietse!

For over a decade already, people keep posting questions like this one.
With answers from non-experts spreading, which says "when postfix logs
``bad command startup, throttling``, this is because of A and B".

Today, some AIs started giving similar answers too.

Maybe it's time to change wording of this message, to add a reference
to the previous line(s)?

You're the best at inventing very short and clean wording, in my
opinion, - I love short clarity of your documentation, all of it.  But
it looks like many people need a bit more verbosity here.  And it might
save us all multiple round-trips of questions, too :)

Thanks,

/mjt
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