Michael De Groote:
> i have a very simple postfix setup running at school.
> 
> now the principal wants to send mails to all the parents that registered
> their emailaddress and signed on for a newsletter every week.
> This causes him to get a 452: 4.5.3 Too many recipients.

The internet mail standard requires that an SMTP SERVER accepts no
fewer than 100 recipients per message.

> I tried setting the default_destination_recipient_limit = 250

That is for the Postfix SMTP CLIENT.

The server limit is smtpd_recipient_limit (default: 1000).

        Wietse

> (instead of the standard 50) but it doenst work. I'm probably trying the
> wrong parameter here, but since i left that school at the end of last year -
> but they still call me for support - i don't really have  a lot of time to
> spend searching for a solution on this one. Can someone point me in the
> right direction here please?
> 
> greetings
> 
> 
> Michael De Groote
> ICT-coordinator Sint-Pietersschool Korbeek-Lo
> ICT-support Sancta Maria Basisschool Leuven

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