Re: maximum number of smtpd_restriction_classes

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maximum number of smtpd_restriction_classes
\ Anders D. Hansen (14 Apr 2007)
. \ (Wietse Venema) (14 Apr 2007)

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Subject:	Re: maximum number of smtpd_restriction_classes
Group:	Postfix-users
From:	(Wietse Venema)
Date:	14 Apr 2007

Anders D. Hansen:
> Hi list,
>
> Quick question...
>
> What is the maximum number of smtpd_restriction_classes in postfix?

The number of classes is limited by available virtual memory.

Generally, Postfix imposes no hard limits on information that is
specified by the sysadmin, but does impose hard limits on things
that remote users control (number of recipients, message size,
length of lines in message, number of errors in SMTP session).

Some sysadmin-provided information is subject to hard limits;
this is a safety net to prevent mail explosions due to mistakes
(number of recursion levels in alias expansion, for example).

Wietse