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Description of problem:

Postfix does not support PCRE on RHEL8.

Version-Release number of selected component (if applicable):

postfix-3.3.1-8.el8.x86_64


Steps to Reproduce:
1. postconf -m

Actual results:

# postconf -m
btree
cidr
environ
fail
hash
inline
internal
memcache
nis
pipemap
proxy
randmap
regexp
socketmap
static
tcp
texthash
unionmap
unix


Expected results:

PCRE support

Somehow, this does not look like a model solution, but it seems to work. I my case, I downloaded latest fedora 29 versions of
- libicu
- postfix
- postfix-pcre
- postfix-ldap
and installed with

  yum localinstall *.rpm

Then I added to /etc/yum.conf

  exclude=libicu,postfix*

to avoid any update conflicts. Hope this get's fixed fast. Thanks

I see there is a knowledge base article now linked to this bug report.  When I click on it, I get access denied.  Is that intentional?

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2020:1816