install imap for php

Install Requirements

yum install -y libc-client.x86_64 libc-client-devel.x86_64 libc-client.i686 libc-client-devel.i686

Now configure PHP with

--with-imap-ssl \
--with-imap \
--with-kerberos \

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imap

install php-fpm from source on centos