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−If you have installed vmm 0.3.x you have to proceed this steps:
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−
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−    * stop Postfix and Dovecot
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−    * backup/dump your database.
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−    * backup/dump your database!
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−    * execute update_0.3.x-0.4.sh
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−    * edit the pgsql parameters hosts, user, password and dbname in:
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−        $(postconf -h config_directory)/pgsql-smtpd_sender_login_maps.cf
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−        $(postconf -h config_directory)/pgsql-transport.cf
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−        $(postconf -h config_directory)/pgsql-virtual_mailbox_domains.cf
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−    * check the value of option transport in section misc in
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−      /usr/local/etc/vmm.cfg
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−    * start Dovecot and Postfix
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−
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−else:
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−
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−    * read INSTALL