Error “Configuration file not found or unreadable”
Este es un error de HastyMail
Hace falta el archivo hastymail.conf en /etc/
In order for hastymail to function properly it must be able to read the hastymail.conf file. The default location of that file is /etc/hastymail.conf
Fuente: https://sourceforge.net/p/hastymail/mailman/hastymail-devel/?limit=50&page=5
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