I have a recipe in Smartlist to save certain mails to a directory in MH format (yyyy/.). I had the Smartlist to create this directory upon this recipe. Everything went fine. In addition, I need to also save certain mails into this same directory in the MH format from recipes in my personal .procmailrc (/path/to/yyyy/.). I made sure my account has proper group permissions (770; my account is on its group; I manually tested) to write into this directory. However, the process of my account .procmailrc generates following errors: procmail: Unable to treat as directory "/var/slist/xxx/yyyy" procmail: Assigning "LASTFOLDER=/var/slist/xxx/yyyy" procmail: Opening "/var/slist/xxx/yyyy" procmail: Error while writing to "/var/slist/xxx/yyyy" In the meanwhile the Smartlist saves into the MH directory still fine. I wonder what could be the problem? Zhiliang