Accessibility Heart Communities assist you to request and reply concerns, give feed-back, and hear from professionals with loaded awareness. Note: Create a file underneath /and many others/apt/sources.listing.d, not the /etc/apt/sources.record file in which the distribution's Formal repository addresses are located. That is a strategy that won't destabilize your method. https://azure-support99887.laowaiblog.com/26182956/considerations-to-know-about-iredmail-installation