I work for a small business and outsourced our email hosting to Google. However, I noticed that spammers are using our From: First Last
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My users will only be checking mail, and I want to disable FTP access as well as shell access under CentOS Linux. How do I disable shell (SSH) and FTP access to a new or old user under Linux without deleting user account?
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Q. I’ve CentOS Linux acting as router for our small community based college. I see logwatch and other cron job generating emails for root account. How do I delete those emails? I don’t want to disable email facility but just wanted to get rid of all root emails. A. The easilst way is to empty [...]
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Q. I’ve Postfix based CentOS Linux server. I need to blacklist email ID: user@abadboy.com . How do I blacklist email address with postfix? I also have spamassassin software installed. A. By default, the Postfix SMTP server accepts any sender address. However you can block / blacklist sender email address easily with Postfix. It has SMTP [...]
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Q. I would like to install latest and greatest Mozilla thunderbird mail client under Linux. How do I download and install the same to read emails? A. Mozilla’s Thunderbird 2 email application is more powerful than ever. Thunderbird 2 features many new enhancements to help you better manage your unruly inbox, and stay informed. Thunderbird [...]
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