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Use Fail2ban and Postscreen to Fight Botnet Connections to Postfix
- email
- postfix
- security
I noticed multiple unsuccessful connection attempts in my postfix server from various IPs. The EHLO response varies but many of them respond as "User\r\n". See the following log entries from my...

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Send Email in your PowerShell Script - The Modern Method
- email
- scripting
With modern companies using hosted email solutions, Microsoft has deprecated the use of the Send-MailMessage PowerShell cmdlet. The supported to way to send emails from a PowerShell script is with...

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