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You should handle these kind of issues with logrotate, it is designed for these tasks specifically. For example, to enable logrotate to rotate the file /var/mail/root if the size of the file becomes 10 MB, you can add a logrotate configuration file e.g. /etc/logrotate.d/mailroot with the content: /var/mail/root { size 10M # Rotate if the size is &...


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A lot of mail servers don't accept incoming connections from systems with dynamic IP addresses because most of them are systems infected with malware that tries to send spam or spread itself. Use your ISPs mailserver as relay (sometimes called "smarthost"). Here is a short guide for that. The server name, user and password are the same as you'd use for a ...


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There is nothing you can do, short of simply obtaining a static IP. It is Hotmail's policy to reject all mail coming from dynamic IPs.


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The mail header MESSAGE-ID is a unique identifier. It's assigned by the mail server that sends the mail out in a specific format. Typically it's some date and time information, along with the server hostname. Your best bet would probably be to look into how the mail server software in question builds their MESSAGE-IDs and infer the ID of your test message ...


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Ubuntu offers a choice of SMTP (email) servers. My preference is Exim4, but others prefer Postfix. Both of these integrate with spamassaassin (for spam filtering) and clamav (for virus scanning). Clamav regularly downloads updates, and spamassassin has rule database feeds. I am not sure what you mean by "ComdoAV for win because of needing graphical ...



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