Another possibility is squid (web proxy server). If you don't have squid set up to deny outsiders (this is enabled by default, but you may have inadvertently disabled it), they could spam that way. I ...
When I look in the SMTP queues, I see a lot of outbound messages that have junk mail addresses. Furthermore, a couple of users have reported getting non-delivery notifications for messages they didn't ...
New Zealand developer Firetrust Ltd. has announced that its server-side spam filtering tool MailWasher Pro is now available for Mac and Linux. The software enables users to view new e-mails on the ...
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