Date: Wed, 31 Aug 2005 12:00:12 -0500 From: Noel Jones <noeldude@gmail.com> To: freebsd-questions@freebsd.org Subject: Re: problem with email... Message-ID: <cce506b050831100060e271c3@mail.gmail.com> In-Reply-To: <48vksc$1ctf9j6@mxip19a.cluster1.charter.net> References: <48vksc$1ctf9j6@mxip19a.cluster1.charter.net>
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On 8/31/05, kdonathan@charter.net <kdonathan@charter.net> wrote: > Hello, > > Thank you in advance for your help. My name is Karen Donathan and I am the Computer Science teacher at George Washington High School in Charleston, WV. (http://gwhs.kana.k12.wv.us). We have been running FreeBSD on our webserver for abuot 5 years. > > Over the summer, I recently began getting "fake" email messages from mail@gwhs...., admin@gwhs....., security@gwhs....,register@gwhs...., etc. etc. etc. The subject line is always something like "YOUR ACCOUNT IS SUSPENDED....", "You have successfully updated your password....", etc. Each of these contain an attachment, so I know that a virus is trying to get into our server. I need some suggestions on what to do to make this stop. > The general answers are: - add a virus scanner to your mail server (clamav works well) - reject mail with invalid local sender addresses - add some spam controls to your mail server Specific answers depend on what mail software (sendmail? postfix? exim? qmail? something else?) you are using and how strict rules you can apply. -- Noel Joneshelp
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