Spam is the use of electronic messaging systems (including most broadcast media, digital delivery systems) to send unsolicited bulk messages indiscriminately.
25
votes
2answers
3k views
What malicious things can happen when clicking on links in email?
I've received a spam from one of my friends (well I'm sure he didn't send it). so there's this link, and i'd thought what exactly would be the implications of clicking the link (i've not clicked it ...
21
votes
2answers
653 views
What is the point of spam like this?
I fairly often happen across forums spammed with messages such as:
Arugula (Eruca sativa) is an quarterly green, pretended or roquette.
It's been Traditional times, overclever 20 flat has be ...
11
votes
4answers
447 views
what to do after suspected intrusion on hobby webserver
I maintain a server to host my files and a number of websites for hobbies and friends. I just noticed that the site summary being returned in google for one of my domains were all porn related ...
6
votes
3answers
256 views
What are common/official methods of reporting spam/phishing/nasty-grams to organizations?
A user of mine just received a phishing email claiming to be the IRS. What methods of reporting are available, and what should be included?
5
votes
2answers
765 views
spam with my own domain
At my work we have a very tricky issue with spam. We use postfix, and recently began to receive several spams mail with our own domain. This is obviously very prejudicial for us, because many ...
5
votes
12answers
1k views
Is there a true alternative to using CAPTCHA images?
Security is about balancing costs and risks, nothing is impossible to beat, specially not typical CAPTCHA implementations, but they do add something no other system seems to offer.
I've been reading ...
6
votes
5answers
308 views
How do I safely inspect a suspicious email attachment?
I received a pretty blatantly spammy email to my Gmail account. I'm not really sure how it made it through the spam filters, since it has all of the telltale signs. The FROM field is spoofed as ...
1
vote
2answers
78 views
mod_spamhaus whitelist example to allow a range of ips
How would an example whitelist look like, that would whitelist a
range of all IPs from 123.123.0.0 - 123.123.255.255 ?
I have the whitelistfile in
/etc/spamhaus.wl
