Questions tagged [spam]
Unsolicited e-mail, comments or posts, often sent out in large volumes; possibly but not necessarily commercial in nature
1,411
questions
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10
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Where to go to see if my IP is blacklisted as a SPAM
This has happened before and some mail servers will tell you that your IP has been blacklisted (RBL, CBL, etc) but I can't find that site to check anymore and searches result in a site that may or may ...
- 441
2
votes
4
answers
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What is the best way to deal with spam or virus infected hosts in wireless network with personal laptops?
What is the best way to deal with spam or virus infected hosts in wireless network with personal laptops (like personal students laptops in university)? What polices and tools use your company?
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How do I configure SPF for multiple domains on a server? (also allowing gmail as a sender)
SPF (Sender Policy Framework) seems like a good way to combat spammers/spoofing.
However, despite reading the explanations several times, I'm not quite understanding how to configure it correctly.
...
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15
votes
5
answers
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How to minimise SpamAssassin (spamd) memory use
I'm using SpamAssassin on Debian (the default configuration with Pyzor, AWL and Bayes disabled, and sa-compile enabled), and each of the spamd child processes consume around 100 to 150MB of memory (...
- 909
4
votes
3
answers
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How to detect form spamming on your web servers?
If you run hundred of web sites on your servers, what it is the most efficient, automated way to detect if bots are using your HTML forms to send spam email, even if your forms have some kind of ...
- 28.6k
3
votes
3
answers
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How do you configure sendmail to reject Email with a Date header too far from real time?
A friend of mine using (I believe) qmail has it configured to reject, as SPAM, any incoming Email with a Date: header that is too far from real time. I can't figure out how to do this with sendmail. ...
- 11.5k
10
votes
7
answers
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Does SMTP greylisting a) stop much spam and b) stop much legitimate mail?
I've just set up an SMTP server on a relatively little used domain using Postfix and enabled greylisting with SQLGrey. So far it seems to be working OK, and while there's the slight irritation of ...
- 1,903
2
votes
1
answer
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Does the Anti-SPAM filtering in SmarterMail work on the Distribution Lists?
I have a few distribution lists running in "Subscriber Only" mode, meaning that only somebody who is subscribed to the list (or on the Whitelist) can post to the list.
Some spammers have discovered ...
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4
votes
9
answers
1k
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Can anyone recommend a perimeter SPAM filtering service? [closed]
I am interested in what folks are using for perimeter SPAM filtering services.
The service must:
plug in via MX records in DNS (e.g. MX -> perimeter filter -> my mail server)
can be secured such ...
- 1,436
14
votes
11
answers
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Good & free Exchange spam filter [closed]
Do you know a good (and free, if possible) Microsoft Exchange 2003 spam filter?
- 243
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votes
5
answers
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Recommendations for SMTP services for massive mailing [closed]
What is the recommendations for SMTP services for massive mailing?
Let me clarify, most of the free SMTP services (Gmail, Yahoo, Hotmail, etc...) has limits about the amount of messages you can send ...
- 337