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Congratulations Chriss Miller on being selected by the Tek-Tips community for having the most helpful posts in the forums last week. Way to Go!
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Help with configuring sendmail to stop spam
Here's my 2 cents, both on the general and the specifc questions: You are all describing the "spam filter life cycle" - all filters do a decent job at first, but then their performance declines over time. Why is that? Because spammers use the same filters to test their spam blasts. They just...- Orenf
- Post #16
- Forum: Sendmail, Inc.: Sendmail
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Block unsolicited email
You might want to switch to Electric Mail (disclosure: I work for them). They offer the same sevice as message labs (and some added features), and can also filter your mail based on a user list, so that only validated mail gets through, the rest can be bounced back without ever reaching your...- Orenf
- Post #13
- Forum: Microsoft: Exchange
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anti-spam firewall?
you might want to consider the impact of having the spam filter on your firewall, as it can consume considerable resources, what with frequent updates and all. if you want to avoid having to tinker with a dedicated spam solution, why not subscribe to a perimeter service provider, such as...- Orenf
- Post #3
- Forum: Security, hacker detection & forensics
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Relay and spam
are you essentially looking to block directory harvest attacks - to only allow mail for validated users to reach your domain? if so, you might want to consider a perimeter filtering service, such as the one provided by Electric Mail, which will filter incoming mail outside of your network, and...- Orenf
- Post #2
- Forum: Sendmail, Inc.: Sendmail
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URGENT! Spammed by Excessive Undeliverable Gateway messages
You might want to consider a managed spam service (such as Electric Mail), which will filter and mangae traffic outside of your network, and prevent directory harvest attacks or relaying issues. Since you won't have to install anything on your end, it is typically much more cost effective than...- Orenf
- Post #16
- Forum: - General Groupware/Mail server discussion
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Disaster recovery from 5.5 to 2003
Can't really help you with your Exchange issue, but have you considered implementing a messaging business cotinuity service, to keep your email up and running in case a server goes down? Oren- Orenf
- Post #2
- Forum: Microsoft: Exchange
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Block unsolicited email
Can you tell us who you outsource your spam filter service from? It sounds like you're getting spam management, and not spam elimination... Oren- Orenf
- Post #9
- Forum: Microsoft: Exchange
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email from message labs timing out
How odd... Have you seen this problem from people using similar services, such as Frontbridge or Electric Mail? Oren- Orenf
- Post #2
- Forum: Microsoft: Exchange
