Re: email scannering / filtering

2018-12-20 Thread John Capo via NANOG
On Fri, December 14, 2018 13:49, Chris Adams wrote: > Once upon a time, Grant Taylor via NANOG said: > >> - ClamAV >> > > In my recent experience, ClamAV is basically useless against email > viruses. On one setup I run that handles around half a million messages a > day, ClamAV might flag > 3-5

Re: email scannering / filtering

2018-12-14 Thread Bryan Holloway
postfix + postscreen for MTA ... MailScanner + MailWatch for anti-. I've heard good things about rspamd, but I haven't tried it. On 12/14/18 5:30 AM, David Funderburk wrote: What open source email filtering system is working well for you? Regards, David Funderburk GlobalVision 864-56

Re: email scannering / filtering

2018-12-14 Thread Brielle Bruns
On 12/14/2018 1:00 PM, John Von Essen wrote: I've used Sendmail + MIMEDefang + SpamAssassin w/clamav for over 15 years. And on the SA side I use all the bells and whistles available like DCC greylisting, all the public blacklists, there are some 3rd party rulesets you can subscribe to, etc.,. I

Re: email scannering / filtering

2018-12-14 Thread John Von Essen
I've used Sendmail + MIMEDefang + SpamAssassin w/clamav for over 15 years. And on the SA side I use all the bells and whistles available like DCC greylisting, all the public blacklists, there are some 3rd party rulesets you can subscribe to, etc.,. In the end its not as good as gmail, but prett

Re: email scannering / filtering

2018-12-14 Thread Chris Adams
Once upon a time, Grant Taylor via NANOG said: > - ClamAV In my recent experience, ClamAV is basically useless against email viruses. On one setup I run that handles around half a million messages a day, ClamAV might flag 3-5 as viruses. I'm dubious that that's all the virus messages that came

Re: email scannering / filtering

2018-12-14 Thread Grant Taylor via NANOG
On 12/14/18 4:30 AM, David Funderburk wrote: What open source email filtering system is working well for you? - Sendmail - SpamAssassin - ClamAV - OpenDKIM - OpenDMARC - SPFmilter - NoListing (a variant of Grey Listing that has worked exceedingly well for me.) - Junk Email Filter MX t

Re: email scannering / filtering

2018-12-14 Thread Rich Kulawiec
On Fri, Dec 14, 2018 at 06:30:08AM -0500, David Funderburk wrote: > What open source email filtering system is working well for you? I've been studying email abuse for a very long time, and am writing a book about defending against it with open-source tools. One of the things that I've learned o

Re: email scannering / filtering

2018-12-14 Thread Guillaume Tournat
Hello, For MTA server, I use Postfix, with some blacklists (DNSBL). For filtering then: SpamAssassin + Clamav works well. Le 14/12/2018 à 12:30, David Funderburk a écrit : What open source email filtering system is working well for you? Regards, David Funderburk GlobalVision 864-569-0703

email scannering / filtering

2018-12-14 Thread David Funderburk
What open source email filtering system is working well for you? Regards, David Funderburk GlobalVision 864-569-0703 For Technical Support, please email gv-supp...@globalvision.net. -- This message has been scanned by E.F.A. Project and is believed to be clean.