SA on MTA and MDA

2016-10-11 Thread Justin Edmands
We have SA running via Mimedefang on our MTAs. We have Zimbra MDA to manage our mailstores. We do not currently have the MDA run SA checks on mail. We let everything be done by the MTA. Because of this, the inidivudal users preferences to "mark as spam" does not help the individual user. They will

Re: Prevent 'on behalf of' showing internal but really from external domain

2016-01-11 Thread Justin Edmands
ok thank you. we do use that so I will post to the mimedefang list. -- Justin Edmands SAGE Dining Services, Inc.® Technology Department jus...@sagedining.com (410) 339-3950 x38 From: "Kevin A. McGrail" To: "Justin Edmands" , users@spamassassin.apache.org Sent

Prevent 'on behalf of' showing internal but really from external domain

2016-01-11 Thread Justin Edmands
We have seen a few messages that were allowed to be sent "on be half of" a user within our network. The external users domain was able to send through our relay and sort of spoof the user. Any way to use spamassassin to prevent this sort of this?

whitelist limitations

2014-11-13 Thread Justin Edmands
We have a few thousand vendors in our websites database that I would like to add to a whitelist. I am thinking of creating a /etc/mail/spamassassin/ corewhitelist.cf from this database. What are the limitations/ repercussions of using a sitewide whitelist? If I have 2000 addresses in the whitelist

Spamhaus timeouts -- are they being DDoSed again?

2014-09-19 Thread Justin Edmands
I caught wind from a post on ddos-protection.org that Spamhaus is getting DDoS attacked again. We are getting timeouts to spamhaus servers intermittently. One test scan will work properly with no timeouts, the next will say "deadline shrunk", then "the calling callback/abort on key" and spam will f

Large commented out body HTML causing SA to timeout/give up/allow spam

2014-09-05 Thread Justin Edmands
We are seeing a few emails that are about a 1MB and appear to have only a few lines of text. Upon further investigation, the email is in HTML with a HUGE commented out part. links, text, crap, and other stuff On the command line, I manually run the message through SA and it shows it has

Spamassassin and multimaster MySQL cluster

2014-06-02 Thread Justin Edmands
I have been reading about spamassassins ability to be used with a mysql cluster. I am familiar with XtraDB Cluster from Percona. It's currently what we use and it's pretty easy to setup. I have 3 locations with 2 relays at each location. I am thinking to just make each mail relay, into a Percona Xt