Re: [gentoo-user] RFC: Implementing a spamfiltering frontend

2011-05-21 Thread Andrea Conti
On 21/05/11 06.13, Pandu Poluan wrote: Hello list! Due to the increase of spam/phishing emails received by my office, I decided to explore the idea of implementing a spamfiltering 'frontend' in front of my email server. Here's how I plan to do it: fetchmail (G) -- postfix (G) --

Re: [gentoo-user] RFC: Implementing a spamfiltering frontend

2011-05-21 Thread Pandu Poluan
On 2011-05-21, Andrea Conti a...@alyf.net wrote: On 21/05/11 06.13, Pandu Poluan wrote: Hello list! Due to the increase of spam/phishing emails received by my office, I decided to explore the idea of implementing a spamfiltering 'frontend' in front of my email server. Here's how I plan to

Re: [gentoo-user] RFC: Implementing a spamfiltering frontend

2011-05-21 Thread Andrea Conti
so unless you need to perform complex mail routing you could directly send the filtered mail to the windows server. Hmm... interesting points. But can it still do the 2nd part of the equation, that is, perform outgoing routing? That's what I meant with complex mail routing :) The problem

Re: [gentoo-user] RFC: Implementing a spamfiltering frontend

2011-05-21 Thread Stroller
On 21/5/2011, at 5:13am, Pandu Poluan wrote: ... Due to the increase of spam/phishing emails received by my office, I decided to explore the idea of implementing a spamfiltering 'frontend' in front of my email server. Here's how I plan to do it: fetchmail (G) -- postfix (G) --

Re: [gentoo-user] RFC: Implementing a spamfiltering frontend

2011-05-21 Thread Pandu Poluan
On 2011-05-21, Stroller strol...@stellar.eclipse.co.uk wrote: On 21/5/2011, at 5:13am, Pandu Poluan wrote: ... Due to the increase of spam/phishing emails received by my office, I decided to explore the idea of implementing a spamfiltering 'frontend' in front of my email server. Here's how

Re: [gentoo-user] RFC: Implementing a spamfiltering frontend

2011-05-21 Thread David W Noon
On Sat, 21 May 2011 16:40:02 +0200, Andrea Conti wrote about Re: [gentoo-user] RFC: Implementing a spamfiltering frontend: [snip] The problem with having two passes through postfix in the mail routing chain is that you either run two separate postfix instances with independent configurations

Re: [gentoo-user] RFC: Implementing a spamfiltering frontend

2011-05-21 Thread Stroller
On 21/5/2011, at 5:14pm, Pandu Poluan wrote: ... Well, we've been receiving obvious spams from @yahoo.com, @gmail.com, and these are valid addresses (apparently people who got phished). Have you checked they're originating at yahoo / gmail servers? Anyone can spoof a from: address. Plus,

[gentoo-user] RFC: Implementing a spamfiltering frontend

2011-05-20 Thread Pandu Poluan
Hello list! Due to the increase of spam/phishing emails received by my office, I decided to explore the idea of implementing a spamfiltering 'frontend' in front of my email server. Here's how I plan to do it: fetchmail (G) -- postfix (G) -- amavisd+spamassassin+database (G) -- postfix (G) --