Re: newbie department

2016-08-25 Thread Benny Pedersen
On 2016-08-26 02:09, li...@lazygranch.com wrote: In a perfect world, I would reject email that fails SPF and DKIM. I recall noise from Google making this a plan, which that would force all the servers to clean up their act. google.com and gmail.com is not yet dnssec, possible it have low plans

[THREAD CLOSED] Re: newbie department

2016-08-25 Thread Viktor Dukhovni
> On Aug 25, 2016, at 8:31 PM, Michael J Wise wrote: > >> FWIW, I rather have the wrong address email address bounce. That and I >> don't want to eyeball the catch-all to see if it caught anything useful. > > Here's the thing. > > If you have a catch-all address, and something gets delivered t

Re: newbie department

2016-08-25 Thread Michael J Wise
> FWIW, I rather have the wrong address email address bounce. That and I > don't want to eyeball the catch-all to see if it caught anything useful. Here's the thing. If you have a catch-all address, and something gets delivered to it ... who looks at it and fishes it out and sends it to the righ

Re: newbie department

2016-08-25 Thread lists
FWIW, I rather have the wrong address email address bounce. That and I don't want to eyeball the catch-all to see if it caught anything useful.  You can fail2ban the password guessers.  In a perfect world, I would reject email that fails SPF and DKIM. I recall noise from Google making this a pl

Re: newbie department

2016-08-25 Thread D'Arcy J.M. Cain
On Thu, 25 Aug 2016 12:36:19 -0700 "Michael J Wise" wrote: > > No! Even though you don't have to have a mailbox to fill up (you > > can direct catch-all to /dev/null) this is still a bad idea. If > > someone sends you an important message at li...@lazygranch.com it > > will be silently ignored.

Re: newbie department

2016-08-25 Thread Ralph Seichter
On 25.08.2016 21:36, Michael J Wise wrote: > This fails badly for many security and privacy reasons if you are doing > anything other than running a personal, vanity domain. Is it really necessary to present a purely personal opinion of yours as a fact? Based on the needs of my customers and myse

Re: newbie department

2016-08-25 Thread Michael J Wise
> On Thu, 25 Aug 2016 10:31:47 -0700 > li...@lazygranch.com wrote: >> ‎This seems counter intuitive. So I am better off having a catch-all >> account that random emailers will fill up than not having one? "It Depends." Who cares if it's counter-intuitive. It's Observed Behavior. And in this ca

Re: newbie department

2016-08-25 Thread D'Arcy J.M. Cain
On Thu, 25 Aug 2016 10:31:47 -0700 li...@lazygranch.com wrote: > ‎This seems counter intuitive. So I am better off having a catch-all > account that random emailers will fill up than not having one? No! Even though you don't have to have a mailbox to fill up (you can direct catch-all to /dev/null

Re: newbie department

2016-08-25 Thread lists
‎This seems counter intuitive. So I am better off having a catch-all account that random emailers will fill up than not having one? I know the postfix has a rate limiter. Isn't that enough to deter attacks? "If the message is 5xx'd at the edge, that tells the ATTACKER that you do NOT have a catc

Re: newbie department

2016-08-25 Thread Michael J Wise
> On 8/25/2016 9:59 AM, Glenn English wrote: >> Why do I get mail to names like dcpczy3foku+gcyvikdnlcei? >> >> They're not a lot of them, but they show up every few days, and I can't >> think why anybody'd do this. At first I thought somebody was trying to >> access their bot, but Postfix rejects

Re: Porn spam killer PCRE

2016-08-25 Thread Sean Greenslade
On Thu, Aug 25, 2016 at 05:28:35PM +0300, Nikolaos Milas wrote: > On 23/8/2016 11:58 μμ, Sean Greenslade wrote: > > > Hope this is helpful, > > Thanks Sean for your time and eagerness to help. I appreciate it. > > I am planning to try your suggestions. > > I am using CentOS 6. Can you please le

Re: newbie department

2016-08-25 Thread Noel Jones
On 8/25/2016 9:59 AM, Glenn English wrote: > Why do I get mail to names like dcpczy3foku+gcyvikdnlcei? > > They're not a lot of them, but they show up every few days, and I can't think > why anybody'd do this. At first I thought somebody was trying to access their > bot, but Postfix rejects the

Re: newbie department

2016-08-25 Thread Sven Schwedas
On 2016-08-25 16:59, Glenn English wrote: > Why do I get mail to names like dcpczy3foku+gcyvikdnlcei? Spammers. ¯\_(ツ)_/¯ It serves both to verify operations of your server (to mark it as possible target for slightly less morose attempts), and might end up in catchall mailboxes on some systems.

newbie department

2016-08-25 Thread Glenn English
Why do I get mail to names like dcpczy3foku+gcyvikdnlcei? They're not a lot of them, but they show up every few days, and I can't think why anybody'd do this. At first I thought somebody was trying to access their bot, but Postfix rejects them after a quick look at /etc/passwd... -- Glenn Eng

Re: How are virtual mailboxes matched?

2016-08-25 Thread Todd C. Olson
>From the virtual(5) man page Virtual aliasing is recursive, So I speculate what is happening is fi...@customer-domain.de -> fi...@pipe.mail.tld.de and then recursively starting over fi...@pipe.mail.t

Re: Porn spam killer PCRE

2016-08-25 Thread Nikolaos Milas
On 23/8/2016 11:58 μμ, Sean Greenslade wrote: Hope this is helpful, Thanks Sean for your time and eagerness to help. I appreciate it. I am planning to try your suggestions. I am using CentOS 6. Can you please let me know about the perl package SPF-related bug you mentioned? I have install

Re: Postfix update on Freebsd

2016-08-25 Thread lists
Thanks to both of you.  Generally when I've seen these "underscore" updates, I try to recompile and the make file indicates there is nothing to do. But that may be because my configuration file doesn't use a option that caused the "underscore" to be added. The Freshports page timed out, but as