Re: Question about address verification in MX2 when primary MX is down...

2009-08-06 Thread Charles Marcus
On 8/6/2009 12:29 PM, Aaron Wolfe wrote: address_verify_map = btree:/var/lib/postfix/verify address_verify_positive_refresh_time = 14d unverified_recipient_defer_code = 250 >>> You are correct, but this is NOT the recommended way... >>> >>> Don't change the unverified_recipient_defe

Re: Question about address verification in MX2 when primary MX is down...

2009-08-06 Thread Aaron Wolfe
On Thu, Aug 6, 2009 at 8:39 AM, Charles Marcus wrote: > On 8/6/2009, Santiago Romero (srom...@servicom2000.com) wrote: >> By adding the following to my main.cf, I'll check RCPT TO addresses >> against primary MX, except when PRIMARY MX doesn't answer. In that case, >> I'll accept any destination fo

Re: Question about address verification in MX2 when primary MX is down...

2009-08-06 Thread Charles Marcus
On 8/6/2009, Santiago Romero (srom...@servicom2000.com) wrote: > By adding the following to my main.cf, I'll check RCPT TO addresses > against primary MX, except when PRIMARY MX doesn't answer. In that case, > I'll accept any destination for my relay_domains list, just like I was > doing before add

Re: Question about address verification in MX2 when primary MX is down...

2009-08-06 Thread Santiago Romero
Yes, that's what the docs say. 450 = default, defer mail if the address can't be verified. 250 = if the address can't be verified, accept it anyway. Not recommended. So, summarizing. (And, please, correct me before doing a wrong change in my config file): My current server now is a backsc

Re: Question about address verification in MX2 when primary MX is down...

2009-08-05 Thread Mikael Bak
Charles Marcus wrote: > On 8/5/2009, Mikael Bak (mik...@t-online.hu) wrote: >>> So, do you mean that changing this parameter to 250 would make postfix >>> to accept the email? > >> No. > > Actually, the answer to his question is yes. > >> You should leave this parameter in its default value. >

Re: Question about address verification in MX2 when primary MX is down...

2009-08-05 Thread Charles Marcus
On 8/5/2009, Mikael Bak (mik...@t-online.hu) wrote: >> So, do you mean that changing this parameter to 250 would make postfix >> to accept the email? > No. Actually, the answer to his question is yes. > You should leave this parameter in its default value. Correct - but he specifically asked if

Re: Question about address verification in MX2 when primary MX is down...

2009-08-05 Thread Noel Jones
Santiago Romero wrote: Hi, Quoting the documentation[1]: "The unverified_recipient_defer_code parameter (default 450) specifies the numerical Postfix SMTP server reply code when a recipient address probe fails with some temporary error. Some sites insist on changing this into 250. NOTE: This

Re: Question about address verification in MX2 when primary MX is down...

2009-08-05 Thread Mikael Bak
Santiago Romero wrote: > >> Hi, >> >> Quoting the documentation[1]: >> >> "The unverified_recipient_defer_code parameter (default 450) specifies >> the numerical Postfix SMTP server reply code when a recipient address >> probe fails with some temporary error. Some sites insist on changing >> this

Re: Question about address verification in MX2 when primary MX is down...

2009-08-05 Thread Santiago Romero
Hi, Quoting the documentation[1]: "The unverified_recipient_defer_code parameter (default 450) specifies the numerical Postfix SMTP server reply code when a recipient address probe fails with some temporary error. Some sites insist on changing this into 250. NOTE: This change turns MX servers

Re: Question about address verification in MX2 when primary MX is down...

2009-08-04 Thread Mikael Bak
Brian Evans - Postfix List wrote: > Mikael Bak wrote: >> Brian Evans - Postfix List wrote: >> >>> Mikael Bak wrote: >>> Santiago Romero wrote: > Really, reject_unverified_recipient feature is very nice, but rejecting > all mail when primary MX doesn't answer

Re: Question about address verification in MX2 when primary MX is down...

2009-08-04 Thread Brian Evans - Postfix List
Mikael Bak wrote: > Brian Evans - Postfix List wrote: > >> Mikael Bak wrote: >> >>> Santiago Romero wrote: >>> >>> Really, reject_unverified_recipient feature is very nice, but rejecting all mail when primary MX doesn't answers breaks it for us :( Any idea? :?

Re: Question about address verification in MX2 when primary MX is down...

2009-08-04 Thread Mikael Bak
Brian Evans - Postfix List wrote: > Mikael Bak wrote: >> Santiago Romero wrote: >> >>> Really, reject_unverified_recipient feature is very nice, but rejecting >>> all mail when primary MX doesn't answers breaks it for us :( >>> >>> Any idea? :? >>> >> Hi, >> >> Quoting the documentation[1]:

Re: Question about address verification in MX2 when primary MX is down...

2009-08-04 Thread Brian Evans - Postfix List
Mikael Bak wrote: > Santiago Romero wrote: > >> Really, reject_unverified_recipient feature is very nice, but rejecting >> all mail when primary MX doesn't answers breaks it for us :( >> >> Any idea? :? >> > > Hi, > > Quoting the documentation[1]: > > "The unverified_recipient_defer_code pa

Re: Question about address verification in MX2 when primary MX is down...

2009-08-04 Thread Mikael Bak
Santiago Romero wrote: > > Really, reject_unverified_recipient feature is very nice, but rejecting > all mail when primary MX doesn't answers breaks it for us :( > > Any idea? :? > Hi, Quoting the documentation[1]: "The unverified_recipient_defer_code parameter (default 450) specifies the num

Re: Question about address verification in MX2 when primary MX is down...

2009-08-04 Thread Santiago Romero
If you want this behavior, do not use reject_unverified*. Instead, use a relay_recipient_maps that can be checked locally. Hi. This server is a secondary MX server for our customers. Those customers have their own "private" primary MX servers, so It's not possible for me to have a local

Re: Question about address verification in MX2 when primary MX is down...

2009-08-03 Thread Charles Marcus
On 8/3/2009, Santiago Romero (srom...@servicom2000.com) wrote: > This works nicely when MX1 servers are working and answering RCPT-TO > checks, but then I asked ... what happens if my server can't reach > the primary MX (server stopped, misconfiguration, power outage...) ? > > In that case my serv

Re: Question about address verification in MX2 when primary MX is down...

2009-08-03 Thread Brian Evans - Postfix List
Santiago Romero wrote: > > This works nicely when MX1 servers are working and answering RCPT-TO > checks, but then I asked ... what happens if my server can't reach the > primary MX (server stopped, misconfiguration, power outage...) ? > > In that case my server reacts rejecting ALL email because i

Question about address verification in MX2 when primary MX is down...

2009-08-03 Thread Santiago Romero
Hi!. I have a secondary MX server and I'm trying to configure it to "check" recipient addresses against primary SMTP servers to reject emails directed to non existing addresses. I've read the following: http://www.postfix.org/ADDRESS_VERIFICATION_README.html So I added this to my main.cf: