Re: Fallback to IPV4 in case of IPV6 is not available

2017-03-26 Thread Doug Barton
On 03/26/2017 02:48 PM, Benny Pedersen wrote: Doug Barton skrev den 2017-03-26 22:16: On 03/26/2017 12:21 PM, Dirk Stöcker wrote: So while a suggestion not to care about IPv6 may have been valid in 2014. It is simply wrong in 2017. Here here! And keep in mind that mobile providers are primar

Re: ot: 554 No SMTP service here

2017-03-26 Thread Voytek
On Mon, March 27, 2017 2:59 am, Richard wrote: > > Wasn't this same question (about the same IPnumber) responded to > earlier this month by Wietse? > > Date: Thursday, March 02, 2017 19:34:27 -0500 > From: Wietse Venema > To: Postfix users > Subject: Re: ot: 554 No SMTP service here oops, sorr

Re: Fallback to IPV4 in case of IPV6 is not available

2017-03-26 Thread Benny Pedersen
Doug Barton skrev den 2017-03-26 22:16: On 03/26/2017 12:21 PM, Dirk Stöcker wrote: So while a suggestion not to care about IPv6 may have been valid in 2014. It is simply wrong in 2017. Here here! And keep in mind that mobile providers are primarily v6 nowadays, so those numbers are only goin

Re: Fallback to IPV4 in case of IPV6 is not available

2017-03-26 Thread Doug Barton
On 03/26/2017 12:21 PM, Dirk Stöcker wrote: So while a suggestion not to care about IPv6 may have been valid in 2014. It is simply wrong in 2017. Here here! And keep in mind that mobile providers are primarily v6 nowadays, so those numbers are only going up. Doug

Re: Fallback to IPV4 in case of IPV6 is not available

2017-03-26 Thread A. Schulze
Am 26.03.2017 um 21:21 schrieb Dirk Stöcker: > Checking my current logfiles of the last few days and stripping all duplicate > entries (IP addresses or domain names indicate they are same) I get following > results (for outgoing TLS connections): > > Server 1: 5 / 24 == 17% IPv6 > Server 2: 12

Re: Fallback to IPV4 in case of IPV6 is not available

2017-03-26 Thread Dirk Stöcker
On Sat, 25 Mar 2017, Paul C wrote: I wish the world would use ipv6 enough for this to be worth doing, but it's not going to have much benefit to you as there's almost no one using it for smtp, from the last time I checked which was a few months ago, google uses it perfectly, verizon too (maybe a

Re: ot: 554 No SMTP service here

2017-03-26 Thread Richard
> Date: Sunday, March 26, 2017 23:50:41 +1100 > From: Voytek > > dumb question: > > if I get 'connection closed' as below, does that confirm problem is > at remote end, not my Postfix ? > > is there any other diags I can run from my end ? > > Postfix works well, but, can not send to one parti

ot: 554 No SMTP service here

2017-03-26 Thread Voytek
dumb question: if I get 'connection closed' as below, does that confirm problem is at remote end, not my Postfix ? is there any other diags I can run from my end ? Postfix works well, but, can not send to one particular server from my Postfix server, I get telnet failure as so: # telnet 115.70

Re: Monitoring Postfix Mail queue with SNMP

2017-03-26 Thread Voytek
On Sat, March 18, 2017 4:06 am, Sean Son wrote: > Hello all > > > We would like to monitor Postfix mail queues using SMNP so we can receive > alerts whenever the mail queue reaches a certain threshold. What OID and > MIB would we have to use to be able to monitor Postfix mail queues? Sean, I us

Re: Fallback to IPV4 in case of IPV6 is not available

2017-03-26 Thread Allen Coates
On 25/03/17 14:43, Wietse Venema wrote: > Postfix can be configured to try IPv6 before IPv4 (with > smtp_address_preference), but that feature is independent from > routing features such as transport_maps, smtp_fallback_relay, and > so on. That is, there are no ipv6_transport_maps or > ipv4_smtp_