Question about logging mismatched DNS in submission server

2017-10-29 Thread MRob
Lately it looks like some zombie bot farm is connecting to submission (and looks to do nothing except connect), causing many of these in the logs: Oct 28 06:15:35 mail postfix/smtpd[12941]: warning: hostname x.y.z does not resolve to address 11.22.33.44: Name or service not known For submiss

Re: Question about logging mismatched DNS in submission server

2017-10-29 Thread Bill Cole
On 29 Oct 2017, at 3:28 (-0400), MRob wrote: Lately it looks like some zombie bot farm is connecting to submission (and looks to do nothing except connect), causing many of these in the logs: Oct 28 06:15:35 mail postfix/smtpd[12941]: warning: hostname x.y.z does not resolve to address 11.22

Re: Question about logging mismatched DNS in submission server

2017-10-29 Thread Wietse Venema
MRob: > Lately it looks like some zombie bot farm is connecting to submission > (and looks to do nothing except connect), causing many of these in the > logs: > > Oct 28 06:15:35 mail postfix/smtpd[12941]: warning: hostname x.y.z does > not resolve to address 11.22.33.44: Name or service not kn

Re: Question about logging mismatched DNS in submission server

2017-10-29 Thread /dev/rob0
On Sun, Oct 29, 2017 at 07:28:24AM +, MRob wrote: > Lately it looks like some zombie bot farm is connecting to > submission (and looks to do nothing except connect), causing many > of these in the logs: > > Oct 28 06:15:35 mail postfix/smtpd[12941]: warning: hostname > x.y.z does not resolve

directing logs to remote syslog with any local syslog instance

2017-10-29 Thread zhong ming wu
Hello, I had successfully used postfix for years and now I am trying to recreate postfix clusters in docker and in particular interested in how I can direct all postfix logs from a container to other places. I do not find in postfix configuration how one can achieve this without any local syslog d

Postfix stable release 3.2.4, and legacy releases 3.1.7 and 3.0.11

2017-10-29 Thread Wietse Venema
[An on-line version of this announcement will be available at http://www.postfix.org/announcements/postfix-3.2.4.html] This announcement concerns fixes for problems that were introduced with Postfix 3.0 and later. Older supported releases are unaffected. Fixed in Postfix 3.1 and later: * DANE

Re: directing logs to remote syslog with any local syslog instance

2017-10-29 Thread Wietse Venema
zhong ming wu: > Hello, > I had successfully used postfix for years and now I am trying to recreate > postfix clusters in docker and in particular interested in how I can direct > all postfix logs from a container to other places. > > I do not find in postfix configuration how one can achieve this

Re: directing logs to remote syslog with any local syslog instance

2017-10-29 Thread Bill Cole
On 29 Oct 2017, at 17:22 (-0400), zhong ming wu wrote: Hello, I had successfully used postfix for years and now I am trying to recreate postfix clusters in docker and in particular interested in how I can direct all postfix logs from a container to other places. I do not find in postfix conf

Question about default_destination_concurrency_limit

2017-10-29 Thread J Doe
Hi, I had a question regarding the main.cf parameter “default_destination_concurrency_limit”. The man page (man 5 postconf), states it is: “The default maximal number of parallel deliveries to the same destination.” and that this applies to the smtp(8) delivery agent. This got me wondering .

Re: Question about default_destination_concurrency_limit

2017-10-29 Thread Viktor Dukhovni
> On Oct 29, 2017, at 9:40 PM, J Doe wrote: > > I had a question regarding the main.cf parameter > “default_destination_concurrency_limit”. The man page (man 5 postconf), > states it is: “The default maximal number of parallel deliveries to the same > destination.” Correct. > and that thi

Re: Question about default_destination_concurrency_limit

2017-10-29 Thread J Doe
Hi Viktor, > On Oct 30, 2017, at 12:11 AM, Viktor Dukhovni > wrote: > >> I had a question regarding the main.cf parameter >> “default_destination_concurrency_limit”. The man page (man 5 postconf), >> states it is: “The default maximal number of parallel deliveries to the same >> destination

Re: unable to send email to hotmail.com domain

2017-10-29 Thread Poliman - Serwis
Hmm, you know... Contact in any case with the Microsoft was pain in ass many times. Second thing better do some "backup way" if contacting with ms support do nothing like almost all time. Now I am really surprised, because they answer (wow!), they answer in short time (WOW!) and it was positive ans

Re: disable receiving for particular email

2017-10-29 Thread Poliman - Serwis
Ok, if all solutions are even to each other I will choose one. 2017-10-27 16:08 GMT+02:00 Matus UHLAR - fantomas : > On 23.10.17 15:35, Poliman - Serwis wrote: > >> Thank you for a lot of answers. Could you tell me how would you resolve >> the >> problem? >> > > we already told you how would we r

Re: Question about default_destination_concurrency_limit

2017-10-29 Thread Viktor Dukhovni
> On Oct 30, 2017, at 12:37 AM, J Doe wrote: > >>> and that this applies to the smtp(8) delivery agent. >> >> It states no such thing, and indeed this is not the case. > > Oh, perhaps I am mistaken. When I look at that parameter using: > http://www.postfix.org/postconf.5.html > > ...it sta