Postscreen blacklist - Service currently unavailable

2018-03-07 Thread Maurizio Caloro
Hello Together i will download the Banned Blacklist IP from Internet and add to me Postfix with Postscreen after i check the config from Postscreen i have the following configurations. strange thing are i will become this message von Mail.log Equal from where i send the email to my domain th

Re: Not receiving mail from some legitimate domains

2018-03-07 Thread Wietse Venema
jlftl: > Thank you very much for the responses! > > This is a small, personal setup with low traffic so I will definitely > explore using notify_classes to try to get more feedback on the failures. > > Remote server legitmacy - *.dbsintl.net appears to be a third party hosting > solution for smal

Re: Not receiving mail from some legitimate domains

2018-03-07 Thread jlftl
Thank you very much for the responses! This is a small, personal setup with low traffic so I will definitely explore using notify_classes to try to get more feedback on the failures. Remote server legitmacy - *.dbsintl.net appears to be a third party hosting solution for small businesses. In the

Re: Content filter with script

2018-03-07 Thread Alex K
On Mar 8, 2018 00:39, "Wietse Venema" wrote: Alex K: > Hi all, > > Just checking if anyone can provide any hints on the below. My advice: use postfwd to enforce size limits, instead of using a filter. This advice is valid if email arrives via SMTP. What is the problem with your code? 1) In you

Re: Content filter with script

2018-03-07 Thread Wietse Venema
Alex K: > Hi all, > > Just checking if anyone can provide any hints on the below. My advice: use postfwd to enforce size limits, instead of using a filter. This advice is valid if email arrives via SMTP. What is the problem with your code? 1) In your basic filter approach. the shell is not a sa

Re: Content filter with script

2018-03-07 Thread Alex K
Hi all, Just checking if anyone can provide any hints on the below. Thanx, Alex On Tue, Mar 6, 2018 at 3:16 PM, Alex K wrote: > Hi all, > > I am trying to setup a simple script, which will be used to check the mail > size and count the emails per user (the script does only mail size checks > a

Re: SMTP session caching

2018-03-07 Thread Wietse Venema
A. Schulze: > Hello, > > I like to ask about a documented limitation > (http://www.postfix.org/CONNECTION_CACHE_README.html#limitations) > > "For this reason, the Postfix smtp(8) client always closes the > connection after completing an attempt to deliver mail over TLS." Indeed. Postfix can migrat

SMTP session caching

2018-03-07 Thread A. Schulze
Hello, I like to ask about a documented limitation (http://www.postfix.org/CONNECTION_CACHE_README.html#limitations) "For this reason, the Postfix smtp(8) client always closes the connection after completing an attempt to deliver mail over TLS." I'm concerned becaus I see increasing traffic de

Re: Not receiving mail from some legitimate domains

2018-03-07 Thread Wietse Venema
John Fawcett: > > Mar 5 23:25:47 enceladus postfix/smtpd[5159]: connect from > > unknown[104.37.111.105] > > Mar 5 23:25:47 enceladus postfix/smtpd[5159]: disconnect from > > unknown[104.37.111.105] ehlo=1 mail=0/1 quit=1 commands=2/3 > Looks like the mail command gave an error. Bingo. The clien

Re: Not receiving mail from some legitimate domains

2018-03-07 Thread John Fawcett
On 06/03/18 19:12, jlftl wrote: > I have a server running Postfix (3.1.0-3ubuntu0.3) that has been in > production for a few months and is generally working well. However I've > been struggling to resolve an issue where some legitimate servers cannot > send inbound mail, where there appears to be