Re: Limiting email relays to non-existent users

2013-03-14 Thread Elaconta.com Webmaster
On 14/03/2013 18:28, /dev/rob0 wrote: On Thu, Mar 14, 2013 at 11:47:18AM +, Elaconta.com Webmaster wrote: Elaconta.com Webmaster wrote: Benny Pedersen wrote: Elaconta.com Webmaster skrev den 2013-03-14 11:48: Specifically, if a user sends 100 emails and more than 25 of those are send to

Re: Limiting email relays to non-existent users

2013-03-14 Thread Elaconta.com Webmaster
Elaconta.com Webmaster wrote: Benny Pedersen wrote: Elaconta.com Webmaster skrev den 2013-03-14 11:48: Specifically, if a user sends 100 emails and more than 25 of those are send to non-existing users, disable email relaying for that user for half an hour, for instance. i say

Re: Limiting email relays to non-existent users

2013-03-14 Thread Elaconta.com Webmaster
Benny Pedersen wrote: Elaconta.com Webmaster skrev den 2013-03-14 11:48: Specifically, if a user sends 100 emails and more than 25 of those are send to non-existing users, disable email relaying for that user for half an hour, for instance. i say reject_unverified_recipient one more time

Re: Limiting email relays to non-existent users

2013-03-14 Thread Elaconta.com Webmaster
Benny Pedersen wrote: Elaconta.com Webmaster skrev den 2013-03-14 10:50: When that happens, the CPanel server outputs something like: ask cpanel for support Domain has exceeded the max defers and failures per hour (5/5 (26%)) allowed. Message discarded. pretty cool Is there a way to

Limiting email relays to non-existent users

2013-03-14 Thread Elaconta.com Webmaster
Hello Is there a way in Postfix to limit email relays to non-existent users? For example, if an email has over 25% failures in its email sending attemps in the last hour, block that email for an hour or so. When, say, hacked scripts are used by spammers to send mass emails, this would help l

Postfix Sender Restrictions - policy service only for SASL users

2012-06-18 Thread Elaconta.com Webmaster
Hello I currently have the following configuration on the main.cf smtpd_sender_restrictions: smtpd_sender_restrictions = permit_mynetworks, reject_non_fqdn_sender, reject_unknown_sender_domain, reject_

Re: Postscreen logging level

2012-06-14 Thread Elaconta.com Webmaster
Wietse Venema wrote: Elaconta.com Webmaster: Hello I'm currently using Postscreen to reduce the number of botspams handled by our email server, and it's working good. Is there any way to reduce the postscreen logging level though? No, When someone reports a problem, the

Postscreen logging level

2012-06-14 Thread Elaconta.com Webmaster
Hello I'm currently using Postscreen to reduce the number of botspams handled by our email server, and it's working good. Is there any way to reduce the postscreen logging level though? I feel that the information it logs is great while debugging, but once the server is in prodution it make th

Re: Domain wide maildir quota

2012-06-04 Thread Elaconta.com Webmaster
Benny Pedersen escreveu: Den 2012-06-04 15:51, Elaconta.com Webmaster skrev: I'm using Courier-IMAP, not Dovecot. What do you mean by sources? :/ then make an perl policyd that checks imap protocol and reports back to policy protocol in postfix, no scripting is needed Okay, but how

Re: Domain wide maildir quota

2012-06-04 Thread Elaconta.com Webmaster
Benny Pedersen escreveu: Den 2012-06-04 15:23, Elaconta.com Webmaster skrev: I'm getting kind of desperate so i'm probably going to do something very hacky like running a routine every 10 minutes or so that does the following: desperate ?, but where is the sources ? :=) with d

Domain wide maildir quota

2012-06-04 Thread Elaconta.com Webmaster
Hello This has been a nut that i haven't been able to crack for a long time now and i was wondering how one would solve this problem. My setup is the following: a) Multiple domains hosted in a single box b) Postfix delivers emails to virtual mailboxes (so all the domains run under the same vi

Re: [OT] Hotmail change the mail policy yesterday????'

2012-06-01 Thread Elaconta.com Webmaster
Frank Bonnet escreveu: I experienced this last week ; I changed the server that send to hotmail, live etc using transport as the new server is not on the same subnet than the preceding it seems to work ;-) Le 31/05/2012 21:27, ml a écrit : Le jeudi 31 mai 2012 à 13:37 -0500, kazabe a éc

Re: Postfix ignoring relayhost parameter

2012-05-31 Thread Elaconta.com Webmaster
Noel Jones wrote: On 5/31/2012 8:43 AM, webmas...@elaconta.com wrote: I previously had hotmail.com assigned to a slow transport to only send one email to hotmail every five minutes in order not to tax Microsoft's poor email servers: hotmail.com slow: Now i'm wondering, is there any way