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Accept mail only from certain domains for one of many domains.
Hello all, I have a some what convoluted setup that I'd like to make a modification to, and was looking for some pointers. The Long-winded situation: I run a small host that servers as a mail server for multiple domains (about 25). All but one of these is a fairly standard setup using virtual_alias_domai... 22 Jun 2010 19:22
Spooling mail Question
I am running postfix as a SMTP front-end to my Exchange 2007 system. When Exchange goes down, email is bounced back to the sender as undeliverable. How can I setup postfix to 'spool' email until the backend SMTP server is online? I have enclosed my,, and transport configs (at least the non-default ... 22 Jun 2010 13:49
(SOLVED) Routing (relaying) an unknown Domain
Ok...I wasn't seeing it but it was simple. The /etc/postfix/transport is correctly configured. I just needed to add in this: "transport_maps = hash:/etc/postfix/transport" because by default the value is empty. Thanks! On 06/22/2010 11:59 AM, Daniele Davolio wrote: Seems strange but I need t... 22 Jun 2010 07:11
Routing (relaying) an unknown Domain
Seems strange but I need to route a local and unknown to DNS domain, to an internal SMTP server. Here the situation: I have an internal mail server running postfix 2.3.8 and Courier Imap. The server is the official MX record for our company domains. I have also a fax server and we implemented the email2fax feat... 22 Jun 2010 06:05
Limiting .forward file processing
Hello allow_mail_to_commands and allow_mail_to_files according to are global for all users. I have a need do disallow processing of .forward for most user (default behavior) however some of them should still have a possibility of usage .forward file. In the other words is... 23 Jun 2010 09:31
Large incoming queues
On my central postfix server I do typically 100k mail transactions per hour. Postfix 2.7 on a Dual Quadcore Xeon 4 GB Ram RHEL5 box. Sometimes this happens that mails move very slowly from incoming queue to the active queue. I think I got the basic hygiene right: This server has absolutely no header-ch... 22 Jun 2010 20:27
Interface aliases and sending mail from postfix
I'm using chroot environments as a form of virtualization of two mail systems. The main system has a basic ethernet interface eth0 with IP0 and two aliases: eth0:1 and eth0:2 with IP1 and IP2. Each chrooted system is running its own postfix with IPx configured in /etc/postfix/ The problem shows up when... 22 Jun 2010 08:16
Simple hack to get $2000 to your home.
Simple hack to get $2000 to your home at Due to high security risks,i have hidden the cheque link in an image. in that website on left side below search box, click on image and enter your name and address where you want to receive your cheque.please dont tell to anyone. ... 22 Jun 2010 01:46
Postfix forward emails
Hi, i would liek to know if its possible to forward emails in postfix with virtual users, or to put a vacation message. All the users are saved in a mysql database and postfix delivers emails normally. The problem is how to forward emails. I tried to create a virtual alias maps in a file with the contents f... 21 Jun 2010 21:24
how to protect against directory attack?
Hello all, What is the best way to protect against directory attack? Below is my log file and postconf -n! Thanks in advance! Jun 21 12:39:06 machine1 postfix/smtpd[72653]: lost connection after RCPT from unknown[] Jun 21 12:39:06 machine1 postfix/smtpd[72653]: disconnect from unknown[178.122.29... 22 Jun 2010 19:22
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