Questions tagged [postfix]

Free and open source mail transfer agent (MTA) that routes and delivers email. When asking about postfix problem, please include the relevant maillog lines and output of the following command: `postconf -n` (non-default content of main.cf) and `postconf -M` (content of master.cf)

33
votes
2answers
33k views

Understanding a Postfix log file entry

We have a Postfix hub and I'm trying to better understand the information in the mail.log file. I use tools like qshape, pflogsumm.pl and amavis-logwatch to summarize the log files, but I have still ...
27
votes
6answers
47k views

postfix - how do you redirect all emails to one user, eg *@example.com → user@example.com

I'm using postfix for my email. I know I can use /etc/aliases and newaliases command to redirect certain email, eg I can redirect root@example.com to user@example.com by putting root: user in my /etc/...
2
votes
5answers
3k views

Greylisting with Postfix - Is it possible to not greylist connections which are from the MX of the host?

I've recently set up an email server and I'm using greylisting as a way to tackle spam. The main drawback with greylisting is that it can delay your email. However I thought of a way to speed it up. ...
0
votes
1answer
134 views

Two same emails arrive in postfix

I changed an MTA in postfix from sendmail, but two same email contents arrive when the same address is included in To and Cc. There did not need to be such email contents, Please Help me!. with ...
9
votes
3answers
6k views

Installing postfix hangs at Postfix Configuration Screen?

I am trying to install postfix on a newly build Ubuntu 8.04 on a Dell R200. When I start the install process sudo apt-get install postfix I get stuck at the following screen The session becomes ...
3
votes
4answers
508 views

How are Postfix & Cyrus-IMAP effected when upgrading Fedora?

Historically, I've always upgraded my hardware and software together. In short, since I've always had new hardware I've always installed the latest distribution version from scratch. This time, ...
0
votes
3answers
8k views

How to log rejected messages in Postfix

Just gone live with a new Postfix mail server, sat in front of an Exchange box for inbound mail only. It's set up to reject email for unknown recipients, which works fine, but I want to get a log of ...
1
vote
2answers
5k views

postfix send double mail when mail is forwarded

postfix will forward two mail to user when i configure autoreply, sender_bcc and always_bcc. i have used postfix with dovecot and mysql for virtual user configuration. i dont found where is the ...
1
vote
3answers
723 views

Postfix can't read ~/.forward files

I have a highly customized home-directory structure which restricts access as follows: The server hosts a number of subdomains, which are grouped into seven "zones" Home directories are /home/zone/...
1
vote
1answer
492 views

how to migrate mail from argosoft to postfix/dovecot

Any ideas on what a migration strategy might be to sanely migrate mail away from the Argosoft mail server for windows? product site: http://www.argosoft.com/RootPages/MailServer/Default.aspx (note: ...
2
votes
2answers
3k views

I have configured a postfix mailserver on Linux with dovecot. Now problem is when I configure autoreply it reply two mail to sender

I have configured a postfix mailserver on Linux with dovecot. Now the problem is when I configure autoreply it replies with two mails to the sender. I have used vacation.pl, a Perl script of postfix ...
7
votes
6answers
5k views

Spam prevention tips for Postfix [duplicate]

Without using SpamAssasin, or similar, what are your best tips for preventing spam. Please try and provide config examples :D
1
vote
1answer
515 views

Postfix local delivery rewriting address so that it is not deliverable

I have a basic Ubuntu Server 9.04 install with Postfix freshly installed via apt-get. When I do a sendmail -bv vlewis@bunner.ath.cx where vlewis is a unix account. The delivery report I get says ...
0
votes
5answers
600 views

Any up to date tutorial on how to setup Postfix + Dovecot with virtual users on Debian? [closed]

Any up to date tutorial (for dummys) on how to setup Postfix + Dovecot with virtual users on Debian?
1
vote
4answers
5k views

CentOS/Dovecot/Postfix server doesn't allow external email clients to send email ANYMORE

I've been running a CentOS/Dovecot/Postfix box as an email server for a while with no complications. A few weeks ago users stopped being able to send emails through external clients. They can read an ...
3
votes
1answer
781 views

Optimal settings for Postfix and optimizing a custom delivery script on a VPS

So I have Postfix + saslauthd + Courier-IMAP deployed on a Linode 1080 VPS. We are a small company, we have around 30 accounts (I use physical *nix users for the sake of convenience + Maildirs, see ...
3
votes
3answers
11k views

How to fix mail server SSL?

Our mail server was originally set up using self-created certificates. However when those expired, and I tried to recreate them, the whole thing just blew up. Since I know it will be important, we are ...
0
votes
3answers
2k views

Run SpamAssassin on virtual_alias in Postfix

Ever since I started using Postfix virtual_alias_maps to forward all my email to gmail, I'm getting a ton more spam than when I delivered the mail locally and used SpamAssassin/spamd to filter it. I'...
2
votes
4answers
11k views

postfix: Host or domain name not found for name=comcast.net Type=A: Host found but no data record of requested type [closed]

I have set up an ISPConfig server to host email for several domains and I am having a problem with mail sent from this server not being delivered to some, but not all, valid domains. When mail is ...
0
votes
4answers
876 views

setting up a dedicated mail server

We have three dedicated servers: One is a Windows web hosting server One is a Redhat server, intended for mail One is a MySQL database server On the Windows web server, we do not have the SMTP ...
2
votes
2answers
6k views

postfix maildir with custom path

I need to have postfix store mail in a maildir in /var/mail/<DOMAIN>/<USER>. I've got mail_spool_directory = /var/mail and I'm preparing home_mailbox = but I don't know where to go ...
5
votes
3answers
2k views

Setting up a postfix email server

When I set up an email server using postfix on ubuntu server, how do I make sure that it won't be an open relay??
5
votes
3answers
857 views

Where can I find tuning resources for postfix, saslauthd and courier [closed]

I just deployed postfix, saslauthd, courier to a starter VPS box running Ubuntu 8.04 with with 512MB of memory. Most of the memory is now being eaten up by these processes. I do plan to upgrade to a ...
2
votes
2answers
3k views

Does postfix virtual domain accept wildcards?

Can I set up a virtual domain on one box so that a few specific email addresses get forwarded to gmail, and everything else (using a wildcard) goes to another system I control? For example, can I ...
7
votes
5answers
4k views

What is the best open-source email solution package

I need to set up a mail server on an Ubuntu Linux box. Instead of starting from scratch I'm looking for an all in one package, like a bundle that offers a complete but minimal and light weight ...
1
vote
2answers
4k views

How do I relay mails to another machine with Postfix?

How do I set up my colo box to relay email for my domain (xcski.com) to my home box? Both are currently running postfix, and currently the colo box receives email for a bunch of domains and my home ...
1
vote
3answers
2k views

Configuring Postfix to not use a daemon

I realize this is wildly offtopic but this is my last hope. I would like to only send mail from my computer, both locally and to remote servers, so I don't think I need postfix to run a daemon, but I ...