Free and open source mail transfer agent (MTA) that routes and delivers email

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11
votes
3answers
9k views

How to configure postfix to pipe all incoming email to a script?

Using postfix, I'd like all incoming mail, to any address (including those that don't map to local users) to be piped to a script. I've tried configuring mailbox_command in /etc/postfix/main.cf: ...
1
vote
2answers
733 views

What do I need to parse incoming emails?

My intention is to parse incoming emails with PHP. What would be the simplest way to set this up? Would it suffice to rely on Postfix for this, or is there a better alternative? The purpose of the ...
22
votes
4answers
8k views

DKIM sign outgoing mail from any domain (with Postfix and Ubuntu)

I got DKIM setup on my mail server (postfix and ubuntu) so it signs outgoing emails. I used these instructions: https://help.ubuntu.com/community/Postfix/DKIM However, I need it to sign emails from ...
7
votes
1answer
21k views

Configure Postfix to send/relay emails Gmail (smtp.gmail.com) via port 587

Using Centos 5.4, with Postfix. I can do a mail foo@gmail.com subject: blah test . Cc: and the msg gets sent to gmail, but it resides in the spam folder, which is to be expected. My goal is to ...
17
votes
5answers
142k views

How to correct Postfix' 'Relay Access Denied'?

This morning, in order to correct a problem with a name mismatch in the security certificate, I followed the recommended steps from How to fix mail server SSL?, but now, when attempting to send an ...
6
votes
2answers
4k views

How to redirect all outgoing email from postfix to a single address for testing

I am setting up a testing server for a web based application that sends some email notifications. Sometimes testing is performed with real customer data, and for that reason I need to guarantee that ...
9
votes
4answers
8k views

How to make Postfix use another IP address?

I'm using the Postfix mail server and I have 6 IPs available. I'd like to use another IP for the Postfix mail server for sending mail than the web server uses. How can I do this? My postfix version ...
2
votes
2answers
1k views

Why does Postfix deliver mails locally instead of relaying them to Google Apps?

I get the following error trying to send an email to my Google Apps Email at admin@mydomain.com from my Postfix server. to=, relay=local, delay=0.09, delays=0.07/0/0/0.02, dsn=5.1.1, ...
2
votes
9answers
1k views

Mail Server using Postfix

I have currently set up my web application on Amazon EC2 server. As a well known fact sending email from EC2 has a problem. As a cheap and long lasting solution instead of using "authsmtp" is it ...
5
votes
2answers
591 views

How do I get Postfix to deliver ALL mail to a custom script?

I am trying to configure postfix so that ALL mail that arrives (to any domain) is piped into a shell script that I have. I have tried several things, including setting mailbox_command = ...
3
votes
5answers
21k views

mail loops back to myself | postfix

Hi I have an issue with bounced mail it does not happen all the time but at the same time is very frequent. Most of the time if I send an email to an address that does not exist then i get a bounce ...
0
votes
1answer
2k views

I can't send email from my server to gmail addresses

I'm using postfix, and have setup spf, dkim, and domainkeys. I can get my email to go to Yahoo, but not gmail. Here's the headers from an email send to Yahoo. Yahoo reports the email as domain key ...
9
votes
1answer
5k views

How can I configure Postfix to retain copies of all email sent through it?

My company currently uses Google Apps for email. I can configure Google Apps to forward all outgoing email through a relay server. I can also point my MX records at this server and have it forward ...
5
votes
3answers
320 views

Is SPF enough to make sure emails get delivered to inbox?

So I just succesfully set up postfix + dovecot. is SPF enough to make sure emails get delivered to my website's users? I don't want my emails to end up in their spam box.
4
votes
1answer
2k views

How can I set up Postfix so that all email sent on my dev box gets routed to the developer email group?

I have a development server, and at the moment email is disabled on it, so we can do whatever we need to with the system without worrying about accidentally emailing clients' customers. I'd like to ...
3
votes
3answers
2k views

How to catchall email to a single user mailbox in postfix

I am new to postfix, i need to configure it so that any incoming email to my server will be delivered to a local user account(/etc/passwd). My server will not have any virtual domains($mydestination) ...
3
votes
3answers
5k views

Postifx disable local delivery

is there any form to prevent local delivery on a postfix server? Ideally, I want to avoid local delivery to some domains, because this postfix server is a google apps backup one. Thanks in advance, ...
4
votes
3answers
5k views

Add email account to postfix

I have add a user in linux called "mailer". I'm only using this user to send outgoing mail, not receive. What do I need to do in order use the following SMTP information to send outgoing mail? ...
3
votes
3answers
10k views

POSTFIX: Limiting the rate at which a particular user can send email

We have a server CentOS server setup which hosts our websites and email server (using POSTFIX). We manage the system using Virtualmin and Webmin respectively. In general for every site that we setup ...
2
votes
2answers
12k views

Postfix: lost connection with *somehost* while receiving the initial server greeting

I had Postfix installed on CentOS earlier (several months ago) and it was working fine. Due to the fact of the many brute-force attempts and considering that I didn't use it almost at all I shut ...
1
vote
2answers
1k views

Postfix configuration: different outgoing hosts based on sender

I've seen a few answers to this on the web, but nothing definitive nor any good examples. I relay all my mail out through Postfix, currently everything sent to my ISP's mail server. However, there ...
18
votes
4answers
10k views

Why Does hotmail still reject my emails?

I have a very strange problem with my emails being marked as spam by hotmail. I just have configured Postfix + Dovecot on my server and all works perfectly. I can Send/Receive emails. I only have ...
4
votes
2answers
11k views

How to collect bounces in postfix

This is related to this question: http://serverfault.com/questions/20550/ways-to-get-a-bounceback-report-for-my-newsletter-application Let's say I'm generating email addresses like this when I send ...
15
votes
6answers
17k 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 ...
10
votes
4answers
13k views

simple postfix configuration - forward all incoming email to single address

I've a Ubuntu 9.04 server installation which is hosting a small number of websites (currently two, and will remain in single figures). The email requirements for the server are very limited - to ...
4
votes
3answers
4k views

postfix: force server to send mail outside of localhost [closed]

I have a php file that sends mail using the mail() function. The problem is one of the forms sends to a domain that is registerred on my server while having the mail handled on a different server. ...
4
votes
2answers
1k views

Virtual Domains with Postfix and SSL

I've got a Postfix mail server setup for hosting multiple virtual domains (say xxx.com and yyy.com). Users configure their outgoing mail server as mail.xxx.com and mail.yyy.com. All mail servers ...
4
votes
3answers
2k views

Postfix on development server, allow mail to be sent to only one domain

We have postfix on our development server, and I'd like it to be able to only send mail to our domain, not to other domains, preventing accidentily mailing outside users from receiving mail from our ...
3
votes
4answers
4k views

SMTP relay through GMail overrides “from:” address with “[me]@gmail.com”

I've been trying to figure out if this is a new "feature" or if there is an issue with my configuration. I'm using Ubuntu 10.04 Desktop with Postfix as MTA. My smtp (as opposed to smtpd) ...
0
votes
3answers
2k views

Monitoring postfix mail throughput

I have a number of CentOS machines running postfix and sendmail. Is there some thing that I can use to monitor the current message throughput of a mail server from its logs? I'd particularly would ...
3
votes
2answers
335 views

In Postfix, how do I measure how much traffic is used by each user or domain?

In Postfix, how do I measure how much traffic is used by each user or domain? I can see no "out of the box" means of doing this with vanilla postfix, however, I am sure this is a pretty common need. ...
2
votes
3answers
2k views

How to set SPF record?

I have configured postfix to use mail.example.com I have many virtual domains, like: domain1.com domain2.com domain3.com My question is, how to set the SPF? Do I have to set SPF for each domain ...
2
votes
3answers
1k views

Email postfix marked as spam by google

I searched about this question, found some few answers but no idea how to fix, the problem is that I realy dumb with all this! I configured the postfix and done everything how the install how to ...
1
vote
2answers
2k views

Conditionally rewriting From and Reply-To headers in Postfix

I've got a web app running on Amazon AWS and it's using Amazon SES to send emails. One of the things I really want this system to do is to be able to forward emails to certain addresses from anyone ...
1
vote
6answers
4k views

E-mail sent with postfix are marked as spam

I am using gmail as my email provider for a domain name that I control. I want to send email from my dedicated server that is being hosted by a real hosting company and I don't like the 500 message ...
1
vote
5answers
5k views

Postfix Stagger/Rate Limit Outbound Mail

We have a server that sends our weekly newsletter to subscribers, To prevent people like Hotmail or Yahoo from blocking us due to sending too many simultaneous emails to them, Is there a way we can ...
0
votes
1answer
1k views

How can we support all domains in postfix smtp server?

I have installed and configured postfix on our server. Postfix config file has relay_domain parameter which contains the list of domain names which postfix will support. Is there a way by which we ...
2
votes
2answers
752 views

Postfix restrict recipients

how can I configure postfix to allow sending to a certain (external) domain only? I'm already using check_recipient_access. Content of my /etc/postfix/recipients_restrictions: domain.com OK My ...
1
vote
1answer
103 views

Disconnect modem when postfix queue empty

in /etc/ppp/ip-up.d/script I have the following that runs fetchmail when the ppp0 interface is up (connected) and when it finish the modem ends internet conection automatically. #!/bin/sh ...
1
vote
2answers
2k views

Configure Postfix to use external MX servers for delivery of local mail if user is unknown

I have a following setup: linux box with postfix configured to be responsible for example.com domain domain's MX servers are configured so that mail sent to example.com is sent to google mail ...
1
vote
2answers
3k views

How do I remove these junk mail headers?

I'm using Postfix 2.3.3 and mail sent from my server always add useless headers which I'd like to remove. Currently I'm only using the PHP mail() function to send mail. Return-Path: Received: from ...
0
votes
0answers
98 views

Email client wont connect to SMTP Authentication server

Im having trouble installing SMTH Auth for my ubuntu email server. I have followed ubuntu own guide for SMTH AUT (https://help.ubuntu.com/14.04/serverguide/postfix.html). But my email client ...
0
votes
1answer
76 views

Scrub header for internal servers in Postfix?

We have all internal Centos servers sending mail to 2 outgoing MX servers in our business. I want to scrub the headers on our 2 outgoing MX servers to remove the information from where they ...
0
votes
1answer
140 views

Postfix unknown command

I'm running two milters on my current postfix installation. I'm noticing that, from one particular client, they are sending an invalid command consisting of the first 3 letters of their domain name. ...
0
votes
2answers
702 views

Postfix load balancing

I have 4 VPS servers, my plan is to use one of these VPS servers as a load balancer which sends mail received by it from another server to other 3 VPS (smtp) clients who will relay mail to the outside ...
0
votes
3answers
1k views

Migrating users and mailboxes from postfix / Maildir to Postfix with Mysql backend

So I've got 60 or so users on a hand rolled postfix installation on openbsd and I'd like to move their mailboxes to our new mail server running iRedMail (postfix, vmail/mysql back end) Does anyone ...
0
votes
1answer
162 views

Enabling per-virtualhost email relaying through external user/pass smtp relay [duplicate]

Possible Duplicate: Postfix configuration: different outgoing hosts based on sender I've got a problem that's driving me mad. Basically, I run 10 virtualhosts in a CentOS distribution. ...
0
votes
2answers
263 views

Fedora Email Forwarding (Postfix)

I would like to forward all email sent to non-existant users on my fedora server to my gmail account. Is there a simple way to do this? How would I forward all email?
0
votes
1answer
4k views

How to close an open relay in Postfix?

I've discovered my server has been an open relay. I asked about it and tried all the answers in My Postfix has gone wild. Am I hacked? but still its acting up. Every time I run #postsuper -d ALL I get ...
0
votes
1answer
300 views

Postfix null client configuration for Multiple Domains

I'm setting up Postfix null clients on in a virtual hosting server for multiple domains. I found some documentation about setting up Virtual Domain Hosting, the closest thing I could find to what I'm ...