Postfix is a free and open-source mail transfer agent (also "MTA"), written in 1997 and still actively developed.

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Force mail to be sent externally with sendmail

I'm trying to automatically send an email to a mailing-list. The machine running sendmail is example.org, which is a standard Ubuntu with Postfix. The recipient is foo@example.org which is a Google ...
0
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1answer
402 views

Problem with sender definition in squirrel mail over dovecot installed on ubuntu

I recently installed squirrelmail on an ubuntu server, with dovecot installed. It seems to work well, except when I send an e-mail, the receiving party sees the mail as coming from @example.com, i.e ...
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0answers
342 views

DKIM milter with Postfix doesn't sign additional headers passed to PHP mail() function

I use CentOS server with Postfix for mail sendind and my PHP application use mail(0 for mail sending. Some "FAQ" problem with this setup have been solved quickly using Google (e.g. passing "From" ...
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1answer
1k views

Sending email from laptop through Postfix

My laptop running ubuntu. I've just finished running: sudo apt-get install php-pear sudo pear install mail sudo pear install Net_SMTP sudo pear install Auth_SASL sudo pear install mail_mime sudo apt-...
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4answers
4k views

Port 25 blocked, change ubuntu mailout to open port

My ISP blocked my port 25 (comcast), so I can't send mailout (via postfix). Can I modify to send mail out on 587 or so? I'm having issues figuring it out correctly.
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2answers
43k views

how do I change postfix port from 25 to 587?

I am total noob about Unix and CLI. after googling for almost 6 hours I came to know I should be editing postfix port from 25 to 587 for PHP mail() function to work. and here is the solution I got ...
0
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1answer
712 views

How do I erase all tracks with postfix?

I was playing around with php and mail() on an OSX system and I ended up in a loop that generated a bunch of "junk" in my postfix system. I want to be a good, clean, neat computer user, so I am ...
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2answers
2k views

Postfix ports configuration

I'm using postfix to send emails. So, and correct me if I'm wrong, I'm using port 25 TCP inbound for entering emails, and port 25 TCP outbound for sending emails. Is it possible to alter the 25 ...
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1answer
401 views

how to install postfix as simple as possible?

I'm not even sure whether postfix is what I need. I need to be able to execute mail() function inside php scripts to test my sites. I don't need it to be secure or whatever. I'm the only person who ...
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1answer
1k views

Postfix configuration: how to manage locally sent email from cron jobs?

I set up Postfix on a Debian server serving from mydomain.com and configured it to send out emails from mydomain.com email addresses. Since switching to this configuration, my gmail started to be ...
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4answers
34k views

How to send email with attachment by postfix from command-line?

I've just setup a new Ubuntu 10.04 LTS server on linode for myself. Followed an excellent instruction at: here to finish the installation of some basic stuff including postfix. I am trying to figure ...
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2answers
2k views

How can I catch mail that my development server is generating so I can view it, but not send it?

When I was developing on a PC, I used a program called PostCast (http://www.postcastserver.com/) to act as my local SMTP server and catch any messages that my web applications generated. It then had a ...
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1answer
136 views

Dangerous sendmail behavior?

What's going on here?? sendmail cat/etc/passwd sendmail cat\etc\passwd sendmail xxxcat/etc/passwd Why in the world does this actually execute the cat command? This works at least on Fedora Core 4 O/...
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votes
4answers
2k views

What is the best MTA setup for a home/laptop computer (*not* server)?

What is a good MTA (e.g. Postfix or something else) setup for a home computer behind a NAT, or a laptop that is not always online? I've read a lot of Postfix tutorials on how to set it up this way or ...
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2answers
2k views

postfix on Mac OS X 10.6 Snow Leopard not working

Here's how it's going: host> echo "Hey my man" | mail -s "Testing" myaddress@gmail.com Then, in /var/log/mail.log: Sep 13 12:08:31 host postfix/pickup[738]: EB0535EF3F3: uid=501 from=<user&...
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1answer
1k views

automatic postfix [mailbox is almost full] warning

Two similar queries: Is there a add-on that will send automatic warning to user if he reached N% of his quota? Is there a webmail that shows his current consuption in MB and/or %?
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1answer
724 views

Ubuntu 10 server Postfix to relay on my ISP

I am still trying to get my local virtual box Ubuntu 10 server to work fine. This time I cant send email from my local machine - lets say, to test some contact form, etc... I want it to relay on my ...
2
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1answer
1k views

How do I configure the built-in Postfix on Mac OS X to not connect directly to destination hosts other than itself?

I run cron jobs on my Mac laptop, and so I want the mail daemon to be able to send the output mail to my regular mail account. I've got that working (my local account has a .forward file), but I'm ...
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3answers
1k views

Using supervisord to control the postfix MTA

I am trying to use supervisord to control postfix. The usual method is to specify a command which starts the daemon, I use postfix -c /etc/postfix start. The postfix man page says that to stop you ...
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1answer
1k views

Postfix on Snow Leopard unable to send MIME emails, including header contents in message body

I configured postfix on snow leopard by adding the following line to /etc/hostconfig: MAILSERVER=-YES- I then configured postfix to relay through my ISP's SMTP server. I added the following two ...
6
votes
2answers
966 views

Easiest way to send mail from Linux Server

I want my server to send me email alerts every time it does things such as run a backup. I have tried to setup programs like Sendmail, Postfix, etc on my Ubuntu Server box and it is really a pain for ...
2
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3answers
2k views

Terminal mail delivery delay in Mac OS X

I'm using mail from the Mac OS X terminal to send the results of a database query to me via email. Most of the time it works, but sometimes there is a long delay before the mail arrives (often when ...
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3answers
977 views

What harm can come from disabling postfix?

I have a netbook running opensuse 11.2 I'm trying to make it run faster by disabling services, and I would like to kill off postfix as I don't ever use it (As far as i actually know) What harm could ...
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9answers
37k views

Just want to send emails from my Ubuntu Server. What simple SMTP server solution to use? [closed]

Basically I have a Ubuntu Server machine and I would like an idiot-proof solution for sending emails from my website that is also running in this same machine. My doubts are: 1) Should I use postfix ...
5
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3answers
6k views

Benefits of running my own mail server versus switching to google apps [closed]

I've happily been running a mail server on my home network to handle my personal domain email for the last 6 years. The old PIII server that is my mail server is now on it's last legs and I'm ...