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

learn more… | top users | synonyms

1
vote
0answers
530 views

mozilla thunderbird can receive emails but cannot send (imap/postfix)

i run a dovecot imap server on an ubuntu 8.04 machine (old, i know, but there's no chance of an upgrade any time soon). anyway, all was working smoothly until i rebooted the server the other day and ...
0
votes
1answer
878 views

Mail server configuration on Ubuntu 12.04

This is kind of a basic question and it might sound stupid but I am new to this whole mail server thing and I am trying to learn how to setup one. I have a VPS server which runs Ubuntu 12.04 ...
0
votes
1answer
336 views

Postfix error logs with random emails on my domain

I was trying to figure out why my MySQL service keeps crashing, and a quick look at the logs shows hundreds of postfix errors like this: postfix/smtpd[59256]: NOQUEUE: reject: RCPT from ...
2
votes
0answers
111 views

Can I reconfigure postgrey to keep mail instead of rejecting it?

I have postgrey on my mailserver and it works really well. I actually suspect it works a little too well in that there are quite a lot of faulty mailservers out there that don't bother retrying. ...
0
votes
1answer
1k views

post fix to send and receive mail to gmail using free domain and private ip

I would like to configure mail server to send and receive mail from all domain such as gmail and yahoo using postfix in my laptop. Should I have a paid public static ip address for this purpose? or ...
6
votes
0answers
832 views

Connection timing out when connecting to Milter service [closed]

I'm using a VPS with CentOS 5, containing Postfix and OpenDKIM. I have set up OpenDKIM using this guide. Everything seems to work properly as the log in /var/log/maillog does not report anything other ...
0
votes
0answers
65 views

Can't run postfix on Mountain Lion due to missing system_user_maps.db

When I start postfix, I see in /var/log/system.log the following error: error: open database /etc/postfix/system_user_maps.db: No such file or directory How should this file be created so that ...
2
votes
1answer
159 views

Arch Linux ARM: Send email after successful ftp transfer

I have a script running on my box that checks every 5 minutes to see if a certain time type was uploaded to a folder on my Ftp server. I would like for it to send an email when the transfer is ...
0
votes
0answers
311 views

postfix on Linux won't restart after kill postfix-process

Briefly: I had a problem with postfix. That is why I killed the process. Problem now is that I can not start it again. How can I solve this? And what additional information do you need? Output from ...
1
vote
2answers
2k views

Do I need postfix for /var/mail/root to work?

I want crontab to log errors. As far as I know, this is being logged to /var/mail/root, but it doesn't seem to be working. Do I need to install postfix for this to work?
0
votes
2answers
103 views

Why use googlemail smtp server instead of your server?

I ran into this post: Getting Postfix to work on Ubuntu with Gmail which describes how to use gmail as relayhost for postfix. And I'm wondering what would be the benefits of doing so? I have some ...
2
votes
1answer
195 views

Forwarding with postfix: prevent rewriting of from address

When I send a mail via php mail then postfix rewrites the from address like this. For example: From: info@mydomain The from becomes: username@myhosthame How can I stop this from happening? I want ...
0
votes
1answer
1k views

fetchmail/postfix - bounce message if it is too big

I have an Ubuntu mail server that retrieves mails from ISP by fetchmail and delivers it through amavis and postfix. Postfix has a size limit of about 20MB. Mails larger than this are removed from ...
0
votes
1answer
208 views

Postfix Autorespond - “recipient address rejected”

I have an issue with postfix. If I set up an autorepsonder (I use a postgresql db, so I insert mailbox#mydomain@autoreply.mydomain.net into alias table; of course this domain is listed into postfix's ...
1
vote
0answers
285 views

Configure Ubuntu Server VPS to send mail without going to spam

I have installed and configured Postfix on a VPS. I have managed to get it so I can send and receive mail. However every time I send mail from It, it get's marked as spam and was wondering how I ...
1
vote
0answers
142 views

OpenDKIM Signing return fail when spaces in mail

Few days ago I install OpenDKIM Signing using on my CentOs 6 server by manual - http://stevejenkins.com/blog/2011/08/installing-opendkim-rpm-via-yum-with-postfix-or-sendmail-for-rhel-centos-fedora/. ...
0
votes
1answer
115 views

Multiple config file postfix

Our mail server was configured using this tutorial: Pixelinx - Creating a Mail Server on Ubuntu (Postfix, Courier, SSL/TLS, SpamAssassin, ClamAV, Amavis) Now it can receive/send email using his ...
0
votes
1answer
4k views

How to configure Postfix so that I can authenticate via SMTP to localhost

I have a Postfix MTA configured to which I can perfectly log in from remote via SMTP (Thunderbird, Python, etc.) but when trying to use the same script with the same credentials while locally on the ...
0
votes
0answers
334 views

Why does postfix take so long time to receive emails from gmail?

How can I manually check for an email from the command line? How can I force postfix to receive/update emails? The email from gmail takes 8 minutes till it will be received by postfix. How can I ...
0
votes
0answers
302 views

Step by Step to install postfix using putty

I have problem with my php mail(). I have check smtp server is enabled. php.ini is as follows: [mail function] ; For Unix only. You may supply arguments as well (default: "sendmail -t -i"). ...
0
votes
1answer
950 views

DNS domain name not found sending email to postfix

I'm in the process of setting up a postfix server on an EC2 instance to send / receive email. I'm running into a series of problems, which I believe are mostly caused by incorrect DNS records. I ...
0
votes
1answer
198 views

Postfix will not send/receive mail

I recently installed postfix, among other programs, and have been configuring it. POP3 and IMAP are working just fine, but postfix seems to fail: # telnet localhost 25 Trying ::1... Trying ...
0
votes
1answer
1k views

maildrop/postfix with multiple mydestination locations and virtual users

My mail server hosts email for two different domains which it responds to as physical domains and also handles several virtual emails. Yes, this is insane, but postfix lets me do this. Recently, I ...
15
votes
1answer
14k views

The simplest way to set up a secure, IMAP, email server? [closed]

I would like to get rid of Google as an email provider, and set up a complete email solution on my dedicated server. The issue: I wish the setup to be as simple as possible, so that it wouldn’t be a ...
0
votes
2answers
604 views

All outgoing mail in VM should stay local

I have setup an Ubuntu 12.04 VM, which I use to test and develop magento shops. On this desktop VM I have an almost exact copy of the shop running. I prefer to use a desktop VM as this gives me the ...
1
vote
1answer
463 views

Postfix: which process is attempting to send to example.com?

Here is the maillog extract: May 15 10:20:41 nucleus postfix/smtp[4754]: connect to example.com[192.0.43.10]:25: Connection timed out May 15 10:20:41 nucleus postfix/smtp[4755]: connect to ...
0
votes
1answer
1k views

Sending email through postfix using Python or Telnet

I managed to configure a local postfix server, which works correctly when using the mail command (and I receive emails from the cron deamon), however, if I try to connect using telnet localhost 25 ...
4
votes
3answers
2k views

Postfix: unlimited per-user addresses via “+” sign

Gmail users can get virtually unlimited email addresses by using $name+$suffix@gmail.com ("plus addressing"). I'd like to have that for my own mail server, which is running Postfix. The mailbox and ...
1
vote
2answers
375 views

How do I enable DKIM for bounce messages in Postfix

I have set up a linux email server with Postfix and have correctly set up SPF and DKIM. When I send an email, the email is signed properly, and when I view the source from the receiving client (such ...
1
vote
0answers
184 views

Postfix configuration issue?

I don't know if it is the right place to answer this question (please tell me I will remove it). I have an error message when using telnet to send an email to ab account I have specified in my postfix ...
1
vote
1answer
736 views

Can I temporarily pause/queue Postfix SMTP sending to a specific domain?

I'd like to temporarily queue all mail to a particular domain, but allow all others to send right away. For example, if a user on mydomain.com sends an email to recipient-domain.com, I'd like to wait ...
0
votes
3answers
6k views

my mail server is rejecting gmail

i try to send a message from my gmail account to one of the addresses hosted by my mail server and get the following message: Delivery to the following recipient failed permanently: ...
0
votes
1answer
8k views

Example of fail2ban configuration to ban servers spamming my postfix server?

I have a small mail server at home and quite a restrictive filtering rules. I use logwatch and could see that 80 to 90% connections are rejected by my restrictive filtering rules. Most rejection ...
-1
votes
1answer
523 views

postfix send mail through another smtp server? [closed]

im running debian squeeze virtualmin/webmin vps with postfix in australia my main email account is through a company in america i want to be able to send email to my aus vps smtp server, and then ...
0
votes
1answer
1k views

Disable incoming emails for a specific virtual user

I've just setup a mail server with mysql virtual users. I want to use an account for sending notifications/registrations emails from my website I found no options for disabling incoming emails, so my ...
0
votes
1answer
2k views

How to disable postfix/mail/mailqueue on my server?

I'm running a debian squeeze server. I've been having problems with certain websites sending spam, so I've disabled postfix completely (/etc/init.d/postfix stop). However, the sites trying to send ...
0
votes
0answers
735 views

Rotate Outgoing Ip in Postfix, script not working

I've found what it seems to be a nice piece of code meant to rotate postfix IP but I really can't get it to work. when I run it I get this error: rotate_postfix_ip.sh: 2: Syntax error: "(" unexpected ...
1
vote
1answer
4k views

How to configure Postfix mail on Red Hat Linux?

I am trying to configure Postfix on Red Hat Linux to send email with the following command: mail -s "test" user15@dba.gui.com I have followed all the steps mentioned in this tutorial and have ...
0
votes
1answer
81 views

Strip text off received messages in postfix

On one of my systems I run a secondary mail server which gets all mail from a primary server. However the primary server has an annoying tendency of attaching text to the end of the mails when ...
1
vote
1answer
39 views

Need secure solution to get the size of a directory with PHP

I have a vmail directory manage by postfix with the permissions set like this: user: vmail group: vmail permission 700 I need to get the size of that directory with PHP. To do this, I'm using ...
1
vote
3answers
621 views

My postfix email server can send email using forge domain name via outlook

I setup a Postfix mail server in our office and we are using MS-outlook for mail-client. I can finally send and receive email via outlook.. but my problem now is that i can send email using ...
1
vote
1answer
1k views

Postfix: How to reject emails to anyone not listed in the virtual alias list?

I've set up a Postfix SMTP server on my Debian server and configured it to forward emails to my main email address using the virtual_alias_maps option. Sending and receiving emails works fine and ...
1
vote
2answers
320 views

How can I get administrative email delivered to a Gmail account?

For years and years, I've been running my own email server on my home network. Thanks to getting a Nexus 4, I've finally switched everything over to Google, and decommissioned my email server. Now I'm ...
0
votes
2answers
3k views

Postfix SSL + Dovecot IMAPS (SSL) + RoundCube

A couple of weeks ago, I configured my webserver to be able to send emails (e.g. registration emails for my website etc.) I used exim4 in Debian, which worked flawlessly. Now, the need has arisen to ...
1
vote
1answer
364 views

Domain email, GMail, Postfix

So, after a long trek around the blog-o-tubes, I arrive here. I'm trying to set up email for my domain. I don't really want to do my own email hosting with my own mailserver, especially since my ...
1
vote
1answer
671 views

ispconfig3 mailserver

I have been installing ispconfig3 on ubuntu 12.04 what usually configures the mail server as well postfix/dovecot. Creating mailboxes and testing theme no email is going to be droped. My syslog has ...
1
vote
1answer
838 views

How to disable Postfix/Dovecot logging on Ubuntu?

I am using Ubuntu 10.04 and I am trying to disable logging for both Postfix and Dovecot. Does anyone know how to do this? I have found references stating that there is a setting in /etc/syslog.conf ...
2
votes
1answer
451 views

Troubleshooting my home mail server setup

I've got some small domain names that I host on my home server and would like to get some basic email addresses for those domains. I set up an Ubuntu 12.04 server and followed the instructions here ...
0
votes
1answer
183 views

Ubuntu: trouble setting up Mail Server

I was follwing the Guid @ http://www.howtoforge.com/virtual-users-and-domains-with-postfix-courier-mysql-and-squirrelmail-ubuntu-12.10. But I ran into some issues. the first issue was: (mail.log) ...
2
votes
0answers
500 views

Remove root@localhost from e-mail's headers

I am trying to install an e-mail server in my CentOS server. I have installed and configured postfix and bind, but when I send e-mails I still get "root@localhost" and 127.0.0.1 in my e-mail's ...