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

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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 ...
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1answer
652 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 ...
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15 views

Different routes for different TLD's in postfix

This might come as an odd request. Thank you for looking at it. I am setting up a series of postfix+dovecot+mysql mail servers internally. I am having trouble figuring out how to make them both ...
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1answer
81 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 ...
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43 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. ...
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1answer
410 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 ...
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164 views

Connection timing out when connecting to Milter service

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 ...
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42 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
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1answer
96 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 ...
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126 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 ...
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2answers
334 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?
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1answer
60 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 ...
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1answer
76 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
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1answer
376 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 ...
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1answer
118 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 ...
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151 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 ...
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90 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/. ...
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1answer
62 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 ...
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252 views

milter-reject: END-OF-MESSAGE

Few days ago I install DKIM Signing using on my CentOs 6 server. Yesterday All websites scripts unexpectedly stopped sending out mail. At /var/log/maillog I look: Aug 10 00:26:45 lcnoju8613 ...
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1answer
587 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 ...
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216 views

How to configure iRedMail on nginx?

I have configuration for iRedMail: server { listen 80; server_name mail.myserver.com; rewrite ^(.*) https://$server_name$request_uri? permanent; } server { # By default we ...
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153 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 ...
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30 views

Postfix not receiving mail w/ DBMail

I am using DBMail and Postfix together. It sends mail successfully and adds it to the "sent" mailbox-- but it won't receive mail, even mail sent to itself. My postconf: alias_database = ...
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128 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
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1answer
359 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 ...
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25 views

How to generate/obtain key for Gmail relay

I want to configure my server so that all emails are not meant for local users were relay through my Gmail account using Postfix. In all the examples I've found to do this you need a certificate to ...
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1answer
125 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 ...
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1answer
440 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 ...
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866 views

Postfix : Connect to smtp.gmail.com[173.194.70.108]:587: Connection timed out

I was setting up Postfix on (Ubuntu 12.10). This is my main.cf file content : smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) biff = no append_dot_mydomain = no readme_directory ...
8
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1answer
5k 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
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33 views

quote with postfix and courier

I'm not sure about a thing: I use postfix, courier and virtual users (so I've an unique group and user id to these virtual users) and system runs perfectly. Now I have to add quota to every email of ...
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2answers
200 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 ...
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135 views

Configuring postfix for virtual host using specific smtp (gmail)

i've configured using gmail as for my server for sending out email "globally" like the following tutorial http://mhawthorne.net/posts/postfix-configuring-gmail-as-relay.html But my server is hosting ...
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136 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 ...
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1answer
341 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 ...
1
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2answers
466 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 ...
0
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1answer
139 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 ...
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0answers
144 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
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1answer
220 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
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3answers
2k 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
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1answer
2k 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 ...
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1answer
257 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
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1answer
415 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
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1answer
503 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 ...
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200 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 ...
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1answer
1k 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
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1answer
57 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
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1answer
32 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 ...
0
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3answers
322 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 ...
0
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1answer
308 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 ...