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

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458 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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1answer
138 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
567 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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0answers
896 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
votes
1answer
7k 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 ...
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2answers
261 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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1answer
174 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
435 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 ...
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2answers
647 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 ...
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1answer
178 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
155 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 ...
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1answer
262 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 ...
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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
3k 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
303 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
565 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 ...
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1answer
669 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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0answers
252 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
2k 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 ...
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1answer
63 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
33 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 ...
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3answers
359 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 ...
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1answer
419 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 ...
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2answers
253 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 ...
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2answers
2k 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 ...
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1answer
256 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 ...
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1answer
396 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 ...
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1answer
473 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 ...
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1answer
244 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 ...
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1answer
164 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
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0answers
258 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 ...
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0answers
461 views

Ubuntu Postfix Error: timeout exceeded (in reply to end of DATA command)

I have Ubuntu box behind the router (Asus RT-N13U), port 25 is forwarded to box from router via VirtualServer feature on router. The problem is that some clients (here host.ru) can't deliver mail to ...
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1answer
273 views

How to disable Postfix SPF from rejecting mail?

I am having an issue with Postfix and SPF that I can't seem to figure out. I have installed SPF for Postfix using the guide on this link (postfix-policyd-spf-perl). However, I don't want Postfix or ...
1
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1answer
570 views

stop emails originating from apache / php

I am running Ubuntu with Webmin / VirtualMin And I started getting this issue with thousands of emails coming from www-data which is Apache.. somehow from a virtual site. How can I disable this ...
0
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1answer
386 views

Postfix/Dovecot on Debian - Cannot connect account to Outlook

I recently installed/configured Postfix and Dovecot on my Debian Squeeze server. I can send mail using telnet so I know everything is working alright, but I cannot connect the account to Outlook. Is ...
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0answers
456 views

postfix + dovecot configuration on receiving mail

I am trying to configure postfix+dovecot with SASL authentication on a debian squeeze server. I can send mail from the roundcube application but I cannot receive mail at all. tail /var/log/mail.err ...
0
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1answer
75 views

MySQL will no longer run after installation of Postfix/Dovecot/etc. with Palegray's Automate

I recently downloaded and installed this software on my VPS: http://www.palegray.net/projects/automate/pdm/debian-6 It's a package for easy installation of postfix, dovecot, and MySQL mail server. ...
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1answer
2k views

CentOS 6 - Inodes full - can't delete folder containing files

I have a CentOS 6 server at rackspace with 40GB of space. My server kept crashing with 'no space left on device' errors but there is over 50% free. When I run df-i this is the output: /dev/xvda1 ...
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1answer
180 views

Sent mail getting blocked by spam filters

I have just setup a VPS with CentOS and Webmin. I am attempting to setup my email server. I can successfully send mail, however it always gets blocked by spam filters. What steps are needed to make ...
3
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2answers
1k views

Postfix TLS configuration

I am in the middle of setting up a postfix server on Arch Linux. It seems to be working ok so far - I can successfully speak to it via telnet localhost 25. However, when I try to connect using ...
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0answers
175 views

postfix mail queue - get bottleneck - Debian squeeze

I have a problem with Postfix 2.7.1, Debian Squeeze: send and receive mail with no problem working locally, send e-mail outside work without a problem, the problem is when someone sends a large ...
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vote
1answer
2k views

Connection refused from remote computers on port 25 with postfix

I have a postfix / dovecot mail server setup using TLS. The IMAP / POP side of the server works perfectly, but I cannot connect to it for SMTP. Even telnetting it from a remote computer I get ...
0
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1answer
252 views

postfix sends mail from wrong domain / Python 3 code for sending utf8 mail

I have a machine with two domain names, say a.com and b.com. When I use postfix to send something from an address like foo@a.com, it replaces it with foo@b.com every time. My main.cf file specifies ...
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1answer
970 views

use postfix with ssl certificate that has a password

i have gone through a couple of tutorials on how to set up postfix on ubuntu with support for my ssl certificate: https://help.ubuntu.com/community/Postfix ...
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1answer
891 views

How to make Postfix not retry delivery of failed emails? [closed]

I don't want postfix to retry failed emails. How can I configure it not to do so?
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0answers
431 views

“Recipient address rejected” when sending an email with sendgrid

In postfix, I'm using relay_host to send an email to an external address using sendgrid, but I get an error about local ricipient table when sending an email from my PHP code. This is my main.cf in ...
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2answers
2k views

PHP mail() function not working in Mac OS X

I know this question has been asked many times and people use to give many solutions. I have followed almost all the possibilities which I come across after investigating on it. but nothing worked ...
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2answers
629 views

Cannot check email with email client, but telnet to 110 works

I installed postfix and dovecot on Ubuntu 10.04 using pdm-ubuntu-10-04-x86-v1.4.3. It set up a MySQL database for my domain and user data. I used it's ./manage to create a user. When I created an ...
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2answers
231 views

Forward any mail sent to any of my domains on my server to my single gmail email

I've got an ubuntu server and a bunch of domains on it e.g.: domain1.com domain2.com domain3.com And I want to be able to forward any emails sent to any of those domains to my single gmail email. ...
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1answer
191 views

postfix: block mails to a specific and non existent mail address

How could I block mail to an incoming address that spammers are hammering via postfix? I have a webmin interface to postfix, so if this can be done via webmin interface that would be great.