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

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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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73 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 ...
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36 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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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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588 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
282 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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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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282 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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480 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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561 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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296 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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172 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) ...
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302 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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1answer
769 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
316 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 ...
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686 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 ...
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468 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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533 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 ...
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76 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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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
211 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 ...
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2k 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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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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1answer
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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 ...
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301 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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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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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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482 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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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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835 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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268 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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231 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.
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488 views

Ubuntu Postfix email account with forward

I have an Ubuntu 12.04 server with Postfix installed. In Postfix installation I used this guide https://help.ubuntu.com/community/Postfix. I didn't go through all of that, just the sudo ...
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read localhost e-mail with thunderbird

What would be simplest IMAP server allow Thunderbird to read messages to user@localhost for Ubuntu Linux? My assumption was that if mailutils could read mail with the "mail" command then IMAP or POP ...
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478 views

Postfix: change sender address of bounce (mails from fetchmail)

I am running a Postfix MTA. Fetchmail is used to get mails from several POP3 accounts. The problem is: If a mail cannot be delivered, e.g. because it exceeds the size limit of the mailbox, a bounce ...
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521 views

Transfer mail from local machine to Gmail

I'm trying to use Gmail to manage a MS Exchange email that I log into with Outlook Web Access. The Exchange email has IMAP and SMTP access but not POP3 access so I can't use Gmail's "check mail from ...
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269 views

Dovecot/Postfix-mysql e-mail Aliases are not correctly forwarded

I recently set up Dovecot/postfix-mysql on my Debian Squeeze Server and I have a bit of a problem. When ever I send a email to an alias (foobar@mydomain.com forwarded to foobar@gmail.com for example) ...
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In Ubuntu 12.04, how do you tell saslauthd to use getpwent instead of PAM?

I have a fresh install, upgrading from ancient Ubuntu 8.x, and I just can't figure out where this setting is supposed to be in Ubuntu 12.04. Please help! Thanks
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only root can send out mail by postfix

I have postfix installed and running. The problem is only root can send email. other users failed to do. Here is the log for user www-data which is a web server application. (the same error for other ...
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In postfix, how could I disable incoming mail?

I would like to be able to send mail to remote servers, from scripts running on my VPS via SMTP, but otherwise reject all incoming mail with postfix on Debian squeeze. (And in general disable any ...
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1answer
4k views

DKIM Signature Failing - DNS record lookup is incorrect

I am running Ubuntu 12.04 on a Linode with Postfix and opendkim. My DKIM signature is validating/passing when I test at http://www.brandonchecketts.com/emailtest.php but it is failing when I test ...
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Make courier automatically create a maildir

I'm currently setting up an email server using postfix and courier. postfix is configured to check the email accounts into a MySQL database. For example when I send an email to ...
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3answers
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Unable to receive emails using Postfix

I've set up Postfix on a VPS running Centos 6, and I can access webmail using Squirrel Mail fine. But when I send or receive emails from my Gmail and other personal account I don't receive them on the ...
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1answer
2k views

Unable to send email using Postfix - Connection Refused

I've set up Postfix on my server along with Squirrel Mail. However, every time I go to send an email to my Gmail account from the server the email never arrives. I get no bounce back emails, I get no ...
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2answers
2k views

Postfix mail storage files

I have server disks from a Linux system. Linux has crashed. I would like to know how to check where the mails are stored in the system (probably postfix). I can only view files in Windows - the Linux ...
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449 views

How to forward email for an entire domain to an email address using SRS (Sender Rewriting Scheme)

I have a domain for which I want to forward all email destined for addresses at that domain to a single email address. For example, I want to forward john@example.com and fred@exapmle.com and ...
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Debian / Monit: mail is only sent to local system, not to outside address

I have a Debian server and have monit installed and running. I use the following settings for alert mails: set mailserver localhost # primary mailserver set mail-format { from: monit@abc.test } set ...
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1answer
1k views

Do I have to care about hosts.allow or hosts.deny when I can't reach postfix?

I am using postfix for outgoing mails (collection from machines on 192.168.1.0/24 and forwarding to my ISP's mail machine) and I have trouble accessing postfix for sending mails. The machine I use for ...
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612 views

Postfix/Sendmail not working with sudo

If I understand correctly, when a user not in sudoers uses sudo, an email is sent out to root. Without any sort of mail program installed on my Arch machine, this wasn't doing anything, however. So ...
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4k views

Regex multiple catch-all setup in postfix

I need to setup a regex catch-all function on postfix such that: tom.(anything)@domain.com goes to tom@other.com phil.(anything)@domain.com goes to phil@other.com How can this be achieved in ...