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

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is there easy auto config software for setting up postfix/dovecot/mysql?

I'm really pulling my hair out on this one. I have installed all of the apps mentioned above, along with webmin and postfixadmin. Webmin gives me settings for dovecot but asks for a sql configuration ...
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12 views

Postfix Outgoing mail not working from external locations

I'm currently trying to get Postfix and Dovecot to work on my Ubuntu server, and it partly works. I got it working on Roundcube. I was able to send mails to and receive from external servers like ...
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1answer
16 views

How to add regex aliases in Postfix when using MySQL

I need to create regex based catchall aliases in Postfix setup with MySQL. I have found examples of a mysql_virtual_alias_maps_regexp.cf with this query: query = SELECT goto FROM alias WHERE '%s' ...
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1answer
26 views

Samba4 group email address lookup postfix/dovecot

I have samba4 ad dc setup with my users and groups working fine loginwise. I have installed a postfix/dovecot mailserver on my dc, which is working fine with single user mail addresses, sending and ...
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1answer
25 views

Roundcube can send email, but not displaying received messages

I recently installed Roundcube on Debian Linux. I am using Postfix and Courier IMAP as well. Installation was a breeze and I was quickly able to send an email from me@myserver.com to me@gmail.com. ...
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44 views

does postfix 2.11 needs to be patched with VDA patch for per user or domain Quota support, when dovecot 2.2.x is used as imap server?

does postfix 2.11 needs to be patched with VDA patch for per user or domain Quota support, when dovecot 2.2.x is used as imap server ? Im using ubuntu 14.04 LTS with postfixadmin 2.3. i appreciate ...
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1answer
51 views

Cant receive mail from gmail (2)

I've noticed mails being sent from my gmail account to a mailbox on a centos 7 server are not arriving their destination, but no bounce message returned as well. This is what I've found in maillog: ...
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21 views

I don't recieve virtual alias email from my postfix/dovecot server in Gmail

For some reason the regular virtual user email accounts like admin@example.com comes into Gmail via POP3/IMAP just fine - but none of the virtual alias email comes into GMail! Gmail says it retrieved ...
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1answer
39 views

Postfix with SASL and Dovecot 2 configuration

I'm trying to configure my server to receive and send mails. Sending mails is no problem, but there seems to be an issue receiving mails. I have this configuration working on my old server, but now ...
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9 views

DoveCot users + multiple domains

Hi I am trying to get dovecot to work with multiple domains My /etc/aliases looks like this # See man 5 aliases for format postmaster: root shop: shop ben: ben When I try changing it to ...
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14 views

Prevent Fake E-Mails with Postfix

I have a secure and almost-properly-configured SMTP/Dovecot server running, but I do have a problem. As it's currently set up, anyone (who has valid credentials) can send e-mail from any address in ...
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121 views

Relay access denied (in reply to RCPT TO command) Postfix Issue

I am trying to configure my server for email taking reference form this link: koray.me/smtp-relaying-outgoing-mail-in-postfix-using-webmin. I used Mandrill smtp server in my case. I have also ...
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40 views

The emails sent by mandrill are soft-bounced by the postfix server

We have a app written under php (symfony2) and we are sending a certain type of email via mandrill. It works the past months but now all the emails sent to info@domain.com are being soft-bounced and ...
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17 views

make postfix bypass amavis completely for specific domains

I want the postfix agent to bybass the amavis scanner for all mails from and to a specific domain. So, i added the following line to /etc/postfix/main.cf header_checks = ...
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11 views

Postfix errors when triggering mails from a server different than the mailserver

We used to have a server for everything, where our PHP scripts and the mail server would run on the same server. Now we moved our php scripts to a different server and we seem not to be able to send ...
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121 views

smtps service not found/“warning: connect to transport private/smtps: No such file or directory”

I'm trying to access an SMTP smarthost example.com using TLS via port 465 by adding smtps inet n - n - - smtpd -o smtpd_tls_wrappermode=yes -o ...
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1answer
105 views

Postfix not delivering messages (554 Client host rejected: Access denied)

Messages from localhost is working normally, but when I try to send mail from i.e. gmail to my domain (as in virtual domain mapping) postfix is denying it with error (554 5.7.1 : Client host rejected: ...
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1answer
161 views

How do I block Postfix from sending spam?

My postfix is sending spam from a random-name@mydomain.com address. How is this possible and how do I allow only www-data@localhost to send and postfix to only deliver from myname@mydomain.com to ...
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2answers
62 views

Postfix not connecting to postgres pool with local ip address

I have a postfix e-mail server that is contacting a database to query and verify e-mail addresses etc. It connects using pgbouncer to cycle through connections, however my problem was that the ...
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1answer
42 views

Posftix configuration with antispam

I have postfix with anti spam and when anti spam returns status 554 (spam mail) to postfix the mail is bounced to the sender. Is there a way to decide another action for postfix for 554 like reject. ...
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20 views

postfix multi bcc_sender_maps

I am trying to configure postfix to send mails to multiple e-mail address using sender_bcc_maps user1@domain.com -> bcc1@domain1.com bcc2@domain2.com my configigurations is postfix + vusers (sql) ...
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1answer
30 views

Postfix / Dovecot Mail appears in logs, but not in its respective folder

I'm currently trying to set up Postfix with Dovecot, but something does not seem to work the way it should be. For some reason, mails I sent to my mail account appear in the logs, but do not become ...
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76 views

Signing-milter / SMIME - how are this email signed incorrectly?

I have a problem with signing-milter (http://www.signing-milter.org). The problem is that the -b flag is required, and the -b flag is not recommended because it outputs non-RFC compliant email. ...
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1answer
432 views

postfix - warning: connect to transport private/smtp: Connection refused

I have been having trouble with my postfix+dovecot mailserver. Every time I try to send an email to a different server (gmail etc.) I get the following messages in the log: postfix/qmgr[28918]: ...
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66 views

Outlook 2013 connects to Postfix/Courier server and can send emails, but doesn't open Inbox

I've configured a Debian server with Postfix and Courier along with SquirrelMail for a client. I've configured the server with his email accounts, and these are accepting emails without issue. I've ...
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1answer
46 views

postfix how to allow domain but block subdomains

I have a postfix mail gateway that passes mail to and from a domain. I want it to reject mail to or from subdomains of that domain. Is there a simple way to do that?
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20 views

How configure spamassassin to deliver spam to a spam folder [duplicate]

I created a small mail server following these instructions: https://www.linode.com/docs/email/postfix/email-with-postfix-dovecot-and-mysql for mail server and ...
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40 views

Conditional relay with credential based on domain recipient?

I use postfix to send email directly, but sometimes outlook.com won't deliver my business email messages. After changing the SPF record, the delivery succeeded, but goes to the recipient's Spam ...
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89 views

Dovecot imap connection closed by remote host

I have setup postfix and dovecot on my ubuntu 14.04 on a digitalocean droplet. When I telnet to my localhost on imap, I get the output below, can anyone help me.. telnet 127.0.0.1 143 Trying ...
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33 views

Postfix private relay

I've setup my postfix + dovecot server successfully and can send/receive mail however I would like to setup a cluster of 2-3 extra servers which are used for outgoing mail. I have looked into options ...
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24 views

Masquerade address based on destination with Postfix

How do I set postfix to replace the "From" header based on the destination domain? For example: Sending email from me@domainA.com to you@domainB.com should be changed, so as to appear as if the email ...
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2answers
118 views

Can't connect to my email server

Recently I transferred my domain to NoIP, and I had to create a mail server. (I had to transfer to noip because I can't setup a static/fixed ip as I am particular not a business, and I don't have a ...
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48 views

How to configure postfix Ubuntu with a tk domain

I have a free my.tk domain and I want to send emails with it using postfix running on my Ubuntu server. Please look at the my.dot.tk website and post a step by step tutorial on how to configure ...
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2answers
42 views

What have I done wrong with my Postfix config?

My mailserver has been sending emails fine and dandily to newsletter subscribers via the Mandrill app, but I have not been receiving emails on the domains I want, I only want mails to go to the user ...
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303 views

Postfix - SMTP mail delivery failed with “Connection timed out” error

I have installed postfix mail server in ubuntu machine. I am facing some issues with the mail sending to other domain mail servers (Google, Yahoo, Outlook...). I am using virtual domain to send the ...
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47 views

Forwarding Postfix email to multiple users not working

My /etc/postfix/virtual currently contains (emails obscured for privacy) teals@example.com example+teals@gmail.com, other_example@gmail.com, third_example@gmail.com example@example.com ...
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2answers
129 views

Why my Email server Mark as Spam?

Hi I have installed emails sserver and I was configuration with SPF, DKIM not relay. but still mark as spam when sent into another mailserver. here my header when sent into gmail. Delivered-To: ...
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31 views

Outbound mail queue lifetime standards

Description: I am trying to setup an email server with qmail and postfix as a MTAs. I am using postfix to handle my outbound mail flow traffic. Problem: I have set postfix maximal_queue_lifetime to ...
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51 views

Softfail with properly configured SPF

I have just set up a mailserver with postfix+dovecot. Sometimes, when I send an email, I get an SPF softfail (the other times, the test passes). It seems postfix isn't communicating the IP address ...
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294 views

How to configure to send emails from localhost pc with postfix xampp and xubuntu configuration

I am building some website and for testing purposes i need to configure somehow to be able to send emails from my pc. I have xubuntu installed on my home pc and xampp for local development. I have ...
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1answer
26 views

Avoiding Mail Server Inconvenience

We run our own web server (Apache on Ubuntu) for a bunch of non-commercial websites, but there was no mail transfer agent installed on it, since they are complex to configure and maintain. You need to ...
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193 views

macosx: How to unblock SMTP port?

In /var/log/mail.log I see runs of time-out errors in quick succession, like this Dec 13 15:50:31 myserver postfix/smtp[2911]: connect to alt2.gmail-smtp-in.l.google.com[74.125.138.26]:25: Operation ...
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44 views

Postfix - relay issue on my end?

Maybe someone experienced more than me in Postfix can help me out a bit. mail.log:Dec 11 22:14:36 server596 postfix/smtp[31301]: 3A5BC17AC00D: to=<int@njsbw.com>, ...
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46 views

Postfix error: proxy-reject: END-OF-MESSAGE: 451

I installed mail server by using the fufix bash install script. I cannot send and receive messages. Keep getting this message in log: mail1 postfix/smtpd[25142]: proxy-reject: END-OF-MESSAGE: 451 ...
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1answer
42 views

postfix relayhost send as user@example.com

I have a working setup of a postfix installation, but because I have a dynamic IP, gmail refuses any messages I send from my server. I searched arround and found that with relayhost I can send ...
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93 views

How can I have Postfix add a header to all outgoing mail based on command?

I would want to have postfix to run the command: /usr/bin/hashcash -mXb 26 <RECIPIENT1> <RECIPIENT2> ... <RECIPIENTn> and add the output of this command as a header. How can this be ...
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37 views

msmtp complains no auth method found

msmtp output: <-- 220 example.com ESMTP Postfix (Ubuntu) --> EHLO example.com <-- 250-schemacs.com <-- 250-PIPELINING <-- 250-SIZE 10240000 <-- 250-VRFY <-- 250-ETRN <-- ...
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98 views

How can I set a conditional relay in Postfix?

We have Postfix setup to relay mail to our hosted Internet facing mail server. Is it possible to configure Postfix to relay mail differently based on the destination? We currently have it working so ...
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1answer
30 views

POSTFIX is possible to detect when mail was read

I have a problem that I need to check when in the morning the first mail of some account was read. We are using POSTFIX mail server and system is UBUNTU. is this possible?
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65 views

Multiple postfix instances one host

I have a server on which i need to add setup a second postfix configuration to send e-mail (doesn't have to receive) that's being sent in from a PHP web application that's hosted on the server aswell. ...