Free and open source mail transfer agent (MTA) that routes and delivers email. When asking about postfix problem, please include the relevant maillog lines and output of the following command: "postconf -n" (content of main.cf) and/or "postconf -M" (content of master.cf)

learn more… | top users | synonyms

1
vote
1answer
40 views

Amavis not found by Postfix

I'm having this super annoying Postfix problem. I did a clean install of my web/mail/everything server and configured ISPConfig 3. Everything right now is working, except for Postfix. I can't send or ...
1
vote
1answer
56 views

OpenDKIM not signing outgoing mail

I'm trying to setup OpenDKIM on my mailserver running Debian and Postfix. This is the configuration I've done: Generated two keys (for two domains I need to send mail for) Configured KeyTable, ...
1
vote
1answer
89 views

Gmail accepting postfix relay via Port 25 but rejecting emails sent via TLS login on same server?

I have a postfix email server that handles mail via two routes. First is a relay on port 25, this is dedicated to a single external IP address via a 'mynetworks' entry. This route is to handle email ...
1
vote
1answer
25 views

OpenDKIM mail header: temperror

I've just installed and configured OpenDKIM to use it with Postfix and Dovecot on my server. I can send e-mails to another accounts, but when I check the header I find this: dkim=temperror (no key ...
1
vote
1answer
61 views

postfix/dovecot - how to view smtp auth user in log files?

I am using postfix with dovecot and virtual users on a centos 6 system. I had a rush of spam recently, with tons of packs of 50 recipients delivered from an unknown account. The current logging ...
1
vote
1answer
26 views

Traffic Controlling in Postfix

In postfix can we restrict inbound mails from gmail.com, and other free domains if they have more than one recipient? Following conditions to consider: Email is from Free Email domain like ...
1
vote
1answer
85 views

How To Only Restrict PHP5/Apache to Send Mail Only To Local Users

I need some help. I am running lastest stable Ubuntu which hosts Apache/PHP5 and also delivers email. I host some WordPress sites for other users and have been waging a war for months now combatting ...
1
vote
1answer
145 views

Dovecot - Fatal: execv(/usr/lib/dovecot/imap-login) failed: Permission denied

I'm in the process of trying to set my own mail server reasonably closely following this guide: http://sealedabstract.com/code/nsa-proof-your-e-mail-in-2-hours/ I've just started to test the ...
1
vote
1answer
147 views

Postfix: 'Relay access denied' - all incoming mail is rejected

I am testing my PostFix setup by sending email from my gmail account to an account on a virtual domain. Postfix's response is invariably: NOQUEUE: reject: RCPT from ...
1
vote
1answer
96 views

Postfix aliases only work from local users

I just setup a Postfix instance and added a few names to /etc/aliases. For example, take this: root: toor, nobody foo: root, root@gmail.com foo2: foo, example@example.com I ran newaliases ...
1
vote
1answer
210 views

Postfix server rejecting sender address

I installed a mailserver (postfix / dovecot) on my Debian Wheezy system and cannot send mails. Since I just want to administer a mail server and don't have a domain yet, I'm working with the external ...
1
vote
1answer
99 views

Error in amavisd.conf -missing curly or bracket

I'm currently trying to setup Spam and Virus Filtering on my CentOS 6.4 machine using SpamAssassin and ClamAV. I've installed all necessary packages (SA, ClamAV and Amavisd-new) and configured them. ...
1
vote
1answer
206 views

How to get different Received: from headers from each domain using Postfix Virtual Domain Hosting?

We have try to configure Postfix for multiple domain with dedicated ips. when i am sending mail from different domain webmail then header show same local or main domain name. Received: from ...
1
vote
1answer
383 views

couldn't authenticate to backend server: no mechanism available

I'm trying to use cyrus murder, I've been fixing some bugs but now I found this when trying to access from thunderbird: The current operation on 'Inbox' did not succeed. The mail server for account ...
1
vote
1answer
973 views

Moving Maildir directory out of /home

I have a computer with Ubuntu 13.04 with a local IMAP server that I use to share email over the LAN. I set this computer up to have an encrypted /home, however this therefore means that anyone logging ...
0
votes
1answer
10 views

Postfix canonical map for forwarding

Because of problems of IP/domain reputation (my server and domain very recent), I had to use Amazon SES as SMTP relay to be able to not have my mails flagged as spam. My setup with Amazon was working ...
0
votes
1answer
31 views
+50

signed-by in mail header is not added as I have installed and configured my domain

I have checked in http://dkimcore.org/c/keycheck that my site has a valid TXT record for DKIM. My domain is myDomain.com and my selector is mail. I used -t and says to servers to ignore errors and ...
0
votes
1answer
12 views

How to show/include originating domain/application in Postfix logs

I have a server which hosts a number of applications mostly built with Drupal. These applications are configured to send mails and Postfix is my MTA. Is it possible to have the applications and/or ...
0
votes
1answer
17 views

Postfix - MySQL - noreply custom response not working

I'm trying to get a custom response working for no.reply@example.com and I keep getting "User doesn't exist" errors. I have an alias of no.reply@example.com which has a 'goto' of the same value, then ...
0
votes
1answer
59 views

FreeBSD & Jails: Send mail through Postfix in Jail

I have FreeBSD 10.2 and I'm using several Jails, one of them has Postfix installed. I want my other jails and my host system to use the local Postfix installation in the Jail. They should use ...
0
votes
1answer
53 views

IMAP authentication issue with roundcube + postfix + mysql + ubuntu mailserver

This problem is driving me insane and I'm now stumped. Need some help please ;) I'm setting up a mail server on an Ubuntu 14 AWS EC2 instance using mysql backend, postfix MTA and roundcube webmail ...
0
votes
1answer
27 views

Mail Clients stopped working after MX Change

At first I was using 'example.com' as my MX record and everything worked fine, IMAP, SMTP, sending mails from the mail clients. And then I changed my mx record to 'mail.example.com' and everything ...
0
votes
1answer
40 views

Don't receive emails after restoring mails on postfix (ubuntu-server)

I recently swichted my virtual server and for that reason I had to move the whole postfix from the old to the new server. I created an archive (.tar.gz) for each domain in /var/qmail/mailnames/ For ...
0
votes
1answer
11 views

Postfix rejecting inbound mail to virtual mailboxes

I followed this tutorial to setup an email server that uses virtual users. https://www.rosehosting.com/blog/mailserver-with-virtual-users-and-domains-using-postfix-and-dovecot-on-a-centos-6-vps/ I am ...
0
votes
1answer
72 views

Postfix header_checks not working

I just can't seem to figure out why header_checks are not being evaluated. I add following line to /etc/postfix/main.cf: header_checks = pcre:/etc/postfix/header_checks.pcre And here is ...
0
votes
1answer
48 views

Postfix Server for Mass Mailing on Multiple Domains

I'm currently setting up a mail server for mass mailing on a non-profit. I decided to go with Postfix since I had some experience with the configuration. However my experience was for multi domain ...
0
votes
1answer
26 views

How is the maildir for each user supposed to be created?

I've installed postfix+dovecot under ubuntu and got permission errors when receiving mail: Nov 10 22:04:08 amalthea postfix/local[14942]: warning: maildir access problem for UID/GID=9999/9999: create ...
0
votes
1answer
54 views

POSTFIX: Limit outbound connections, message count, cummulative size in time window

We are sending quite large amount of email messages to our customers every month with Postfix. Big percentage of them have their email hosted with @example.com. But every month we are struggling to ...
0
votes
1answer
21 views

Two DKIM signatures in outgoing messages

I have DKIM and SPF correctly configured on my server with postfix (myserver.com). However, when I send emails from Gmail configured to authenticate and send email as myname@myserver.com ...
0
votes
1answer
50 views

Restrictions for postfix submission port

I would like to set up Postfix (on ubuntu 14.04) to use the submission port but I'm worried It may become an open relay. I would like to know what are the best restrictions for each of the ...
0
votes
1answer
95 views

Postfix: disable “sender non-delivery notification” from MAILER-DAEMON

Is there is a way to prevent postfix from sending them to the sender? My boss asked me to do so, so I'm not going to argue with him, just need to disable it. I've tried to discard them in ...
0
votes
1answer
42 views

How to make noreply reject mail

I am using Postfix to send mail. I have it configured that only users listed in /etc/aliases or /etc/postfix/login_maps are allowed to receive mail and that users must be authenticated and can only ...
0
votes
1answer
47 views

Postfix virtual mailbox - mail rejected if 'myhostname' is not 'localhost'

I'm using this howto to setup virtual mailboxes for non-linux accounts using postfix. This part of my main.cnf: myhostname = localhost mydomain = aviacao.pt myorigin = aviacao.pt mynetworks = ...
0
votes
1answer
38 views

Change from name in postfix

I'm not able to change from name when i send out a message with postfix. I always get root@localhost.localdomain, i've already cheked whole process, but something is missing, could you take a look? ...
0
votes
1answer
92 views

no SASL authentication mechanisms

I am running freebsd 10.1 with postfix and Dovecot. In the mail logs for postfix, I get this error: fatal: no SASL authentication mechanisms Below is dovecot log errors: Error: auth: ...
0
votes
1answer
108 views

SASL Auth against LDAP

So I am running into a whirlwind of issues with my cyrus install. I am setting up a multi-domain kolab groupware solution. I am on centos 6.7 I am getting this flooding my error logs when I try to ...
0
votes
1answer
465 views

Telnet: Unable to connect to remove host: Connection refused (Postfix - Ubuntu 14.04 VPS)

I have installed postfix following this tutorial but when I try to telnet mail.mydomain.com 110 (995,993,143 or 25) it throws the following error: Telnet: Unable to connect to remove host: Connection ...
0
votes
1answer
375 views

postfix header_checks - regex spanning multiple lines

I would like to create a spam filter that spans multiple lines in headers. This is my /etc/postfix/header_checks file: /^From:.*name[0-9]+@.+[\r\n]+To:.*name@domain\.com/ REJECT It's a valid ...
0
votes
1answer
1k views

SMTP Error (451): Failed to add recipient. Temporary lookup failure

Installed iRedMail on Debian Server Can Login to Roundcube Sending Mails from Roundcube results in the following error: SMTP Error (451): Failed to add recipient "XXX@mydomain.de". Temporary ...
0
votes
1answer
443 views

Postfix logging “Fatal: no SASL authentication mechanisms”

I was trying to close the open relay postfix server I had running, as there was spam coming from it, and now I can't get e-mails. The message I get in the log when someone tries to send an email is ...
0
votes
1answer
279 views

configuring .mailrc for multiple Maildir users

In a CentOS 7 server with postfix and mailx, my ~/.mailrc file contains: set MAIL=/root/Maildir set folder=mail This enables mail from the root user's Maildir to be reviewed when the root user ...
0
votes
1answer
374 views

postfix always_BCC mail system configuration error

I'm trying to setup always_bcc to an archive account in order to copy all inbound and outbound mail into a mailbox that can be sucked up by a third-party cloud archive solution. Outbound, works fine, ...
0
votes
1answer
494 views

Create Public/Shared Mailbox on OS X Server 10.9.5 with Dovecot 2.2.5

how can I create a Public/Shared Mailbox on OS X Server? This Mailbox should be available to all authenticated Users on my network and should be automatically subscribed into a folder "Public" in the ...
0
votes
1answer
194 views

Sieve - Redirect incoming mail for all mailboxes within domain to one specific mailbox

Is it possible to set a global sieve filter to redirect mail to specific mailbox within receiving domain. I understand I can simply point out where I want mail to go in a filter like ...
0
votes
1answer
124 views

How to add a disclaimer to forwarded messages to outside domains in Exchange 2013?

I would like to implement some kind of filter to add a disclaimer message within emails forwarded to outside domains. Today we have some users that setup filters to forward messages to external mail ...
0
votes
1answer
341 views

Send mail from local web server to ouside mail server

I've tried the search and read and tried quite a few articles by now and still no luck, so I'm hoping someone can help me here. My situation is: I'm running a web server in our local network that is ...
0
votes
1answer
221 views

postfix just installed on ubuntu, but mail() not working in php

I have a new server. Just installed Postfix (apt-get install mailutils), and configured postfix as "Internet site". Works fine when I'm logged in as regular user on the command prompt and use "mail ...
0
votes
1answer
52 views

Problems in testing telnet using postfix

i am quite new so please be a bit patient XD i am trying to configure a mail server using postfix (which implements a database for aliases, domains and mailboxes) and courrier on ubuntu. I have this ...
0
votes
1answer
572 views

Adding Reply-To header using Postfix if it does not exist in the mail headers

I would like to add a Postfix re-write rule to insert a Reply-To: header if there is not one already defined. This server is a web server with PHP and Perl scripts, we do not want the mail sent from ...
0
votes
1answer
235 views

forward a forwarded mail with postfix, based on rules

How can I get postfix to forward an incoming email to one or more different local alias(es), if the address I want the rule to be based on, is not the recipient? The address I want to act on is from a ...