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

0
votes
0answers
18 views

Debian Cyrus SASL LDAP Auth fails

I am in the middle of an emergency server transfer from a server I did not setup to a new piece of hardware. I am running the newest Debian with Postfix and Cyrus. I have copied over the majority of ...
0
votes
0answers
48 views

Roundcube: AUTHENTICATION PLAIN: Authentication failed

I installed Postfix, Dovecot, Roundcube, Postfixadmin on Amazon EC2 Linux. I configured Postfix, Dovecot, Roundcube and Postfixadmin one-by-one, and I can create new mailbox via Postfixadmin. However,...
0
votes
0answers
28 views

(Host-)Naming a single server with multiple purposes

My Setup I recently rented a VPS and set up an Apache, a Postfix / Dovecot and a TeamSpeak server on it. When adjusting the Postfix configuration, I had to deal with the server's hostname, which, by ...
0
votes
0answers
70 views

How to BCC copy all outgoing emails with Postfix?

I have a VPS on DigitalOcean where I have installed Postfix. I'd like to add in BCC an email address of my choice for all the emails that passing through Postfix go to email addresses not in my system....
0
votes
0answers
68 views

Postfix: status=deferred (delivery temporarily suspended: lost connection while receiving the initial server greeting)

Good day all, I have installed postfix 2.6 on my centos and trying to sent emails through a smarthost, to which I can telnet on smtp port, and failing with subject error. My main.cf is as follows: ...
0
votes
0answers
90 views

postfix dovecot lmtp status=deferred (connect to domain.com[private/dovecot-lmtp]: No such file or directory)

I'm setting up my own Ubuntu mail server at home (postfix-mysql-dovecot-roundcube) with a MX registered domain (here in my example it will be "domain.com"). My main.cf : # Debian specific: ...
0
votes
0answers
25 views

Postfix Not Sending Or Receiving Emails

I followed this tutorial to setup a mailserver on my centos VPS: https://www.linode.com/docs/email/postfix/email-with-postfix-dovecot-and-mysql-on-centos-6 And I am able to send emails to my account (...
0
votes
0answers
28 views

Postfix + Dovecot: Tracking down missing, but delivered email

I have an odd issue. It appears, according to my maillog, that someone has emailed me and that my server accepted - and delivered - the email. Yet the message isn't in my inbox, and I haven't seen any ...
0
votes
0answers
39 views

Configure Postfix as backup MX AND local delivery for the same mailbox

I try to explain better... Actually I have a standalone mailserver (CentOS7+postfix+dovecot) that provide some mailboxes for my domains and I want to add a Backup MX. As said in lot of doc (http://...
0
votes
0answers
37 views

Postfwd not working in ubuntu

I'm trying to configure postfwd with postfix, but not getting any success. Bellow is the list of codes that i performed, not sure if there is anything wrong. Could anyone help me solve this problem? ...
0
votes
0answers
17 views

No folders on E-Mail using Postfix, Dovecot, RoundCube, all in MySQL

I don't have any folders on RoundCube for users. I have set up RC configs to auto add them and Dovecot should do it too, don't know what I did wrong. I use MySql (MariaDB) on RoundCube and Postfix. ...
0
votes
0answers
12 views

postfix sender_bcc_maps to local mailbox

I have an email relay set up using postfix. I would like to archive emails from a specific sender to a local unix mailbox on the same machine. I have postfix configured using sender_bcc_maps, and it ...
0
votes
0answers
20 views

dovecot does not deliver all messages — why?

I have a postfix/dovecot/sieve/thunderbird configuration. Recently I got a message that my IP would be blacklisted somewhere. I went through the process of recovery (https://sender.office.com/) and ...
0
votes
0answers
40 views

How change “from” of outgoing mail in postfix or dovecot without touching DB or app code?

I have test machine (test.domain.com) with dovecot+postfix both configured to work with database users. I can send and recieve mail (smtp) and check all my folders in UI(imap) with addresses like user@...
0
votes
0answers
7 views

postfix add header based on real recipient

Using postfix, I want to add (or replace) a Reply-To header based upon the recipient. header_checks seemed the answer until I realized the headers being inspected are RFC2822 and don't necessarily ...
0
votes
0answers
66 views

Postfix error Recipient address rejected: User unknown in virtual alias table

I have set up a Postfix email server with Dovecot for IMAP running on FreeBBSD 9.3. I am having an issue where I am unable to send an email to any users on the server from an external domain name. I ...
0
votes
0answers
10 views

Postfix: Sender Credentials Password Storage

A few weeks ago I was trying to implement a gmail-like SMTP relay / aliases system on Postfix here: Postfix: SMTP Relay based on alias (from address) After posting a solution for the question one ...
0
votes
0answers
82 views

Postfix rejects messages for only for some recipients

We have working SMTP Postfix server. It receive emails properly, but sending to some recipients is problem. Some recipients are returning this error: postfix/smtpd: NOQUEUE: reject: RCPT from ...
0
votes
0answers
68 views

Error connecting to IMAP server due to Permission denied

I'm using Postfix as MTA, Dovecot as IMAP server and Squirrel mail for web client. All of them are hosted in centos 6.7. Everything goes fine, but sometimes it shows following error(I face this more ...
0
votes
0answers
12 views

thunderbird drops connection to smtps for only one email account of 5 on the same host

I have a mailserver running on postfix and so far I have successfully configured four of my five email accounts with thunderbird, and they work correctly. However, on the fifth, and last, thunderbird ...
0
votes
0answers
7 views

How to log output from maildrop?

The setup : postfix + maildrop in a virtual user setup. Maildirs are in /var/vmail/domain{1,2,...}/user{1,2,...} When maildrop is invoked from the command line, it delievers the mail correctly. But ...
0
votes
0answers
22 views

Forward Postfix mail with alternative sender address

We have a server with postfix + ISPconfig installed. In ISPconfig the redirect is configured correctly and works: postfix redirects all mails send by sender@example.com and addressed to user@example....
0
votes
0answers
22 views

Postfix reject mail with result of spamassasin content_filter

I have a running Mailserver using Postfix and Dovecot. I also configured spamassasin like in this tutorial. Spam is properly marked as such and apropriate headers are added. Now I want to reject the ...
0
votes
0answers
79 views

Postfix check_sender_access map ignored

I have the following in main.cf: smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination, check_sender_access pcre:/etc/postfix/sender_access.pcre, ...
0
votes
0answers
22 views

How can I customize before-queue milter replies in Postfix?

Currently I use postfix with spamass-milter and clamav-milter as before-queue milters, which both work very well. I reject hundreds of messages a day on my small personal mail server on the basis of a ...
0
votes
0answers
93 views

Postfix, allow specific users to send to selected domains

I'm looking into whether it is possible to allow specific users(senders) to send to a given email address. This is to be used, so that only the management can mail all@domain. I have looked into the ...
0
votes
0answers
31 views

Postfix and PostgreSQL: How to make same aliases work for different domains?

I've currently three domains. I want to setup (mostly) the same aliases for every domain and retrieve the mails on Thunderbird. It already works to send/receive mails for contact@domain1.com, contact@...
0
votes
0answers
24 views

Error Authenticate with Dovecot

I have setup a mailserver.. The problem with mailserver is that it doesnt authenticate /var/log/maillog shows: Mar 14 13:43:40 mailserver dovecot: auth: mysql: Connected to 127.0.0.1 (mailserver)...
0
votes
0answers
13 views

Right way to force autresponder script to authenticate against postfix

I'm running Postfix 2.11.1 and i've configured an autoresponder by adding those lines to postfix's master.cf postfix_response unix - n n - - pipe flags=Rq user=...
0
votes
0answers
16 views

Disable soft_bounce just for not existing recipient

We have postfix server. Some times, there is mail that can not be delivered. We have soft_bounce = yes In this case, service response to the sender. But some times the sender is spammer and "from" ...
0
votes
0answers
24 views

Controlling Postfix Recipients

I am in the process of setting up a Postfix\Dovecot email system that is going to be used by our customers. One requirement of the system is the ability to strictly limit who a user can send\receive ...
0
votes
0answers
23 views

Cache status code of rejected relayed mail to immediately block aggressive clients?

A legitimate client relays mail over mail server A to the destination server B. B rejects mail to recipient with status code 554 and the reason "Unknown recipient". Can this rejection be "cached" for ...
0
votes
0answers
68 views

Postfix virtual mailboxes, catch-all, relay only a few of them to another server based on recipient address

I'm using Postfix as a main MX server, connected to internet. On LAN I have MS Exchange, not accessible from internet. Postfix works fine with virtual mailboxes, Dovecot for POP3/IMAP etc. I'm using ...
0
votes
0answers
7 views

Postfix DSN suppress DSN in relaying host

I have following scenario with Delivery Status Notification smtp-client === host1(postfix) === host2 == .. === host_N I would like the smtp-client to receive DSN from host1 (sucess,delay,fail) but ...
0
votes
0answers
19 views

Postfix whitelisting email before filter

I using renattach to strip certain attachments from emails (following this tutorial: https://crcok.wordpress.com/2015/03/15/disable-attachments-in-postfix/). It is integrated into the mail system ...
0
votes
0answers
17 views

Configure Postfix to relay mail to another server ONLY if TLS fails for the original destination?

Currently, Postfix is set up to send encrypted email using TLS, but not all destinations support TLS encryption. I assume it's possible to configure Postfix so that it securely relays the mail to ...
0
votes
0answers
25 views

Postfix Remove Defer Permission Denied

I am running a postfix mail relay server that handles outgoing emails from several websites that we host. Occasionally it seems that a specific email will get stuck and postfix refuses to process any ...
0
votes
0answers
21 views

postfix : Cannot send email using mail() function in PHP

My question may seems duplicate. But I did not find any question with the same environment as mine. I'm using Postfix under CentOS 6.4. I am also using LAMPP. This server does not have iptables ...
0
votes
0answers
50 views

Postfix bouncing emails submitted through pipe

I have a Postfix with a piped content filter which tries to locally deliver the messages before sending them out, resulting in a bounce notification for each event. According to the Postfix ...
0
votes
0answers
66 views

Postfix SASL server said: 535 5.7.8 Error: authentication failed:

I have a mail server (running on Ubuntu server 12.04) that worked fine until a couple of months ago. After I forgot to renew my cacert.org free certificate, I created a new certificate and loaded it ...
0
votes
0answers
59 views

Postfix SLIBUserRealNameGet failed

My postfix log contains lots of SLIBUserRealNameGet(user=someusername) failed entries. someusernameis either my username which i use for the SASL Login BUT the first letter is missing (example: bob -> ...
0
votes
0answers
90 views

How does postfix work together with dovecot?

I am running postfix and dovecot with virtual domains as described in the section "Postfix virtual ALIAS example: separate domains, UNIX system accounts" here. After i had set up dovecot logging i ...
0
votes
0answers
52 views

Mail Server has stopped working on Ubuntu server 14 since instlling MailScanner

I installed Mail Server on Ubuntu Server 14: (tutorial https://www.linuxcbt.com/products_linuxcbt_postfix_edition) 1. Postfix + dovecot - works properly without MailScanner 2. ClamAV - clamd 3. ...
0
votes
0answers
32 views

Postfix not forwarding emails, but sends them from command line

I did have postfix working a few months back, then for some reason it stopped working. I only want forwarding emails, not mailboxes. I've setup forwarding using the virtual file, and configuring main....
0
votes
0answers
25 views

Dovecot only allow IMAP/POP for specific clients

I have a postfix+dovecot+roundcube server where I authenticate against dovecot from postfix as well: # SASL smtpd_sasl_type = dovecot smtpd_sasl_path = private/auth smtpd_sasl_auth_enable = yes ...
0
votes
0answers
15 views

postfix outbound relay, only permit email to or from mydomains

How can I allow Postfix to: send emails from any domain to my domain, or from my domain to any domain, but reject emails from any domain to any domain. Example: mydomains = example.org, example....
0
votes
0answers
40 views

set X-Original-To in postfix virtual forward

I am using postfix virtual alias map to forward email sent to our support email info@ourdomain.com to Zendesk at support@ourdomain.zendesk.com Unfortunately there is no information in the email ...
0
votes
0answers
256 views

Amavis error after reboot: SMTP [451] 4.3.0 Error: queue file write error

I'm running a mailserver on Debian Jessie with Postfix, Dovecot and Amavis as content filter. Everything works fine since months. Recently I had to reboot the server. After that, sending of mails does ...
0
votes
0answers
56 views

Postfix selectively bypassing the spam

I have Centos 7 installed and postfix as MTA on the server. Here is my anti spam postfix additional configuration: # main.cf ANTI SPAM disable_vrfy_command = yes smtpd_delay_reject = yes ...
0
votes
0answers
15 views

Postfix smtp send (from Email + ip ) condition if not reject . how to?

Dear friends, i have case that require that i should allow some application to send without authentication (done mynetworks). my problem if i allowed any ip to send using mynetworks it can send from ...