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)

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4
votes
1answer
77 views

Sending email to a pair of users regardless of which one was addressed?

In the old sendmail I used to be able to backslash the usernames to prevent forwarding loops, however postfix 2 doesn't allow this syntax since complying with RFC822. Here is my example sendmail ...
2
votes
1answer
49 views

Sending mails from Gmail through my VPS (postfix, dovecot, postfixadmin)

This problem has been bugging me for a long time now and i want it to be fixed. On my VPS I have set up Postfix working correctly with postfixadmin and dovecot. (I can send (by terminal) and receive ...
2
votes
1answer
32 views

Bad search filter - postfix, OpenLDAP, Saslauthd

I am trying to setup a mail server on Debian Jessie and have come across a problem that's doing my head in. When trying to access OpenLDAP through saslauthd via the command testsaslauthd -u user1 -p ...
2
votes
1answer
182 views

Creating tickets with Email in osTicket

I have just installed an osTicket server for our company and I have problem with creating tickets from email. I'm using Postfix as my SMTP server and Dovecot as my IMAP server. In osTicket panel I ...
2
votes
1answer
70 views

sendmail cant send mail - Centos6/7

I have a newly minted CentOS 6.7 box to set up sendmail on. It seems sending email but not really, no idea whats the issue could be. What I did: yum install sendmail sendmail-cf sendmail-doc ...
2
votes
1answer
261 views

Prevent postfix appending search domain

I have postfix running on OpenBSD, and I'm having trouble with it appending a search domain when none is configured in either postfix or the local DNS server (dnsmasq). My domain has a wildcard CNAME ...
2
votes
1answer
2k views

Make Postfix search LDAP group members by UID instead of DN?

I'm creating an e-mail server with postfix (v2.7.1 on Debian 6.0) where users and groups are stored in an LDAP server. Users accounts works fine but I want to create e-mail aliases from group (any ...
0
votes
0answers
95 views

DKIM fail signature doesnt verify

I had setup postfix and dkim and keep on getting dkim=fail on port25 and gmail checks. DKIM check details: Result: fail (signature doesn't verify) ID(s) verified: Canonicalized Headers: ...
0
votes
0answers
24 views

SMTP server for Python parser

I'm trying to get emails into a Python application. There is an exchange server that marks some emails with a BCC address for archive@somedomain.com. I do not control the Exchange server. The email ...
0
votes
0answers
13 views

Access denied error connecting to SQL DB with Postfix

I have no idea how to go about debugging this. I have created an SQL user called postfix and i have verified that i can log into the DB with this user and edit tables. I have configured postfix to use ...
0
votes
0answers
110 views

Postfix “ Sender address rejected: not owned by user”

I've setup a Postfix/Dovecot mail server on AWS. I've implemented self-signed TLS authorization, connected to it from and external TBird client and tried to send/receive email. TBird is able to ...
0
votes
0answers
35 views

Relay email from a specific user through SMTP in Postfix

This is a very simple question and sorry if it is obvious/already answered. I have a mail server that I use to send mail from my primary domain. I have it set up just how I want it with TLS only, ...
0
votes
0answers
91 views

DKIM, SPF, DMARC, SPF OK mails are flagged as SPAM

I have a dedicated server running CentOS7 with Postfix, the problem is that all the sent mails are flagged as SPAM by hotmail and gmail despite DKIM, SPF, DomainKeys, DMARC records and keys wich are ...
0
votes
0answers
31 views

postfix whitelist all incoming mail with a specific domain destination

Would it be possible to whitelist all incoming mails with a specific recipient domain. I have multiple domains running on my mailserver. I want to simply push thru all the incoming mails with a ...
0
votes
0answers
29 views

Postfix + Dovecot - Internal Relay

I have a postfix/dovecot mail server setup. Mail is working perfectly. External relays are disabled. The issue is external servers can telnet to smtp 25 and spoof email from any valid domains hosted ...
0
votes
0answers
21 views

Postfix local reject message for valid user

I'm having a problem with postfix which is randomly rejecting mail to valid local users. Users are in a local openLDAP server, but configured as local users. I can't reproduce the problem, it look ...
0
votes
0answers
24 views

postfix - Rewriting address from maps before applying restrictions

I use Postfix and Dovecot on my server. I have quota plugin to my Dovecot applied so I have created service which provides information about quota to Postfix. My smtpd_recipient_restricions are: ...
0
votes
0answers
44 views

postfix / php mail() on ubuntu 14.04: no mail sent, no trace in log

Setup: Ubuntu 14.04 postfix 2.11.0 php 5.6.15 Php's mail() function does not send out emails on my VPS and no issue appears on the log. My test script is very basic: <?php ...
0
votes
0answers
35 views

Identical VMs behave differently

I have 2 Centos 6.7 OpenVZ VPS'. I have copied the entire disk image from the first one (server1) to the second one (server2). Now I have a couple of issues with server1 that I don't have with ...
0
votes
0answers
85 views

Using postfix to send email in redmine

I'm trying to configure sendmail to send emails from the Redmine installation (which I still haven't figured out how to run with Apache). When I send mails from the terminal, with the command ...
0
votes
0answers
18 views

dspam is duplicating messages

I have the: dspam_destination_recipient_limit=1 in the postfix config. The mail system + aliases are working fine, but there is 1 special case, when I want to mirror a mailbox into another one. ...
0
votes
0answers
23 views

How do I configure the default host for postfix's sendmail

I'm unclear on how postfix's sendmail decides which host to send mail to. I'm running postfix on my server -- listening on port 25, all good (I'm only using it for sending mail). When sending mail ...
0
votes
0answers
41 views

Zimbra not releasing space

We are using Zimbra 8.0 collaboration server open source edition. (Release 8.0.0_GA_5434.RHEL6_64_20120907144639 CentOS6_64 FOSS edition ) on centos6. While we deleting an Account or Emptying Folder ...
0
votes
0answers
31 views

mailx is working to send mails to external network. But mutt is not working?

I have a server with postfix service running. I am able to send mails to external network using mailx. But with mutt, I can only send mails to users inside network. What I might be the issue? ...
0
votes
0answers
543 views

DKIM-verification fails because of “insecure key”

I have my Debian (7.9 "wheezy") E-Mail-server (Postfix 2.9.6-2) setup to sign and verify DKIM signatures in e-mail messages using OpenDKIM (version 2.6.8-4). When I send myself an e-mail from my ...
0
votes
0answers
33 views

Postfix mailserver only allows sending from ONE email(support@domain.tdl), and only THAT email for THAT domain, but receiving from outside is fine

As the title says, I can only send emails(through webmin + thunderbird) using the support@maindomain.de email, but using other domains/accounts like blah@maindomain.de, wont send it(even though webmin ...
0
votes
0answers
70 views

How to change the name of root when sending mail

I would like mail sent from root to be sent as HOSTNAME <noreply@example.com>. On my outgoing-only servers that run exim4, I simply modify the file /etc/passwd and change the name of root to ...
0
votes
0answers
50 views

postfix new mail notifications

We're looking at embedding a Postfix mail setup into an existing web (php / mysql) product so that it can offer inbuilt email send/recieve support along with mail account management (its a CRM). ...
0
votes
0answers
30 views

Postfix Rejects E-Mails

I have a problem with my Postfix configuration. I configured it together with dovecot and mysql and everything works as expected (login, mysql querys for aliases and virtual domains are tested). But ...
0
votes
0answers
8 views

Adding virtual users to postfix without modifying main config files?

In other services (e.g. httpd, supervisor, yum, etc), it's possible to add to the configuration without modifying the main configuration files (by placing files in, e.g. /etc/httpd/conf.d, ...
0
votes
0answers
129 views

Cannot receive mail [postfix/dovecot] (updated)

Continuing my efforts to get my own mail server working with Postfix and Dovecot on Debian 8. I fixed the following issues so far: SSL, Secure IMAP login. I seem to be able to login via iPhone ...
0
votes
0answers
22 views

Can I selectively inhibit alias expansion with postfix?

In a sendmail configuration, I can selectively inhibit alias expansion using a backslash as in foo: \foo, bar@example.com foo-only: \foo The idea here being that email sent to foo will be ...
0
votes
0answers
231 views

Email transmission delays between Gmail and our server

A few days ago I started setting up a mail server for our company: OS: Debian MTA: Postfix DNS: bind9 Firewall: pfSense Port forwarding for ports 25 and 53 through pfSense for passing on DNS and ...
0
votes
0answers
33 views

I was asked IMAP password when logging on cyradm. How to reset IMAP password?

I am setting up postfix on my VPS, and when I tried to log on using this command: cyradm -u cyrus localhost --auth plain It ask me the password first, and I input the password for user cyrus. But ...
0
votes
0answers
39 views

Postfix: on multi-recipient e-mails of same domain, how do you remove all but one (first) address?

We have a shared IMAP mailbox for a business. Customers are not used to not having to CC tons of people with us, so they CC everybody, which creates noisy duplicates in our shared inbox. How can I ...
0
votes
0answers
138 views

Postfix Clogging Up

I have an OS X mail server running using server.app. In the background, it runs Postfix. Recently, my mail queue has been clogging up and I'm not quite sure why. I'll try to force the queue with sudo ...
0
votes
0answers
92 views

mailjet with brimir (open source Ruby project) on debian doesn't send mail

I tired of searching a tip to be able to send mails with mailjet on my debian. I configured a dashboard for tickets (Brimir, Ruby open source plateform) Here is the link : ...
0
votes
0answers
181 views

Covert Old Dovecot Configuration to New Format

I am trying to setup a very simple mail server with virtual domains with Postfix and Dovecot. I was following this steps to setup the postfix and first part it worked fine. ...
0
votes
0answers
97 views

gpg-mailgate removes content of e-mails

I have installed gpg-mailgate from this repository on my server as stated in the INSTALL file. It does seem to work, partially. As it would be expected, when sending an e-mail to an account on my ...
0
votes
0answers
50 views

Updated hostname of server but old hostname still appearing appearing in Postfix logs?

Been having some trouble with emails bouncing when being sent to certain addresses from our CentOS 6.4 Media Temple DV server. I am no expert but after checking the mail logs it appeared that they ...
0
votes
0answers
239 views

Mail spam error while sending mails using Gmail id via Postfix hosted on Amazon EC2 server

This issue is related to using my own SMTP server to send email by any user mail id like some other mail APIs do e.g; Amazon SES, MailChimp. I am using Postfix as a mail server for my applications. I ...
0
votes
0answers
182 views

CentOS Postfix/Dovecot status deferred conversation with 127.0.0.1[127.0.0.1] timed out while receiving the initial server greeting

Linux Kernel: Linux 2.6.32-504.16.2.el6.i686 on i686 RAM: 6GB OS: CentOS 6.6 Postfix 2.6.6 Dovecot 2.0.9 Relay Host Verizon Stunnel through 127.0.0.1:2525 Webmin 1.750 Virtualmin 4.17.gpl Multiple ...
0
votes
0answers
65 views

How to make Postfix SMTP TLS Optional?

Just did an [emergency] conversion from qmail to postfix last night - but now I'm getting people complaining that mail client errors are showing up stating "no available encryption methods available" ...
0
votes
0answers
119 views

Hotmail SMTP cache?

So this is an odd one ... Does Hotmail in anyway resolve and cache information for MX records or A records for individual email addresses? For Example: I setup a personal test bed mail server and ...
0
votes
0answers
80 views

Exchange with Postfix MX for technical accounts in same DOMAIN

I have organization configured with Exchange 2007 server with many technical accounts. I would like to migrate technical account to Postfix server with same domain At the moment my structure is: ...
0
votes
0answers
128 views

emails are coming from localhost instead of php sendmail_from

I'm trying to understand what I'm missing here. I have following PHP script: <?php ini_set('sendmail_from','XXX@XXX.TLD'); mail('YYY@YYY.TLD',rand(),rand()); ?> ... and even though I set ...
0
votes
0answers
26 views

Is there finer rate control for Postfix, e.g. 2/second?

I have managed to tune down postfix sending to one every second or one every five seconds. There's also an option to send only two or three concurrently. Is there any way to send two every second or ...
-1
votes
0answers
11 views

Postfix block domain but allow subdomain

I have a problem with my postfix smtp server. I want to allow our customers sending from our subdomain post1.bla.dk but block so that it's not possible to send from our main domain bla.dk through the ...
-1
votes
0answers
34 views

Forwarding email if user is not exist in Postfix

We have a domain (example.com) which is located on an old mail server. The old mail server cannot send messages to customers when the server loaded highly. Therefore, we have to configure a mail ...
-2
votes
0answers
14 views

Disable mail alert in linux VPS when log in

I have a linux VPS and recently I set up Postfix on it for mail service. Every time when I log in, I got "You have mail." in the log in message. I am wondering how can I disable that?