Postfix is Wietse Venema's mail server that started life at IBM research as an alternative to the widely-used Sendmail program.

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3
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393 views

Permission problems. Can't retrieve inbox mails from dovecot

I got a VPS server at a webhoster which has CentOS 6.6 as operating system. Because I have multiple domains which are used by various people this server is going to serve multiple roles: nameserver ...
2
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1k views

How should I deal with smtp_relay_restrictions in postfix?

I just setup a mail server with postfix and dovecot, now I'm having trouble sending emails with evolution. e.g When I send an email to to@gmail.com, I got an error: NOQUEUE: reject: RCPT from ...
2
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131 views

Mails from my server goes directly to spam

I am running an ubuntu server with plesk panel, Mails sent from this server goes directly to spam folder. All records seems perfect like spf, DKIM, Domain key, PTR etc.. I'm really stuck with this. I ...
2
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494 views

Impossible to send mail to microsoft (hotmail, live …)

I cannot send mail to hotmail with my postfix server. I can send and receive mail from gmail and others, but not hotmail. I made an "Authentication Report" on auth-results@verifier.port25.com: ...
2
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282 views

Postfix/devcot MailServer - not receiving emails

I'm new to linux and unix in general, I've worked with a shared hosting provider over the years where everything was setup for me, including email. I'm now trying to create my own mail server in my ...
2
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427 views

Cannot configure Postfix to receive mail

I try to configure Postfix on CentOs 6. I can send mails from the server just fine, but cannot receive. The Delivery Status Notification that I get is: The error that the other server returned was: ...
2
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0answers
189 views

why is FQDN using external IP address

When postfix connects to the FQDN dur.bounceme.net it uses the external IP address: root@dur:~# root@dur:~# tail /var/log/mail.log Aug 28 04:39:45 dur postfix/master[6667]: terminating on signal 15 ...
2
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3k views

SMTP Auth - SASL on Dovecot, Postfix and CentOS 6.2 (and Open-Xchange)

I am trying to get open SASL to work on CentOS 6.2. I followed this tutorial: http://wiki.centos.org/HowTos/postfix_sasl I suspect it works perfectly for CentOS 5.x so all I really need is an update ...
2
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662 views

postfix queue file write error only when sending emails from smartphone

This might sound weird, but the thing is, that I cannot send emails from my smartphone even though it works from my desktop email client. I double-checked that the smtp settings are correct. This is ...
1
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40 views

postfix sender mailaddress rewrite based on recipient mailaddress

I use postfix to send out mails to my contacts. Usually I use the info address for this and I've set a rule to rewrite my internal address into a valid mail address. So for example me@localhost gets ...
1
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27 views

Postfix relay - Remove all traces of main node domain

I am using mydomain.com as the central server and myrelay.com as one of my SMTP relays. I currently have the following set to convert the headers. /etc/postfix/header_checks /^Received:/ IGNORE ...
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0answers
34 views

How to configure dbox mail storage format for a single mail account?

I'm using ldap database at backend and I want to configure my mail server such a way that one mail id i.e. info@domain.au will be stored as dbox format while other mails will be stored in maildir ...
1
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0answers
28 views

IMAP login not recognizing SASL while simple postfix send is

I've got SASLAuthd working (via LDAP), and am also successfully able to telnet via port 25 with my LDAP credentials. Postfix is configured with Dovecot. All 3 services are running fine (Postfix, ...
1
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0answers
166 views

All mail sent by Postfix is received as spam

I have a dedicated server on Server4You. The machine has Debian 7.8 and Plesk 11.5.30. On the server I have 2 web sites , each with its respective IP address. The problem is that all mail I send is ...
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45 views

Accept mails only for a certain address with Postfix

How do you configure a mail server to only accept mails on a certain address? For example, my mail server should only accept mail on example@myths.ops and not example@harpy.myths.ops. I've looked ...
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184 views

Postfix multi IP/Domain SMTP Helo'ing

We have Postfix running with two domain and each domain has own IP so it's isolated. But Spamhuaus blocked my IP and saying you are sending "localhost.localdomain" HELO I am already using ...
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0answers
124 views

/private/var socket not created with postfix/dovecot sasl

I'm currently running into a problem I have with my email server. I try to setup Postfix and Dovecot with SASL authentication but I get the following error when I connect with telnet (port 25) to the ...
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127 views

Unknown user in postfix (virtualmin)

I'm getting these mailer daemon errors when receiving email to support@domain2.com. Both domain1.com and domain2.com are main level domains in virtualmin. I can't understand why domain1.com is ...
1
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0answers
689 views

How to configure postfix to send mail to external SMTP server?

I have a machine with http://phabricator.org/ set up on it and I would like to set up postfix to enable e-mail sending to my company's mailboxes (as for notification emails coming from e.g. ...
1
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0answers
77 views

.forward file username and folder separator

I found (I'm learning how e-mail works) a .forward file in a user home folder; emails should be forwarded to mailboxes of other users. Email addresses are written in user+folder addressing notation, ...
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0answers
17 views

Postfix favors non virtual to virtual host

I have a linux user thomas and 2 domain names domain1.com and domain2.com. I have followed steps to have two virtual mail boxes /var/mail/vhosts/domain[12].com/ When I test and send an email to ...
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142 views

Postfix unable to send mail from mydomain only

My domain DNS is served by the domain registrar. I am able to send mail successfully from any address with postfix but not from mydomain.com From this machine - I only want to be able to send mail. ...
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498 views

Postfix configuration? problem

I try to configure mail server on my VPS. I try this tutorial but unfortunately I cant run it. My configuration files are exact the same I only replaced mydomain.com with my own domain. Also when I ...
1
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0answers
45 views

How to force email into queue?

I'm writing an application for Linux, and it needs to interact with the mail queue. Is there any way to force a message to be deferred?
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305 views

postfix expand ldap group AND afterwards resolve alias

We have a postfix server which has the user config stored in a openldap directory. Recently we also implemented ldap groups which are expanded by postfix. This works fine, unless the group expands to ...
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281 views

can't receive mails to thunderbird via postfix local server

A small introduction. I have a SMTP server ( Haraka - http://haraka.github.io/ ) on port 25 and a local postfix server on port 9267. I intercepts mails in Haraka and then I send them to my postfix ...
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57 views

Deliver emails outside network, from a server behind router DNS and port forwarding

I've been trying to configure webserver to deliver emails outside the local network. Server is connected directly to the router and relay on its DNS service, and one of that online service for resolve ...
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78 views

How come the postfix user can't even read its own files?

I have a Postfix configuration file. Let's assume it's named /etc/postfix/somefile.cf. I have run the following command as root to change ownership of the file to the postfix (105) user: ...
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141 views

Postfix, postges courier-imap / relay reject error on gentoo

I followed a guide to put together a server https://wiki.gentoo.org/wiki/Complete_Virtual_Mail_Server it went smooth with no real headaches. First domain works like a champ but adding a second domain, ...
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305 views

Local mail not arriving when sending external mail through an external SMTP server

I am in the process of setting up postfix. I want it to send external mails through a GMail account and have followed the tutorial: ...
1
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964 views

postfix + Cyrus SASL - cannot connect to saslauthd server: No such file

Everything is up and running and answer on calls but the login for postfix doesn't seem to work (it works for Courier IMAP, just not postfix). Here's the error output: Jun 30 22:22:10 HOST ...
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164 views

Ubuntu email: Wrong (and unexpected) postfix mapping

I am quite experienced with Linux but a beginner with email configuration and with postfix. On my desktop I have installed Ubuntu Linux 10.04 with package postfix 2.8.5-2~build0.10.04. I have ...
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301 views

Information about the 1630/master app

When I run $ sudo netstat -a --programs | grep LISTENING | grep 1630 I will get this output. Do you know what good are processes running under this app name? Why they I running on my system and if ...
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212 views

Locating mail users and setup for RT

We have an AD where I work which handles usernames/email, authentication etc and all the rest. I've been trying to find our 'support' email address on there but soon realised that it exists not on ...
0
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0answers
19 views

Postfix does not send mails until the service is restarted

When I restart my server, postfix starts up - I can verify this by doing postfix status. It says "the Postfix mail system is up and running." When I try to send an email from a PHP script after ...
0
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9 views

Postfix - domainkeys=neutral (no sig)

I have everything else working fine (SPF and DKIM) but I can't get domainkeys=neutral (no sig) to pass! domainkeys=neutral (no sig); from=foo.com; dkim=pass (ok) I know what some people are already ...
0
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0answers
19 views

Error 550 No Such User Here when sending mail to postfix server from certain servers

So, I've been doing a lot of Googling and researching, and I can't wrap my head around this. I set up a mail server using iRedMail. I'm not an incompetent Linux user, but I'm not experienced in the ...
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0answers
33 views

Modify multiple headers before email gets sent out

I send emails through a PHP script and want to modify the headers of the following X-Mailer-LID: X-Mailer-RecptId: X-Mailer-SID: X-Mailer-Sent-By: I am not sure how or what to change them to ...
0
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0answers
38 views

How to test spamming mail server

I've recently configured a mail server which sends emails with SASL authentication. Emails are sent primarily through php scripts using Pear. This is all working fine and dandy however I have seen ...
0
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0answers
38 views

Postfix connecting to itself

I have a weird issue with my postfix installation, also I'm having troubles to debug it because I'm new to the topic. When I check my log lines: postfix/smtp[29663]: A929510E76D9: ...
0
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0answers
12 views

Trouble with postfix configuration to communicate with ruby application

This could be such a wide range of things but i hope posting here would narrow it down, i have this application installed and running in a web browser https://bitbucket.org/naushniki/qamail/src and ...
0
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0answers
62 views

Centos 6 and postfix: Internal emails deferred / telnet timed out from SSH

The problem is, that I have a VPS with centOS 6 installed, and I can send emails to anyone, but my own exchange server, Apr 29 11:50:30 amazonnet postfix/smtp[16535]: 2B6FF3CC49A: to=, ...
0
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0answers
80 views

Postfix/Dovecot import mail from Gmail

I setup an iRedMail server on Ubuntu 14.04. My company currently uses Gmail but wants to switch to a cheaper solution. I set up the server with an LDAP DB, and I'm using Postfix and Dovecot for the ...
0
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0answers
45 views

Postfix problem with sending and receiving emails

I have had problems for one week with the email server Postfix. This came after running the antivirus ClamAV with the remove option on. When reading the mail log I keep getting the error message ...
0
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0answers
84 views

Fail2Ban: Sending Mails with CentOS 7 using postfix

I am seeking advise on how to get Fail2Ban installed and configured on CentOS7 using firewalld and postfix for sending reports. I am not in need and even don't want having a fully featured mail server ...
0
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0answers
41 views

how to use postfix alias for sending email

I am not this question has been asked or not, I have postfix running with MySQL and recently i have created "support@example.com" alias email to multiple folks get email, just like distribution list. ...
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35 views

Postfix: Send bounce message instead of NOQUEUE/error code

So I know this goes against default behavior and is technically backscatter, but this is what I need to do: Instead of an invalid user being rejected early in the SMTP chat with an error like this ...
0
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47 views

Flush Postfix mail queue

I'm running an old version of Postix (1.1.7) on my Red Hat Linux and I wanted to flush the e-mails from a specific recipient with postsuper, which comes with the postfix-perl-scripts package. However, ...
0
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76 views

postfix some users can send mail to the (distribution lists) and other users not

How can I do the following things: Some users can send mail to the mailing list (distribution lists) and other users not. For example: the everyone@mycomp.com will be able to send e-mails only for ...
0
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26 views

Mail exchange software

I need to allow users of my site to write emails to each other, without revealing their email addresses. Here’s an example: user1@gmail.com sends an email to user2-alias@mydomain.com, user2@gmail.com ...