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

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Domain [ Understanding ] issue when creating a Linux email server

Ok, here goes my paradoxical question. For about 1 year into my hobby-ish career, I used to buy my domains and a hosting package from Reseller Club. I purchased their " shared hosting " plan and ...
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27 views

Client computer blocked by postfix

I have been trying to connect from a Windows client computer to a Postfix server running on a Suse Linux Enterprise 2012 SP3 but it has been completely impossible. Connection is not possible either ...
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1k views

Roundcube login error

Using postfix, courier-imap, courier-pop, roundcube I get this error when trying to login through the roundcube web login: [08-Apr-2014 11:44:04 +0000]: IMAP Error: Login failed for user@domain.com ...
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24 views

Postfix with two vhosts

I've got this problem: I installed postfix (v. 2.10.2) on Ubuntu 13.04. I've got there two vhosts with two different sites, for example: aaa.com and bbb.com. Got those domains connected with google ...
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1answer
2k views

What permissions on /var/mail directory?

I've been suffering a permission problem in Postfix/Dovecot for a couple of days now. The setup is using virtual domains and users, so the path to user's home is /var/mail/<domain>/<user>; ...
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249 views

Postfix/Courier - list known email accounts or addresses

I'm trying to set up an IMAP server. Its a new server in a migration. I thought I completed all the steps from Virtual mailboxes with courier-imap and postfix, but apparently I have missed something. ...
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1answer
1k views

Can postfix forward all outbound email to a relayhost except for local user-to-user email?

On my home Ubuntu box, postfix is configured to relay all outgoing email to outgoing.verizon.net. Unfortunately this includes local user-to-user email (e.g., from local cron jobs to me, or from me to ...
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186 views

Postfix: Block all inbound and outbound access but allow all for one user

How can I restrict access for an internal domain but allow all access for one user, say the admin of a domain? All users should be blocked from communicating outbound and no external domain may ...
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1answer
506 views

Mailman + Postfix: unknown user

I set up postfix + dovecot and know that I want to have mailing lists I decided to install mailman. Everything is working except that I cannot send emails to my mailing list (and this is quite ...
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134 views

Ubuntu Server 13.10 | Postfix 2.10.2 does not read smtpd.conf

I would like that my Postfix accepts only LOGIN and PLAIN authentication methods (or methods as first). I did following changes in configurations files. /etc/postfix/main.conf Code: # SASL ...
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1answer
525 views

Postfix is Sending Spam [closed]

I have an Ubuntu 12.04 server, hosted on AWS, that powers a dozen WordPress installations using Nginx and php5-fpm. The problem just began one day. My server was down. Panic! Whenever I turned it on ...
2
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1answer
315 views

Bulk-deleting inbox mails managed by POSTFIX

Had an issue several hours ago with a client mail account, which got compromised. As a result, he had hundreds of thousands of spam queued in postfix, which lead to several issues. Everything's fixed ...
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1answer
52 views

unable to delete/mark-read emails

I think there is something wrong with the folder-path configuration, but I am unaware how to solve this. I can send/recieve mails over IMAP with my mail applications, but no emails will go marked as ...
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1answer
33 views

Disabling sentbox in postfix over Squirrelmail

I have installed POSTFIX over Squirrelmail on CentOS Linux... The services I have ran are: service httpd service ssl service mysql service postfix service saslauthd service dovecot But I want to ...
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1answer
427 views

Mixing virtual forwards and virtual mailboxes in postfix

I am setting up a postfix server. The first thing I tried was to deliver mail to virtual mailboxes: main.cf [..] virtual_mailbox_domains = /etc/postfix/virtual_domains virtual_mailbox_base = ...
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1answer
1k views

Postfix: relay mail to smart host for specifc users

Currently i have a VPS that has a host of email accounts on for several domains. most are simple and have all local mailboxes. but i have one user that wants to have a hosted exchange account but ...
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132 views

Email Spoofing - Bounce back messages

A client of mine (onto my mail server) receive back some bounces for mails that he haven't never sended to non-existent addresses. Of course, inspecting the header, the outgoing server isn't mine. I ...
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3answers
2k views

Debian sendmail Cannot write

I had a working sendmail configuration on my debian server, i tried to put a postfix to receive email but abandoned, remove postfix, re install sendmail but nothing work anymore :( here is my ...
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1answer
253 views

Changing X-Original-To: header in postfix

I am using a virtual file with my postfix to redirect all mails coming to my domain to a user My virtual entry looks like this @domain.com root Now the X-Original-TO header shows root@domain.com. ...
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1answer
92 views

Understanding Postfix and Courier IMAP

I'm setting up my own mail server, and I'm very new at this... and I'm getting lost. I need your help in determining some parameters the way I know them already, because the configuration is huge. ...
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2answers
6k views

Monitor Postfix outgoing mail delivery

I'm using GNU Mailman with Postfix to run a mailing list, and would like to monitor the delivery of outgoing mail, that is: for each mail sent from the list, check whether a 250 (OK) message was ...
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1answer
2k views

Cannot connect to pop3 or imap with Dovecot

Connections are refused on my server. Note: I am trying to connect from localhost here. Command I'm trying to use to test: user@hostname:~$ telnet localhost pop3 Trying ::1... Trying 127.0.0.1... ...
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0answers
48 views

Simple multi-domain email management under linux

I was looking to a way to deploy a simple email ecosystem, with postfix, dovecot and antispam/antivirus milters in a fast and easy way, without configuring them one by one manually. I saw iRedMail, ...
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1answer
96 views

Where are the docs for solid-pop3?

I'm trying to install solid-pop3d on an Ubuntu server, but I am having a very hard time finding anything online by way of documentation. I've heard that the project is very active, yet there does not ...
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2answers
167 views

Simple postfix relay server

I want to set up a postfix server that relays emails to another email address. I have an ubuntu server set up, a domain name (myvps.be) and a database of users. I want to make it so that when ...
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1answer
277 views

Using both maildir and .forward for postfix

I have a postfix server for handling mail, and trying to finalize my user configuration. If I put a .forward file in a user home directory to redirect his mail, it works. If I remove it, to use the ...
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2answers
6k views

Changing default from e-mail address for system accounts when using sendmail

I would like certain system accounts (root and www-data) to have the header From: Example Company <noreply@example.com> when e-mail is sent using either the mail or sendmail commands, or from ...
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1answer
2k views

Postfix: SMTP, use port 587 rather than 465

I have set up a mail server on AWS EC2 using the instructions from Flurdy: http://flurdy.com/docs/postfix/ it has mostly gone well. My issue is that I would prefer to use SMTP port 587 with TLS ...
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1answer
181 views

gmail reply to forwarded mails fail

I have a mail server postfix, and for an account i forward mails to gmail. user1@domaine1.com => user@gmail.com The forward works, but in gmail when I try to reply to forwarded mails I have a fail : ...
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20 views

Remote reconfig email clients from mail server

Today I got very interesting info. My friend use Outlook and Android Email application for using mails. Strange thing happed that Mail Administrator changed passwords for accounts, and without sending ...
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1answer
322 views

Disable Clamav / Amavis / SA in Postfix on Debian

I would like to disable Clamav / Amavis / SpamAssasin in Postfix on Debian Squeeze 6.0.8 as I have I outsourced my AV to other server. I tried commenting content_filter and receive_override_options ...
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117 views

Postfix receives mail, seen in /Maildir/, but no mails when connecting through Thunderbird (IMAP)

/var/log/mail.log seems fine to me Dec 10 16:30:21 server dovecot: imap-login: Login: user=<mailtest>, method=PLAIN, rip=my.ip.addr.xxx, lip=ser.ver.ip.addr, mpid=23682, TLS, ...
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62 views

Query regarding smtp_fallback relay in postfix

I have 3 postfix instances in my server. I am trying to configure my server in such a way that, the deffered mails in 1st instance need to be relayed to the 2nd instance. Thereby i can reduce the ...
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1answer
90 views

configure postfix mail server in ubuntu server

Is that possible to setup postfix mail server in my system(ubuntu server) with the details I have domain name e.g: testdomain.in testdomain.in is pointing to xxx.xxx.xxx.xxx(our cloud based windows ...
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1answer
65 views

DKIM configuration on Debian

Due to the fact that many e-mails we send with our company address do not get delivered, rejected or marked as spam, I searched for a solution on the web. One of the solutions I found was to use DKIM ...
2
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1answer
233 views

can not receive mail by own created mail from gmail

I want to create my own mail ID like myname@mydomain.in instead of paying extra to google for extra mail ids as I have already myname@mycompany.in. Things I have are mydomain.in(I paid for this ...
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1answer
159 views

How to use a different SMTP mail relay for sending emails with a message size over 10MB

I use Amazon SES as a mail relay service for my emails as my server host blocks connections out on port 25. SES works great, however occasionally users send large attachments (>10MB). Whilst I could ...
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4answers
1k views

What all is required for email from my server to pass through spam filters?

I have a serverbeach server with postfix installed. The hostname is something like p3204059.pubip.serverbeach.com The FQDN is specified as NONE for the server itself. I clicked change ptr record, ...
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1answer
59 views

ip set for smtp mail failed

I config smtp server with postfix , and Debian 6. I set 1 ip from 4 Ips of server for smtp server mail.mydomain.com xxx.yyy.zzz.hhh but when I send mail with smtp server , Destination server ...
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4k views

Postfix smtp send error - what's wrong here?

I am currently setting up a new virtual private server with Debian Wheezy. I managed to install postfix, dovecot (IMAP) and MySQL. Up to now, I can successfully login via SSL with an external mail ...
0
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1answer
441 views

Redirect 'host-based' requests to a port (inside a docker container)

I'm trying to achieve this fun project of having multiple 'postfix/dovecot' instances inside a docker container. I'm searching for 'something' that would redirect any incoming request on port 25 ...
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3answers
240 views

Every minute incoming, rejected connections to SMTP

I have a feeling my server is being lazily DDoS'ed, though, I have never experienced it before, so, I may be wrong. Every minute, my journal logs the following 3 entries: Nov 05 21:10:47 ...
2
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1answer
635 views

Piping inbound email for specific users through a script with postfix

I'm trying and failing to setup postfix so that inbound email to a specific address is piped through a script. It's all new to me, and I think I'm simply failing to understand the complexities of ...
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1answer
6k views

Email test deferred (mail transport unavailable) with ClamAV

I'm trying to set up a simple new mail server; when I send a test email to the server the email is getting hung up during delivery (user mapping is found) and the email is never found in ...
2
votes
1answer
11k views

NOQUEUE: reject: Relay access denied

I recently setup a mail server following the instructions on linode.com (https://library.linode.com/email/postfix/postfix2.9.6-dovecot2.0.19-mysql) except I am using postgreSQL instead of mySQL. ...
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1answer
610 views

Postfix: change recipient_delimiter with virtual_mailboxes

I have an email setup using Postfix, Dovecot, PostgreSQL. I am trying to change the recipient_delimiter to be - (dash) instead of + (plus) but the address are being rejected. In order to get the + ...
2
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1answer
428 views

postfixs email rejected with forged ehlo/helo error 550

i have multiple ip addresses and domains and configured postfix to use the correct ip address according to the sender-address using a map now there are still servers answering with a forged 550 but i ...
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0answers
423 views

mozilla thunderbird can receive emails but cannot send (imap/postfix)

i run a dovecot imap server on an ubuntu 8.04 machine (old, i know, but there's no chance of an upgrade any time soon). anyway, all was working smoothly until i rebooted the server the other day and ...
0
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1answer
806 views

Mail server configuration on Ubuntu 12.04

This is kind of a basic question and it might sound stupid but I am new to this whole mail server thing and I am trying to learn how to setup one. I have a VPS server which runs Ubuntu 12.04 ...
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1answer
246 views

Postfix error logs with random emails on my domain

I was trying to figure out why my MySQL service keeps crashing, and a quick look at the logs shows hundreds of postfix errors like this: postfix/smtpd[59256]: NOQUEUE: reject: RCPT from ...