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

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29 views

Not able to send mail via Ubuntu VPS

I'm having a Ubuntu VPs with zpanel isntalled on it. There is something wrong going with the mail. Im not not able to receive the mails from my contact form on my wordpress site ( the site is hosted ...
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1answer
28 views
+50

Postfix allows unauthenticated users to send emails

Hey I set up Postfix to use cyrus SASL implantation and I'm able to login and send emails, but I can still telnet on port 25 and send mails even if I'm not authenticated, which I whish to deny. ...
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21 views

Solving issue of similar user email account

I am using a VPS, CentOs 6.5, PostFix, Dovecot for hosting multiple email from different domains in my server. Which means, 5 different websites host their emails together. ex: info@some-company.com ...
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1answer
21 views

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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0answers
17 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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0answers
9 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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1answer
11 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
24 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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9 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
30 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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28 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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0answers
23 views

Blocking or filtering chinese spam using postfix

My mail server runs postfix, spamassassin, amavis and sieve. Using a combination of any of these, is it possible to block or tag any mail I receive that is written in non-"English" characters? I.e ...
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1answer
56 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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0answers
28 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
96 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
30 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 ...
1
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1answer
25 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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0answers
27 views

Issues with Z-Push configuration

I've got a mail server that I set up with a Postfix / Dovecot setup. I tried to install Z-Push as well, and everything seems to be working appropriately, but I'm having issues from specific devices. ...
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1answer
22 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
25 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
44 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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0answers
53 views

How to send mail from multiple domains in postfix?

I recently installed Webmin, Postfix, and Dovecot on a fresh Debian Wheezy system. Everything is working fine, except I'd like to know how I can configure Postfix to not only receive but also send ...
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0answers
34 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
131 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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0answers
54 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
36 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. ...
1
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1answer
171 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 ...
0
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1answer
115 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
20 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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0answers
42 views

Postfix sending email to sendgrid, blocked by csf

I am trying to send email from Postfix to sendgrid. I have installed Postfix to send email to sendgrid and I always get this error: cloud1 postfix/smtp[18265]: connect to ...
0
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1answer
30 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
56 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
66 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 ...
3
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2answers
448 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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0answers
513 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 ...
1
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1answer
34 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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19 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
62 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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0answers
45 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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0answers
22 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 ...
0
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1answer
47 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 ...
0
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1answer
51 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
94 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 ...
0
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1answer
108 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 ...
4
votes
4answers
374 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, ...
0
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1answer
34 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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0answers
737 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
157 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
98 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 ...
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1answer
335 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 ...