Free and open source mail transfer agent (MTA) that routes and delivers email

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0
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1answer
3k views

Postfix rejecting to address

I'm trying to setup postfix on ubuntu. I only want to allow sending of email from local connections with no authentication. When I try to send emails I'm getting the following errors: 550 5.1.1 ...
-2
votes
0answers
11 views

Can't recive mails on main domain Postfix [on hold]

How can I make in postfix recive mail on my domain? ex. here I wont revice mail: neko@domain.com not like this: neko@mail.domain.com Here is how I put in main.cf, but dosn't work mydomain = ...
1
vote
1answer
133 views

Postfix refuses to send mail to some recipients

I got a third-party application running on localhost trying to send mails with postfix via smtp on the same machine. The problem is that postfix seems to refuse mails to some recipients: Content of ...
2
votes
1answer
214 views

Postfix: Modify sender address based on recipient

We have a Postfix server that receives mail from our application servers. Senders are in the form user@host.fqdn (where host.fqdn can vary, depending on source server) and recipients can be internal ...
3
votes
1answer
105 views

Postfix - mixing virtual_aliases and virtual_mailboxes (catchall)

I'm running postfix (2.9.6) with dovecot (2.2.5) and I two domains: example.com as a virtual_mailbox_domain example.org as a virtual_alias_domain I'd like to set up two different catch-all rules ...
2
votes
1answer
23 views

Dovecot Sieve allows spoofing through LMTP

I have set up Postfix to block spoofing your email (you can only send emails as yourself): smtpd_sender_restrictions = reject_authenticated_sender_login_mismatch I have set up Sieve and ...
1
vote
1answer
26 views

Maildir “new” has messages but Inbox is empty

I'm installing a new mail server (Postfix/Dovecot+Maildir) in a fresh OS. Using Thunderbird (or Squirrelmail) I can send mails but my inbox is empty even when I can see them in ...
1
vote
2answers
722 views

opendkim incoming not verified

I've installed opendkim with postfix on Debian Wheezy. Outgoing mail is getting DKIM signatures. The smtpd and non-smtpd milter spec is the same. Incoming mail seems not to be verified - in a ...
1
vote
0answers
30 views

mail command no longer reads from /var/spool/mail/root [on hold]

Until half an hour ago mail command worked as expected. Now it says no mail for root. But I can still see and read my mail in /var/spool/mail/root. I don't believe I've changed any settings. I'm ...
0
votes
1answer
60 views

Possible to configure postfix for authenticated and non-authenticated sending?

I'd like to deploy a new (postfix) email service for my domain (example.com) to: allow sending email to ANY domain ONLY if the sender (our cloud applications instances) is authenticated (e.g. by ...
0
votes
1answer
51 views

postfix - hock - extracting information out of processed emails

The setup Linux, Debian Wheezy, serves as mail server for about 1000 users. Courier and Postfix installed in this box. Info about the server It is a postfix setup which drops the emails to the ...
0
votes
1answer
17 views

postfix/policyd-weight[11026]: warning: child: could not open RBL Lookup Socket to config

i have some problems with my postfix server. Here the error message from my mail.warn: Dec 24 14:43:36 serv postfix/policyd-weight[23064]: warning: child: could not open RBL Lookup Socket to config: ...
1
vote
1answer
35 views

Installation of Postfix and Dovecot Mail Server on Ubuntu and Postfix will not start

Information on the Mail Server Installation Process Followed... Hello I have a server with DigitalOcean that I am trying to install an email server on so I can add and manage email accounts. This is ...
0
votes
1answer
27 views

Postfix configure a gateway to outbound emails

I have a server configured with Postfix in my business office. I have another server at a hosting provider that I want to send all my outbound mail through. How can I do this. The only way I know its ...
1
vote
1answer
27 views

450 4.7.1 Client host rejected: cannot find your hostname

I have a Postfix/Dovecot email server which fails to deliver emails to some addresses. Here's an example of what is says: <xxxxx@board.com.ua>: host mail.da.net.ua[91.213.154.4] said: 450 4.7.1 ...
1
vote
1answer
21 views

Postfix DSN code explanation

Since few days ago I was unable to receive automatic emals sent from my PHP application. When I use Terminal to send an email to my @gmail address, everything works. When I try to send it to my ...
1
vote
1answer
34 views

postfix discard or change Message-ID header based on another header line

I want to change the Message-ID header or better yet, discard it. I know everyone is going to ask "Why would you want to do that?" because I know it sounds weird to even write it. Well I am ...
21
votes
5answers
163k views

How to correct Postfix' 'Relay Access Denied'?

This morning, in order to correct a problem with a name mismatch in the security certificate, I followed the recommended steps from How to fix mail server SSL?, but now, when attempting to send an ...
1
vote
1answer
29 views

roundcube/managesieve sends vacation replies only to local users

I've had a round cube / postfix setup with os x server (10.8) for some time working. Today we discovered that the vacation filter is only sending messages to local users. It was working some time ago, ...
1
vote
1answer
509 views

postfix sender_access does not reject

I am trying to stop spam from one sender. They each time uses another mail server. here is headers from original email (i replaced my email and host with: my-email@my-domain.com, sender email and host ...
3
votes
1answer
55 views

Postfix SMTP relay server

I use gmail to receive e-mails both from my gmail address and my own domain, but gmail no longer allows you to send e-mails from your own domain name unless you provide your own SMTP server to send ...
7
votes
2answers
162 views

Can't receive mails from Gmail

A few days ago Gmail suddenly decided to stop sending mails to my mailserver. I am using Postfix and Dovecot with an paid SSL Certificate running on Debian 7 with everything updated. My mail.log ...
0
votes
0answers
29 views

postfix always_BCC mail system configuration error

I'm trying to setup always_bcc to an archive account in order to copy all inbound and outbound mail into a mailbox that can be sucked up by a third-party cloud archive solution. Outbound, works fine, ...
4
votes
1answer
149 views

Postfix SMTP authenticated can send as anyone

The server correctly accepts/rejects the logins though dovecot's authentication mechanism, but after that I can pretend to be anyone when sending emails. smtpd_sender_login_maps = ...
2
votes
2answers
31 views

postfix relay based on origin

I have 4 servers. prod1.example.com, prod2.example.com, dev1.example.com, and dev2.example.com. They all send their mails to smtp.example.com. This server does the relay. Now I want that dev1 and dev2 ...
0
votes
1answer
45 views

Postfix: sendmail (php-cgi) with different IP as authenticated SMTP Users

my Postfix-Mail Server is delivering two main types of mails Mail recieved from php-cgi (sendmail), localhost relay Mail recieved from authenticated SASL SMTP Users Is it possible to define a ...
1
vote
2answers
2k views

Postfix: Using google apps for smtp errors

I am using postfix and need to send the mail using google apps smtp. I am getting errors after I thought I had set everything up correctly: May 11 09:50:57 zedsaid postfix/error[22214]: 00E009693FB: ...
0
votes
1answer
53 views

mailman refused relaying after update

After I updated my mailman installation the server is now refusing to send the messages... and I can not figure out why. (I receive the messages since my mail account is on the same server, but they ...
0
votes
1answer
52 views

Postfix forward incoming emails to mailin

I've setup the smtp server using postfix with dovecot on mail.example.com server running on port 25. And then I've also setup another smtp server using mailin (http://mailin.io) on mail.example.com ...
6
votes
1answer
62 views

How widely supported is forced TLS on inbound SMTP connections?

I run an MTA consisting of the standard Postfix, SpamAssassin, ClamAV, SPF/DKIM checks etc. This MTA is used for inbound email only, doesn't host any accounts and forwards any mail that passes said ...
0
votes
1answer
31 views

Postfix - Need to log email and then redirect to same user different domain

My goal is to add emails to a DB and then send them on to the user at a different domain. My mail server is hosted elsewhere using my domain, (me@example.com). TO get this working, I set up postfix ...
0
votes
2answers
1k views

How to set per user mail quota for postfix using policyd v2?

I have configured cluebringer 2.0.7 mysql httpd and all services are running well . But now i want to set per user mail quota for outgoing mails and want to restrict for a fix number of mail. I have ...
4
votes
1answer
39 views

Postfix address verification server not working

I try to use the Postfix address verification server, but I can’t make it work. Here is the content of my main.cf file, generated by a postconf -n command. I mark the four line I modified myself. The ...
13
votes
2answers
4k views

Automate the installation of postfix on Ubuntu

My system configuration script does an "apt-get install -y postfix". Unfortunately the script is halted when the postfix installer displays a configuration screen. Is there a method to force postfix ...
0
votes
1answer
29 views

Postfix: how to redirect a single email address depending on the sender

I'm trying to add a rule to Postfix. My goal is as follows: when anyone EXCEPT (server@example.com) sends an email to (info@example.com) forward it to (sales@example.com). If server@example.com is ...
1
vote
1answer
32 views

Postfix restrict all incoming mail to certain domains, then allow all for specific user addresses

We use Postfix for company email address's given to employees... all are of the format username@example.com. Basically I want to restrict all incoming mail to these addresses to only allow emails ...
-1
votes
0answers
4 views

Setting up a highly available Mail service with Postfix and ISCSI [migrated]

in an academic project these days we've got to set up a highly available Mail service with ISCSI and Postfix... For now i have a highly available ISCSI SAN and also a highly available Postfix server, ...
0
votes
1answer
1k views

Telnet to SMTP gets no 220 response unless user is specified

My server is setup to generate outgoing email only (no receiving), and is timing out when attempting to contact smtp.example.com Essentially the email is generated by a process on ...
0
votes
1answer
887 views

How to block sending mail from domain in postfix?

How to block sending mail from domain? I tried main.cf smtpd_sender_access = hash:/etc/postfix/access access blabla.com REJECT But when i send mail from blabla.com to somedomain, it ...
0
votes
2answers
928 views

Relay Access Denied - Postfix - Ubuntu

Been having a bit of trouble getting my Ubuntu server to relay my mail to external addresses. Here's whats currently happening: When I telnet locally to port 25 I can send email to any host just ...
11
votes
4answers
903 views

Is there any way to see if the mail sent by my server was received by the recipient server?

I've sent an important email that the recipient claims it wasn't received by them. They say that they asked their IT team to see if the email was received in their server. According to them the email ...
0
votes
1answer
18 views

How to scan mails with amavis from other mailserver

I have two postfix mail servers mailserver1 is running amavis to scan spam and virus mails mailserver2 is running without amavis. My question is how is the smartest way to use mailserver1 ...
0
votes
1answer
34 views

What is X-DKIM header for?

There are some emails with an X-DKIM header (next to DKIM-Signature) like this: X-DKIM: Sendmail DKIM Filter v2.8.2 DOMAIN SOMEVALUE However I am unable to find decent documentation for it. What is ...
-1
votes
1answer
37 views

Configure email SMTP Server on Apache2 [closed]

For a while we decided to use another Server (VServer "B") for our Mailserver. I transfered all email accounts and mailbox from VServer "A" to VServer "B". VServer "B" runs well and the clients are ...
1
vote
1answer
26 views

forward an exact copy of all mail to second archive mail server

I am setting up an mail server with postfix at the moment, and I am almost done with it. But I need to archive all incoming mails. My first setup was to set the sender_bcc_maps parameter and the ...
3
votes
4answers
220 views

Postfix e-mail addresses

I have setup postfix and everything works. But I would like one thing. I have a service ticket system, that should accept ALL e-mail coming in on address@support.example.com and then I have just ...
-1
votes
1answer
642 views

Linux - Dovecot - not receive emails - Connection refused

I try install Mail server on Ubuntu, I've installed dovecot server. telnet localhost 110 - correct telnet mail.example.com 110 - correct When I send email: echo "Testicek" | mail -s "Dovecot ...
1
vote
1answer
24 views

Postfixadmin does not work after update “Cannot redeclare hex2bin”

I had recently updated my Debian wheezy (7.7) and forgot to check all systems after that. So, I can't really say what the versions were before I upgraded or at which point it broke. When I tried to ...
2
votes
0answers
32 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 ...
3
votes
1answer
47 views

increase file size for log files from scripts started from postfix

I am using Postfix to run a script whenever a message is sent to a specific address. The script is a Perl script and it writes a log to a file using Log4perl. The log file is being rotated on a ...