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

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5
votes
1answer
210 views

Roundcube & Postfix SMTP: SSL routines:SSL3_READ_BYTES:tlsv1 alert unknown ca:s3_pkt.c

I have a Postfix / Dovecot / Roundcube setup that I use personally, as well as provide to other users. I am attempting to transfer this entire setup to a new box, but having some issues. Mail ...
3
votes
2answers
36 views

Possible to configure postgrey to only graylist .com addresses?

Is it possible to configure Postgrey to only graylist .com addresses? e.g. essentially whitelist anything that comes from .edu, .org, .net, etc.? 98% of our spam comes from .com e-mail addresses, ...
0
votes
1answer
44 views

Multiple smtp servers postfix - one mail domain

How can I separate mail server into multiple physical machines using postfix? I wish that some users were on one server and some on the other and that there were no problems with the verses 5xx. I ...
1
vote
1answer
32 views

postfix quota postmaster daily mail

I've got an server with Postfix/Courier and Quota. Now I receive a daily update from quota. 2 questions: Where do I disable this daily update as it's always a blank email: DAILY QUOTA REPORT: ...
-2
votes
2answers
50 views

I can't recive emails and all outgoing emails go to spam folder

I recently bought a VPS server at OVH.com to host the web of one of our business and I'm having problems to correctly configure the DNS to be able to send and recive emails. Right now i can't send ...
-1
votes
0answers
42 views

Postfix sender address validation by regex pcre

This topic is similar to How to enforce sender address to be “logged-in-user@example.org” in Postfix? , but in my enviroment it is not worked as expected. Then i am use web interface (roundcube) it's ...
0
votes
1answer
47 views

Getting error TLS not available when connect via StartTLS

I am trying to configure TLS on my mail server (postfix+dovecot on debian). But whenever I try to send via StartTLS, I've got this error message telnet localhost 25 Trying ::1... Connected to ...
7
votes
1answer
181 views

GMail bouncing mail sent over IPv6, IPv4 working

I have trouble sending email to GMail addresses using IPv6 from my domain camgirltools.net If IPv4 is used, everything works as intended, the mail is delivered. When using IPv6 to send mail to GMail ...
-1
votes
0answers
28 views

Remove server from gmail spam (mail-tester.com score 10/10) [duplicate]

I tried searching on google/serverfault etc. But still havend found any solution for my problem nor a good direction to find a solutions. Recently i cant seem to send email to g-Mail users from my ...
0
votes
1answer
103 views

postfix fails to send mail with “fatal: unknown service: smtp/tcp”

I have installed postfix, and when I tried to send a mail to gmail it told me that it has been sent, but when I checked my inbox in Gmail I didn't saw it. This is how the connection looked like: $ ...
2
votes
1answer
25 views

Postfix with Dovecot: local and virtual users

I just finished setting up a Postfix SMTP and Dovecot IMAP/POP3 server. It works perfectly fine for virtual users both sending and receiving, but I need to do the following: Besides virtual users ...
1
vote
1answer
51 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
0answers
61 views

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

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 ...
2
votes
1answer
51 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 ...
0
votes
1answer
44 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
109 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
39 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
164 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
43 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
56 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
66 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 ...
3
votes
1answer
100 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 ...
4
votes
1answer
163 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
35 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 ...
7
votes
2answers
427 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
76 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, ...
8
votes
2answers
103 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 ...
4
votes
1answer
44 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 ...
0
votes
1answer
48 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 ...
1
vote
1answer
69 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 ...
0
votes
1answer
38 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 ...
0
votes
2answers
105 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
83 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 ...
0
votes
1answer
65 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 ...
1
vote
1answer
27 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
47 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 ...
12
votes
4answers
959 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 ...
1
vote
1answer
98 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
53 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
57 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 ...
-1
votes
1answer
59 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 ...
0
votes
1answer
51 views

Postfix 'Too many hops' bounce back

When trying to send test mail my server gives me a 'too many hops' bounce back Error 554 5.4.0 Error: too many hops (in reply to end of DATA command) main.cf # See ...
0
votes
1answer
55 views

Make postfix not send bounce emails when rejected by Cluebringer (policyd v2)

I have recipient throttling (quotas) enabled on cluebringer and it's working well. However, every time someone is being throttled, postfix sends back a bounce mail. I do not want it to send back a ...
-3
votes
1answer
43 views

Postfix Refused on 587

Postfix is refusing connection on port 587 when delivering mail. Here are my config files: main.cf # See /usr/share/postfix/main.cf.dist for a commented, more complete version # Debian specific: ...
1
vote
1answer
38 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 ...
1
vote
1answer
39 views

Postfix does not trigger my before-queue milter script

I can't get the milter triggered when a new email is accepted by Postfix before-queue. Obviously, I don't do something properly but I can't figure out what. I have the following setup: Ubuntu Server, ...
0
votes
1answer
66 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
90 views

How can I disable local mail delivery in Centos?

I want to disable local mail on my Centos VPS because the I have a web form (on a website which is hosted by the VPS) which is delivering mail to the local mailbox rather than looking at MX records to ...
0
votes
1answer
50 views

Website Contact Form stopped working when I moved mailserver [duplicate]

I have a Centos server with ZPanel Installed. This server is used for hosting a website. Previously, I hosted mail on this server using a "Roundcube" mailbox however, I moved to exchange therefore, I ...
1
vote
1answer
31 views

Why does NIS map error prevent postfix from resolving local alias?

Postfix quit sending me mail from an Ubuntu 10.04LTS server. I spent an hour to two checking /etc/aliases, running and re-running sudo newaliases and sudo postfix reload, web searches for my issue ...