Free and open source mail transfer agent (MTA) that routes and delivers email. When asking about postfix problem, please include the relevant maillog lines and output of the following command: "postconf -n" (content of main.cf) and/or "postconf -M" (content of master.cf)

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1
vote
1answer
71 views

opendkim-testkey: keys do not match

How do you produce the 'default._domainkey.drpedroazevedo.com' file? I deleted mine because my key expired and opendkim-keygen did not produce a new one as expected. mlr01 keys # ...
-5
votes
2answers
41 views

Is it possible to use Gmail for transaction email?

We currently use Gmail for our support email. For transactional email (reset password, etc) we just use default Linux Postfix server on our Amazon Web Serivce EC2 instance. My question is would it ...
-1
votes
1answer
38 views

Outbound mail queue lifetime standard

Description: I am trying to setup an email server with qmail and postfix as a MTAs. I am using postfix to handle my outbound mail flow traffic. Problem: I have set postfix maximal_queue_lifetime ...
0
votes
1answer
46 views

Catch all emails and pipe them all to a script with postfix

I realize this question was asked and answer before. Here's what I have done. Created a catchall address and user. Here is my /etc/postfix/virtual file. @example.com catchall Added it to main.cf. ...
-2
votes
1answer
118 views

Configuring Postfix relay gmail but why get tatus=deferred (SASL authentication failed; cannot authenticate to server smtp.gmail.com[? [duplicate]

Here is the story, I would like to use POSTFIX relayhost config to send mails to gmail. I use 2-step Authentication and change and double check password and username. everything looks fine in ...
1
vote
1answer
85 views

Postfix → Dovecot LMTP: User does not exist: uid@domain

I am trying to have Postfix deliver local mails via Dovecot's LMTP (among other things to replace procmail with sieve). Up to now, I've been using mailbox_command = procmail - a "$EXTENSION", ...
-2
votes
1answer
46 views

How to forward catch-all emails to another domain/email with postfix? [closed]

I am totally newbie with email postfix (any email server) but I would like to do this: Example: - all incoming emails for @domena1.sk forward to ciel@domena2.sk - all incoming emails for @domena3.sk ...
1
vote
0answers
50 views

Windows 8.1 Mail Client Sending via Postfix

I have a postfix server setup to accept outgoing mail from STMP authenticated clients. It has been working this way for many years with success for a large number of different e-mail clients. ...
0
votes
1answer
142 views

Postfix forwards to Gmail being rate limited even with unmodified headers

I've installed Postfix on Ubuntu 14.04 with the defaults. I then configured some virtual aliases to forward email from a few addresses to various personal (mostly Gmail) accounts. This is just to make ...
0
votes
2answers
116 views

Postfix configuration with Dovecot, MySQL, and SpamAssasin

I am relatively familiar with Debian and have been trying to setup a mail server with this tutorial. Now i have gone through all the comments provided on the website to try route out the problem but ...
2
votes
1answer
82 views

Limit concurrent connections to Postfix server

I'm having trouble limiting the number of concurrent connections from the same client to my Postfix server. Limiting the maximal number of concurrent processes, from the same or different clients, is ...
4
votes
1answer
109 views

How to block attachments on incoming mails only using Postfix?

I have a mail server (CentOS 6.5) running Postfix and Dovecot Postfix is listening on port 25 for inbound mail and 587 for outbound mail The problem is outbound mail with pdf attachments are being ...
0
votes
1answer
46 views

Postfix check hosted sender domain [closed]

On my server I have this problem: there are mails sent from, example, johndoe@domain.com even if domain.com isn't hosted on my server. And, obviously, there is no johndoe@domain.com among the e-mail ...
0
votes
1answer
40 views

configuring .mailrc for multiple Maildir users

In a CentOS 7 server with postfix and mailx, my ~/.mailrc file contains: set MAIL=/root/Maildir set folder=mail This enables mail from the root user's Maildir to be reviewed when the root user ...
0
votes
0answers
16 views

Rogue PHP Script recreating itself and sending emails [duplicate]

I have been struggling with this issue for many months now. The primary issue is that every day or every other day, a new php script springs up into our Apache server (built on CentOS 6) and the ...
1
vote
1answer
40 views

Set postfix to relay email from a network interface

I'm running postfix on a system that has several external interfaces and several internal interface, and I want postfix to accept email for local delivery from the external interfaces and accept email ...
2
votes
1answer
158 views

cannot find postfix/mailx email in maildir, why not?

In a CentOS 7 development machine, I have configured postfix to allow emails to be traded between localhost addresses. Mailx is also installed. I am able to send email, and the log files indicate ...
1
vote
1answer
31 views

Postfix pipe mail at user level

I am trying to filter mail at the user level. I have CentOS and Postfix installed. I managed to install a filter on the server and its working great, except, instead of filtering by user, all emails ...
-3
votes
3answers
54 views

Ubuntu Mail Server: create default mail folders [closed]

Now I have the mail server working IMAP mode. I'm interested in configure the mail server in order to set default mail folders (like Inbox, Trash and Sent folders) per mail account. Is there a way or ...
2
votes
1answer
38 views

Where does DSPAM fit into the chain

Is there any postfix guru here who knows that after a mail gets into postfix what's the order it gets forwarded between the internal filters and components? As I figured: 1, Postscreen 2, Recipient ...
1
vote
2answers
74 views

Postfix & Amavis - Use UNIX Soket for Communication

I currently using a complex mailserver setup using Postfix, Dovecot, Amavis and Spamassassin. Everything works fine but I want to improve the Postfix-Amavis-Communication. At the moment, postfix will ...
1
vote
1answer
54 views

per-user transport with postfixadmin

We have a traditional postfix/dovecot/postfixadmin setup for mail delivery and imap access. We would like to use a mixed setup with Google Apps in the future, and use their mail service for the major ...
1
vote
1answer
30 views

Set inet_interfaces for each postfix service

I have a complex postfix setup with dovecot authentication, amavis and spamassassin. The inet_interfaces are set to my IPv4 address, IPv6 address and IPv4 and IPv6 loopback. But I want that the ...
1
vote
1answer
56 views

Block sender after sending to n non-existent email addresses

I have a domain that I use for my email. There are a couple of actual email addresses there, and everything else goes to a catchall. I use the catchall so I can create email addresses on-the-fly, like ...
1
vote
1answer
136 views

postfix error looking up passwd info (catch-all)

In postfix I'm trying to setup a catch-all address for unknown local accounts. Any mail that can be delivered to a local user should be delivered to their local mailbox (and respect any aliases in ...
1
vote
2answers
53 views

should multiple servers each run a full postfix stack, or use one central mail server

I have a collection of servers that will each have their own tasks. web server, billing server, game servers. Each of which will need to either send customer facing email, or simply send it's system ...
1
vote
2answers
177 views

Postfix - Dovecot - Can Send Emails But Wont Receive - NOQUEUE - Relay Access Denied

I have set up a mail server on ubuntu. Ive checked ports are open and I've double checked all config files, checking with every google search result I could find. Most of the similar posts have more ...
3
votes
1answer
55 views

Relay email for some addresses, forward for others with Postfix

I administer a domain (let's say example.com) for a client who uses an Exchange server at an external service provider for email. So I made the MX record point to the Exchange server, let's say ...
5
votes
1answer
478 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
42 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
57 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
37 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
74 views

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

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 ...
0
votes
1answer
58 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
230 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 ...
0
votes
1answer
224 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
80 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
76 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
96 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
74 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
60 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
293 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
47 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
508 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
72 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
76 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
103 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
145 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
175 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
46 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 ...