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

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-2
votes
0answers
21 views

Postfix mails are being queued

i'm building a local dns and mail server for a school project. It does not have to go online. Now I configured the dns with a mail server and I can dig the domainname, and search it with nslookup in ...
-1
votes
0answers
11 views

How to send email from home ip when the email server isn't a designated outbound mail server allocated to BT Retail customers [on hold]

(I am sys admin, and I found an answer, so put it in the comments.) I can receive email, but when I try to send an email from my home office via our work email server I get the following reply: ...
-1
votes
0answers
9 views

Inbox lock for exclusive access [duplicate]

-I found server logged into mailbox on my smtp server -This server released connection for inactivity after 10 minutes. -in the 10 minutes between logged in & disconnected for inactivity, 3 ...
-2
votes
0answers
36 views

My smtp server is spammed? [duplicate]

I have a server and the postfix client on it. Since several days, I noticed a lot of processes running there. When checked, there are a lot of emails sent. Here is an example from the mail log: Aug ...
0
votes
1answer
24 views

Fetch new Mails (Also from Subfolders) from another IMAP server as new Mail in Postfix

everyone. I have installed Postfix on a server with Aliases and Domains from a MySQL Database. It is configured to forward some adresses to other Mail Accounts and also delivers some mails in local ...
0
votes
2answers
27 views

Dovecot pop3: Disconnected for inactivity

We've application fetching messages from mailbox inbox. Once, application stoppped fetching, then we'd the following in maillog: Aug 15 11:03:47 server_name postfix/virtual[16743]: 731E258003: ...
-1
votes
0answers
18 views

POSTFIX dont send mails ? 554 5.7.1 <test83208320@gmail.com>: Relay access denied [on hold]

Hi I read a lot of topics here but still can't find solution of my problem here is mail.log: Aug 17 10:12:13 176-9-14-139 postfix/smtpd[4492]: warning: database /etc/postfix/virtual.db is older than ...
1
vote
1answer
31 views

Unable to lock error message in SMTP Server

I've the following error message appeared 3 continuous for the same mailbox > (delivery failed to mailbox > /var/spool/postfix/vhosts/<user>/mail/inbox: > > unable to lock for ...
-5
votes
1answer
27 views

Mail remove by postfix Centos 6.5 [on hold]

I use Postfix for sending local mails over another relay (gmx). But the gmx-Servers block my Mails with 550-Requested action not taken: mailbox unavailable 550 invalid DNS A/AAAA resource record. What ...
0
votes
1answer
42 views

Issue with receiving emails via Dovecot/Postfix

I'm trying to set up roundcube on my server which seems to be working fine. I have gone through all of the steps and it allows me to send outgoing emails perfectly fine (tested that with yahoo), ...
-1
votes
1answer
13 views

postfix how to setup local domain users as virtual users

How can I set up local domain users as virtual users? I have setup virtual domain and the users but when I sent an email it keeps telling me "User not found". To test to see what the problem is, I ...
0
votes
0answers
16 views

How to setup BATV with postfix?

I have successfully setup SMTP server and added SPF records, DKIM, and rDNS for my domain, yet my emails still go to spam in Yahoo and Outlook.com (GMail worked fine after DKIM). I have read a lot in ...
-1
votes
0answers
34 views

Postfix accept all incoming mail and relay [on hold]

I am currently trying to setup Postfix to accept all incoming mail and forward it to a external mail address without storing it. This will be used to analyse spam. I have found a way to accept all ...
0
votes
1answer
51 views

cannot connect to postfix with a mail client

I have been trying to setup MX in my server and was able to get the IMAP part working under SSL using Dovecot, however I can't get the SMTP part working using Dovecot as the SASL Authentication. When ...
1
vote
0answers
19 views

Crond stopped sending e-mails for no apparent reason [duplicate]

I have a cron job that I want to run just once a day (executes a rake task), but while I'm testing it I have it set to run every 5 minutes. It was running perfectly fine this morning and sending me ...
0
votes
2answers
25 views

Open Postfix or Sendmail to all IP's

Can I configure Postfix or Sendmail to allow all IP's without authentication? I understand that this could lead to all sorts of abuse. We have some monitoring systems that send notifications out via ...
0
votes
1answer
50 views

Postfix acting as spam server. Looks like it's part of a botnet, spam messages being sent to customers [duplicate]

Let me first start out by saying I am no mail guru. If you need more info to help me just let me know. This week the mail server has been having all sorts of strange issues. It has been duplicating ...
-1
votes
2answers
113 views

Use postfix and spamassassin packages on CentOS 6 to reject SPAM - without custom users and scripts

Here is what I'm trying at my CentOS 6.5 Linux server: Installed postfix and spamassassin packages Configured Postfix - it works well (I omit details here) Added -x to the SPAMDOPTIONS in ...
1
vote
2answers
32 views

Dovecot/Postfix cheat on an email that I wrongly received

I played with /etc/aliases and received the email of a coworker. I would like to put it back on his mailbox. Is there a way to do that cleanly ? I don't want to transfer the email, and if possible if ...
0
votes
1answer
20 views

Postfix accepts unauthorized requests

Here is an excerpt of my Postfix configuration: broken_sasl_auth_clients = yes smtpd_sasl_type = dovecot smtpd_sasl_path = private/auth smtpd_sasl_auth_enable = yes smtpd_relay_restrictions = ...
-3
votes
1answer
36 views

Rainloop: arbitrary sender address? [closed]

I just set up my mailserver (Postfix as SMTP and Dovecot for IMAP) and as web frontend I use Rainloop - which also works very well! My setup is that I have only very few real users (actualy at the ...
1
vote
0answers
35 views

Postfix: How to use a simple script to map recipient addresses 'virtual_alias_maps'-style?

I would like postfix to consult a simple (bash/python) script in order to find out (virtual_alias_maps - style) before-queue whether or not a recipient address it legitimate. E.g. i'd like to use mail ...
0
votes
1answer
32 views

Connect to private/auth failed: No such file or directory

I've setup postfix, dovecot and roundcube. receiving and sending email via roundcube is working as well as receiving emails via imap with another email client. But I'm not able to send emails with an ...
-1
votes
1answer
38 views

Posfix pipe all incoming emails to PHP… NO REWRITING [duplicate]

I'm trying to get Postfix to pipe ALL email coming in on a specific domain to a PHP script. So far I've been able to do this via a tutorial I found on the web and also editing the /etc/postfix/virtual ...
0
votes
0answers
14 views

DSPAM not being called on some emails with Postfix

I have Postfix/DSPAM set up, and it works properly almost all of the time. Most messages have DSPAM headers. However, every day it seems like a little bit of spam gets through without DSPAM headers, ...
0
votes
1answer
50 views

Mails going to spam. Please see the details [duplicate]

My hostname is properly set up. Host file has proper entries. Mail header shows SPF pass. IP is not balcklisted. Mail body is also fine. Only thing don't have is DKIM setup. Now I have got two ...
-1
votes
0answers
13 views

service postfix status = -b (pid 11289) is running

Before integrating mailscanner and clam antivirus the output of service postfix status was => master (pid 12151) is running... after integration the output of service postfix status is => -b (pid ...
1
vote
1answer
59 views

Postfix on CentOS 7 cannot authenticate against cyrus saslauthd

Postfix fails to authenticate against cyrus saslauthd. However, saslauthd itself is willing to authenticate. What am I missing? From syslog mail facility: Aug 5 14:47:26 centos7-msa-test ...
0
votes
1answer
49 views

Spam - individual user

I have a bit of an issue with a users inbox in that a lot of spam is getting through for him alone. We use Amavis/Postfix and SA in our mail setup. Config setup like this: Config: ...
1
vote
1answer
42 views

Postfix: sender-dependent-relay and mail for host

I'd like to extend my configuration of postfix to be able to receive mail for my domian. Currently, I've set up postfix as a smarthost which accepts mail after authentication and forwards it, ...
0
votes
0answers
51 views

Postfix mail: Can't forward email to an extrenal email address

I am able to mail to an external email address i.e mail -s "New Testmail" name@gmail.com but I can not successfully forward a mail sent to root root@DS1513:/var/log# mail -s "New Testmail" root A ...
-1
votes
1answer
53 views

Postfix sends as hostname.domain.com instead of domain.com

I've been trying to set up a debian mail server running postfix, but when I try to send mail via mail example@outlook.com the recipient sees the sender as hostname.domain.com. The hostname it sends ...
-1
votes
1answer
30 views

Postfix cannot send to external domains

I set up my Postfix with a sasl link to a Dovecot user / domain database. Postfix is giving the following error message when trying to send mail to external recipients (internal are fine): Server ...
0
votes
0answers
39 views

EC2 Security Groups and Postfix

I am having some difficulty getting ports open on EC2. I setup an EC2 instance and opened up SSH (tcp:22) initially. Then I configured Postfix and was successfully able to connect (telnet to port ...
1
vote
0answers
41 views

Postfix message ID originating process?

Last night my postfix mail server(Debian Squeeze with dovecot, roundcube, opendkim and spamassassin enabled) started sending out spam from a single domain of mine like these: $cat mail.log|grep ...
0
votes
1answer
48 views

Ubuntu 14.04 Postfix Access denied

Sorry to write here I'm really using it as a last resort. I have recently got my hands on a dedicated server. I'm not good with linux (not at all), but I wanted to set up a full server (Web, mail, ...
-1
votes
0answers
16 views

status=bounced (unknown user: “user1”) [duplicate]

i config Postfix and dovecot on Debian wheeezy using this link : ...
-2
votes
0answers
54 views

Postfix postmap does not work [closed]

i'm installed Postfix and Dovecot using this HOWTO : http://www.xenlens.com/debian-wheezy-mail-server-postfix-dovecot-sasl-mysql-postfixadmin-roundcube-spamassassin-clamav-greylist-nginx-php5/ every ...
1
vote
1answer
42 views

Postfix header_checks syntax (POSIX - Perl)

I am using header_checks in Postfix to rewrite my headers (for emails sent by Outlook through my server). Here is the part of the header I am trying to change : Received: from Raphasus ...
0
votes
1answer
39 views

postfix+dovecot store maildir format mail in /var/mail

I want to set up a mail server using postfix and dovecot, that stores mail using the maildir format, and I don't want any of these files to go in user's home directories. Wherever I search for how to ...
-5
votes
1answer
87 views

How to setup SMTP server to allow mailing to any recipient? [closed]

I have a windows server, acting as a web server and mail server. For the mailserver I use hmailserver and works fine recieving emails but not so good sending emails because I cannot setup reverse DNS ...
0
votes
2answers
181 views

Emails not being delivered to server from certain mail servers: “domain has no valid mail exchangers”

I'm having trouble with a server that I administer. I've been told that a number of emails aren't coming through. These are consistently from certain people. Here's the bounce error that they ...
0
votes
1answer
41 views

Is there a way to send email using port 465 only? [closed]

I'm trying to send email via port 465 since my ISP has blocked the port 25. openssl s_client -crlf -connect example.com:465 EHLO example.com AUTH LOGIN sdgfsdgfdgdfg dfgdfgdf mail from: ...
0
votes
0answers
16 views

postfix return path two @ Signs

I am trying to get an email server up and running but I am having an issue. For some reason when I check the header on an email sent from the server to gmail I get a return path address that is ...
0
votes
0answers
41 views

Postfix: connection established but no activity

Since yesterday our postfix server stopped accepting emails. Port 25 is open and accepts connections $ telnet sympa.ethz.ch 25 Trying 129.132.202.106... Connected to sympa.ethz.ch. Escape character ...
-2
votes
0answers
39 views

Gmail sends mails to postmaster

I recently set up a mail server using Postfix and courier with some basic anti spam capabilities on CentOS. I use an email address user1@example.com. Emails to this sent from other domains are ...
0
votes
1answer
46 views

Postfix virtual mailbox base, uid, gid — good user and group choice?

I often see tutorials for setting up Postfix with the virtual mailbox delivery agent on Linux that instruct to create a new disabled-login user and group to own virtual mailboxes in ...
0
votes
0answers
57 views

How to exempt localhost from SMTP smart relay?

I've got a mail server (mail.mydomain.com) that has a relay set up as such: /etc/postfix/main.cf: # Smarthost relayhost = [smtpcorp.com]:2525 smtp_sasl_password_maps = ...
-4
votes
1answer
54 views

How does an MX relay work, as in, how is my SMTP server supposed to use it? [closed]

I'm trying to set up a Postfix server (any other software would be ok for me as well). I don't have a static IP, and that can apparently be quite a problem for e-mail purposes: I managed to "send" ...
0
votes
1answer
32 views

Trac notifications (smtp) and Postfix

I've two separate ubuntu 12.04 servers. Runs Trac (homeserver/Dyndns) Runs postfix (VPS/staticIP) I configured trac to use TLS and connect to postfix server. Trac config: admit_domains = ...