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

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0
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0answers
92 views

postfix pipe to script: execvp permissions denied error

I am new to postfix and am trying to pipe a message to a particular email address to a bash script. I am running CentOS 6 in case that matters. My script has 777 permission (for testing), and when I ...
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0answers
30 views

Postfix as local relay using virtualhosts

I've for years been running a powerhogging server(win-Firstclass)~200 emailadresses 5 nonprofit domains. I'm considering phasing it out, but I want to do, affecting the users at the minimum, and over ...
0
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1answer
50 views

Checking SPF for outgoing mails

Is there any particular reason why I should not perform SPF checks for outgoing mails? I was reading on some articles that "you should not perform SPF checks for outgoing mails", why? I'm doing SPF ...
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1answer
74 views

Possible spam emails from our server but not from our domains

I encountered something weird with my mail server. For about 3 days now I am noticing that my mail server sending emails that aren't included in my domains. There are from different IPs different mail ...
1
vote
1answer
43 views

Tracing a bounce in postfix logs

I'm trying to send a notification email from Asterisk through Postfix to let users know they have voicemail messages, but the following is showing up in the postfix logs: Feb 15 15:21:02 myserver ...
0
votes
1answer
161 views

How do I tell Postfix to relax smtpd_sender_restrictions?

If I connect to Postfix on my server with a mail client on port 143 with SSL then mail sent via this connection from a virtual domain passes the smtpd_sender_restrictions and thus enables the filter ...
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0answers
35 views

using mailbox_command with a virtual relay in postfix

I have set up my postfix to use virtual domains according to this doc: Postfix virtual MAILBOX example: separate domains, non-UNIX accounts Now i want to execute a command when mail arrives to a ...
0
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1answer
105 views

prevent postfix from delivering mail to users on my box

I thought I had set up postfix to receive email to a catchall address at my domain and run a command as a certain user (on my box). This is not the case, because if I email 'brian@domain.com' and ...
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votes
1answer
18 views

how to run postfix by hand

I compiled postfix 2.9.5 with mysql backend.You know postfix daemons are ran with postfix, So i don't know main postfix daemon to run by hand. What's main daemon ?
4
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1answer
136 views

Postfix : Domain not found (in reply to MAIL FROM command)

Setting up a new server and having a few issues with postfix. Set it up using the same config as another server I have which works fine. Anyway, when I try to send to a certain domain i keep getting ...
0
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1answer
53 views

Issue with Forwarding Email Postfix on Ubuntu Running on Amazon EC2

I'm trying to forward email going to user1@domain.com to user2@gmail.com, I read a bunch of articles and can't seem to get it to work. I have a local user on the server "userA" If I have "userA: ...
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2answers
54 views

Is this an indication of an attack on a mail server?

Feb 10 13:12:52 dd1 postfix/smtp[18237]: connect to go-speedline.com[67.249.162.124]:25: Connection timed out Feb 10 13:12:52 dd1 postfix/smtp[18237]: 710F5121BDD: ...
-1
votes
1answer
52 views

Want to pass all the incoming and outgoing mails through perl on postfix [closed]

I want to pass all the incoming emails and outgoing email through postfix so that i can modify the content as per the requirements of the company. I want to run perl script to modify the content of ...
1
vote
4answers
75 views

Relay access denied, but only for some domain recipients

we have a website with a SMTP server (Postfix) we used for almost a year. From about yesterday we keep getting the following error when sending emails to hotmail destinations: Feb 12 10:52:34 ...
0
votes
1answer
138 views

dovecot Mail delivery System returns “unknown user” and client authentication fails

I have dovecot installed on Ubuntu 12.04. I am using Ispconfig3 to manage the virtual users. I have been through the http://wiki2.dovecot.org/TestInstallation process and everything (except the ssl) ...
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0answers
64 views

GSS-SPNEGO with dovecot and Outlook without Samba

I am trying to configure a dovecot2 IMAP server to inter-operate with a active directory to authenticate users. The users should be able to login without a password on a domain-joined client(Outlook). ...
0
votes
3answers
91 views

Postfix won't reject undeliverable messages

I'm not shure about the wording. Maybe bouncing is the right word. Problem is, that a local user did send a message to a non-existing domain. Now I expected that postfix will send the message back to ...
0
votes
3answers
367 views

Postfix: Allow SMTP AUTH only from specified IP address ranges

can one implement an IP address based restriction for SMTP AUTH in Postfix? Scenario: I'm running a Postfix mail server that receives mails from all over the Internet. But the server doesn't only ...
0
votes
1answer
105 views

Postfix sendmail sets original recipient

I have a postfix + dovecot with a spamassassin doing some content filtering on the postfix side. The problem is that with a recent update the originally available sendmail binary was replaced with the ...
0
votes
1answer
46 views

Postfix smtp redirected and not sending

I'm new to this so please go easy if I don't explain it lugubriously. I'm admin'ing a debian based KVM/LVM server. It has several VM's on it but two that are the problem. Recently I had to clone VM A ...
0
votes
1answer
43 views

postfix: send DSN to the “Reply-To” address

is there a way to configure the postfix so that he will sends the DSN (Delivery Status Notifications) messages to the "Reply-To" adrees and not to the "from" address. Background: The "from" address ...
0
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1answer
119 views

Postfix - Mail for domain.com loops back to myself

i know there are a few threads about this already but they don't seem to fix my problem. I've got a Ubuntu Server running Plesk11 with POSTFIX Server as email engine. My primary domain - lets call ...
0
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0answers
54 views

Postfix relay with policy server (IP source match with domain sender)

i want to know how to configure my postfix to relay somes domain by IP source, example : Sender 10.2.2.0/24 can relay toto.com and titi.com only Sender 192.168.0.4/32 can relay lulu.com only ...
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vote
0answers
118 views

No more emails being received for user from an email sender

I've set up a Postfix installation based on http://flurdy.com/docs/postfix/ with modifications where I felt was sensible. Emails are being received fine until some users simply no longer receive ...
0
votes
1answer
51 views

Postfix 2.5.6 on Fedora 10

I have inherited a Fedora 10 machine running Postfix 2.5.6. Everything has been working well (all emails going out) up until about 3 weeks ago. I have been receiving complaints mail not getting ...
0
votes
2answers
64 views

Postfix email address change

Being new to Linux I have followed this tutorial to set up a mail server: https://www.digitalocean.com/community/articles/how-to-install-postfix-on-centos-6 Everything is working correctly however I ...
0
votes
1answer
44 views

Postfix - Cannot set myhostname

I simply fail to set myhostname for postfix. I am running Debian 6.0. I simply want to call: postconf -e "myhostname = mail.mydomain.com" service postfix restart in order to prevent mails getting ...
0
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0answers
144 views

Postfix with Dovecot SASL doesn't authenticate SMTP senders

I have a Postfix/Dovecot setup on my server and I use Webmin/Virtualmin for management. Receiving emails works fine, and users are able to authenticate when accessing via IMAP. I am having problems ...
0
votes
2answers
75 views

Postfix secondary transport destiny

I have a Postfix acting as a AntiSpam Gateway, as the mails are treated they are delivered to my Exchange Server using transport. Now I want to add another postfix as a backup for the Exchange box, ...
0
votes
1answer
53 views

Is there a reason why DKIM signs every mail twice [closed]

I've configured my postfix/amavisd-new/spam-assassin setup after this tutorial https://help.ubuntu.com/community/Postfix/DKIM. But now the problem is that all mails I send are double signed with two ...
0
votes
1answer
364 views

554 Relay access denied

I set up a mailserver yesterday according to this tutorial: http://wiki.hetzner.de/index.php/DebianMailserver3 (tutorial is in german). Sending emails is working fine, recieving emails from other ...
0
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1answer
50 views

Error when restarting postfix

When I have restarting the postfix server I am facing the below error :: postfix-out/master[1714]: fatal: open lock file pid/master.pid: cannot create file exclusively: Permission denied I having a ...
0
votes
1answer
143 views

Email server: lost connection while receiving initial server greeting (gmail only)

Past few days users are unable to send mail to gmail, by checking the logs I found the following error message "lost connection with gmail-smtp-in.l.google.com while receiving initial server greeting" ...
0
votes
1answer
106 views

Delayed email, server side using dovecot/postfix

Alternative title: How to delay a mail queue in postfix for a certain user. I am planning to build a solution. At first it would be I would create a separate email address for queuing. Use a ...
1
vote
1answer
45 views

Postfix sending emails via multiple broadband lines

I have a site that send out emails from a postfix server. They have multiple broadband lines for load balancing and failover. I want them to be able to send out emails though both lines without the ...
0
votes
1answer
97 views

how to connect to postfix using php pear mail smtp class

I have the following script: <?php include('Mail.php'); include('Mail/mime.php'); $recip = "me <me@yahoo.com>"; $strSubject = "test subject"; $strMessage = "test message"; $crlf = "\n"; ...
0
votes
2answers
186 views

Postfix split domain setup

I need to have a split domain setup on Postfix. This is possible with Zimbra which uses Postfix as described here: If delivering to a single secondary mail system, configure a catchall on the ...
0
votes
1answer
71 views

make postfix reject unknown recipients

i'd like my postfix relay to reject mail for unknown recipients. i have recipients listed in the transports file along with next hop information. i have a catchall of "* ...
1
vote
1answer
105 views

Postfix deliver mail to correct mail server based on MX Records

We are using Debian and postfix to send mail for our CMS. Our website and email use the same domain but our email is hosted elsewhere. So, sadly when our server tries to send some mail (from some ...
-2
votes
2answers
43 views

Second mail server for my domain [closed]

I have to setup a mail server because my hosting account don't allow me to send over 250 mail/hour. I have a HP microserver at home and I want to use it to send the mails. I configured Virtualmin on ...
0
votes
2answers
358 views

Configure postfix with a threshold for reject_rbl_client

I have my postfix main.cf configured with a number of blacklists: smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_non_fqdn_sender, ...
0
votes
1answer
105 views

How to have Postfix send email to another server if user lookup fails for specific domains

Currently my server acts as a gateway, checks AD for valid email addresses, if the email address exists in exchange it sends over the email, otherwise just rejects (typical) I need Postfix to send ...
1
vote
0answers
115 views

Can't send mail with TLS enabled

I am receiving the following error when trying to send mail in Thunderbird: "An error occurred sending mail: Unable to establish a secure link with SMTP server smtp.myserver.com using STARTTLS since ...
0
votes
2answers
107 views

Postfix. User outgoing e-mail restriction

Is there a way to configure Postfix to restrict outgoing e-mail per user so that he/she can ONLY send e-mails to one specific e-mail address? For example: username@mydomain.com where username is ...
2
votes
1answer
448 views

Centos 6 Mail Server / Can't receive e-mails but can send

I recently set up my server using Centos 6, with ISPconfig 3 with httpd, php, mysql, mail server. I can create e-mail accounts in the control panel, And I successfully can log in to the webmail, I ...
0
votes
1answer
86 views

Maildir++ quota does not count Trash

I have dicovered that standard quota implementation on maildir++ operated by maildrop and courier-imap (installed on ubuntu machine) does not count mails in a .Trash directory. Users now have almost ...
0
votes
1answer
98 views

Postfix forwarding issue

I've followed flurdy's postfix set up, however I seem to have a problem when it comes to forwarding emails. For example, in my maildb database - I have a table Alias which maps mail to a destination. ...
0
votes
1answer
103 views

Postfix to Gmail and Hotmail

I've set up my Postfix mail server with almost everything that I've been reading about: DKIM DomainKeys Reverse DNS SPF Records Everything seems to work (spf=pass, dkim=pass, domainkeys=pass etc). ...
0
votes
1answer
66 views

Postfix with dovecot refuses connection for outgoing mail

I have setup postfix to use dovecot for authenticating smtp requests. This worked well until yesterday. Now my mail client says the server is offline and telnet for all standard ports yields: ...
0
votes
1answer
316 views

Postfix service unavailable error

In my pflogsumm report I noticed suddenly a lot of deferred mails, so I went to check the server through which we relay mails for certain domains and found out that the servers uptime was two days, ...

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