1
vote
0answers
19 views

Postfix to send all mail to /dev/null except one address (alias)

My postfix server is working on a particular domain name through a relay, so it's like that: Client send to abs@subdomain.domain.com -> domain.com production mail server -> internal mail server on ...
0
votes
1answer
11 views

postfix virtual redirect not working properly

I setup postfix on one of my server to redirect incoming mails via virtual.db . I already changed my main.cf and added "virtual_alias_domains" & "virtual_alias_maps" my "virtual" file looks like ...
0
votes
0answers
19 views

Postfix mail server acting as an open relay

I'm trying to get postfix to work with mail clients (thunderbird / outlook), but the only way I can achieve it at the moment is by turning the mail server into an open relay, which is very bad, ...
0
votes
0answers
26 views

Postfix configuration: how to properly setup local addresses

I am configuring Postfix and SOGo and when I trying to sent email from one local user to another I got the status bounced error, unknown user: Error log: Jun 9 09:26:28 mail postfix/local[24266]: ...
0
votes
0answers
29 views

Ubuntu - Change postfix domain

I used this https://www.digitalocean.com/community/articles/how-to-set-up-a-postfix-e-mail-server-with-dovecot and this ...
0
votes
1answer
15 views

Postfix Relay Based on Recepient

What is the best practice when one has to implement this sort of ruleset in postfix: Email sent to a@example.com, b@example.com, etc ought to be relayed to smtp.a.example.com. Email sent to everyone ...
0
votes
1answer
38 views

Postfix virtual users without database [closed]

I've made several attempts to setup a mail server. Each time, I find a tutorial to follow, and each time I get frustrated with the tutorial for one of the following reasons: The tutorial doesn't ...
0
votes
0answers
9 views

Unable to start Postfix from Virtualmin

I have a probleblem with starting postfix from Virtualmin, all email functions are disabled on my VPS. What should I do in order to re-enable it?
0
votes
1answer
126 views

Not able to send mail via Ubuntu VPS

I'm having a Ubuntu VPs with zpanel isntalled on it. There is something wrong going with the mail. Im not not able to receive the mails from my contact form on my wordpress site ( the site is hosted ...
1
vote
1answer
109 views

Postfix allows unauthenticated users to send emails

Hey I set up Postfix to use cyrus SASL implantation and I'm able to login and send emails, but I can still telnet on port 25 and send mails even if I'm not authenticated, which I whish to deny. ...
0
votes
0answers
24 views

Solving issue of similar user email account

I am using a VPS, CentOs 6.5, PostFix, Dovecot for hosting multiple email from different domains in my server. Which means, 5 different websites host their emails together. ex: info@some-company.com ...
0
votes
1answer
46 views

Domain [ Understanding ] issue when creating a Linux email server

Ok, here goes my paradoxical question. For about 1 year into my hobby-ish career, I used to buy my domains and a hosting package from Reseller Club. I purchased their " shared hosting " plan and ...
0
votes
0answers
21 views

Client computer blocked by postfix

I have been trying to connect from a Windows client computer to a Postfix server running on a Suse Linux Enterprise 2012 SP3 but it has been completely impossible. Connection is not possible either ...
0
votes
1answer
124 views

What permissions on /var/mail directory?

I've been suffering a permission problem in Postfix/Dovecot for a couple of days now. The setup is using virtual domains and users, so the path to user's home is /var/mail/<domain>/<user>; ...
0
votes
0answers
25 views

Postfix/Courier - list known email accounts or addresses

I'm trying to set up an IMAP server. Its a new server in a migration. I thought I completed all the steps from Virtual mailboxes with courier-imap and postfix, but apparently I have missed something. ...
0
votes
0answers
65 views

Postfix: Block all inbound and outbound access but allow all for one user

How can I restrict access for an internal domain but allow all access for one user, say the admin of a domain? All users should be blocked from communicating outbound and no external domain may ...
0
votes
0answers
56 views

Blocking or filtering chinese spam using postfix

My mail server runs postfix, spamassassin, amavis and sieve. Using a combination of any of these, is it possible to block or tag any mail I receive that is written in non-"English" characters? I.e ...
0
votes
1answer
116 views

Mailman + Postfix: unknown user

I set up postfix + dovecot and know that I want to have mailing lists I decided to install mailman. Everything is working except that I cannot send emails to my mailing list (and this is quite ...
1
vote
1answer
181 views

Postfix is Sending Spam [closed]

I have an Ubuntu 12.04 server, hosted on AWS, that powers a dozen WordPress installations using Nginx and php5-fpm. The problem just began one day. My server was down. Panic! Whenever I turned it on ...
0
votes
0answers
70 views

Issues with Z-Push configuration

I've got a mail server that I set up with a Postfix / Dovecot setup. I tried to install Z-Push as well, and everything seems to be working appropriately, but I'm having issues from specific devices. ...
0
votes
1answer
27 views

Disabling sentbox in postfix over Squirrelmail

I have installed POSTFIX over Squirrelmail on CentOS Linux... The services I have ran are: service httpd service ssl service mysql service postfix service saslauthd service dovecot But I want to ...
0
votes
1answer
82 views

Mixing virtual forwards and virtual mailboxes in postfix

I am setting up a postfix server. The first thing I tried was to deliver mail to virtual mailboxes: main.cf [..] virtual_mailbox_domains = /etc/postfix/virtual_domains virtual_mailbox_base = ...
0
votes
1answer
97 views

Postfix: relay mail to smart host for specifc users

Currently i have a VPS that has a host of email accounts on for several domains. most are simple and have all local mailboxes. but i have one user that wants to have a hosted exchange account but ...
1
vote
0answers
74 views

Email Spoofing - Bounce back messages

A client of mine (onto my mail server) receive back some bounces for mails that he haven't never sended to non-existent addresses. Of course, inspecting the header, the outgoing server isn't mine. I ...
0
votes
1answer
50 views

Understanding Postfix and Courier IMAP

I'm setting up my own mail server, and I'm very new at this... and I'm getting lost. I need your help in determining some parameters the way I know them already, because the configuration is huge. ...
0
votes
1answer
236 views

Cannot connect to pop3 or imap with Dovecot

Connections are refused on my server. Note: I am trying to connect from localhost here. Command I'm trying to use to test: user@hostname:~$ telnet localhost pop3 Trying ::1... Trying 127.0.0.1... ...
0
votes
0answers
25 views

Simple multi-domain email management under linux

I was looking to a way to deploy a simple email ecosystem, with postfix, dovecot and antispam/antivirus milters in a fast and easy way, without configuring them one by one manually. I saw iRedMail, ...
0
votes
2answers
81 views

Simple postfix relay server

I want to set up a postfix server that relays emails to another email address. I have an ubuntu server set up, a domain name (myvps.be) and a database of users. I want to make it so that when ...
0
votes
1answer
97 views

Using both maildir and .forward for postfix

I have a postfix server for handling mail, and trying to finalize my user configuration. If I put a .forward file in a user home directory to redirect his mail, it works. If I remove it, to use the ...
3
votes
2answers
1k views

Changing default from e-mail address for system accounts when using sendmail

I would like certain system accounts (root and www-data) to have the header From: Example Company <noreply@example.com> when e-mail is sent using either the mail or sendmail commands, or from ...
0
votes
0answers
20 views

Remote reconfig email clients from mail server

Today I got very interesting info. My friend use Outlook and Android Email application for using mails. Strange thing happed that Mail Administrator changed passwords for accounts, and without sending ...
0
votes
1answer
61 views

configure postfix mail server in ubuntu server

Is that possible to setup postfix mail server in my system(ubuntu server) with the details I have domain name e.g: testdomain.in testdomain.in is pointing to xxx.xxx.xxx.xxx(our cloud based windows ...
0
votes
1answer
56 views

DKIM configuration on Debian

Due to the fact that many e-mails we send with our company address do not get delivered, rejected or marked as spam, I searched for a solution on the web. One of the solutions I found was to use DKIM ...
0
votes
1answer
121 views

How to use a different SMTP mail relay for sending emails with a message size over 10MB

I use Amazon SES as a mail relay service for my emails as my server host blocks connections out on port 25. SES works great, however occasionally users send large attachments (>10MB). Whilst I could ...
4
votes
4answers
526 views

What all is required for email from my server to pass through spam filters?

I have a serverbeach server with postfix installed. The hostname is something like p3204059.pubip.serverbeach.com The FQDN is specified as NONE for the server itself. I clicked change ptr record, ...
0
votes
1answer
41 views

ip set for smtp mail failed

I config smtp server with postfix , and Debian 6. I set 1 ip from 4 Ips of server for smtp server mail.mydomain.com xxx.yyy.zzz.hhh but when I send mail with smtp server , Destination server ...
0
votes
0answers
1k views

Postfix smtp send error - what's wrong here?

I am currently setting up a new virtual private server with Debian Wheezy. I managed to install postfix, dovecot (IMAP) and MySQL. Up to now, I can successfully login via SSL with an external mail ...
0
votes
3answers
147 views

Every minute incoming, rejected connections to SMTP

I have a feeling my server is being lazily DDoS'ed, though, I have never experienced it before, so, I may be wrong. Every minute, my journal logs the following 3 entries: Nov 05 21:10:47 ...
1
vote
1answer
387 views

Piping inbound email for specific users through a script with postfix

I'm trying and failing to setup postfix so that inbound email to a specific address is piped through a script. It's all new to me, and I think I'm simply failing to understand the complexities of ...
0
votes
1answer
2k views

Email test deferred (mail transport unavailable) with ClamAV

I'm trying to set up a simple new mail server; when I send a test email to the server the email is getting hung up during delivery (user mapping is found) and the email is never found in ...
0
votes
0answers
19 views

Different routes for different TLD's in postfix

This might come as an odd request. Thank you for looking at it. I am setting up a series of postfix+dovecot+mysql mail servers internally. I am having trouble figuring out how to make them both ...
0
votes
0answers
51 views

Can I reconfigure postgrey to keep mail instead of rejecting it?

I have postgrey on my mailserver and it works really well. I actually suspect it works a little too well in that there are quite a lot of faulty mailservers out there that don't bother retrying. ...
2
votes
1answer
107 views

Arch Linux ARM: Send email after successful ftp transfer

I have a script running on my box that checks every 5 minutes to see if a certain time type was uploaded to a folder on my Ftp server. I would like for it to send an email when the transfer is ...
0
votes
1answer
61 views

Why use googlemail smtp server instead of your server?

I ran into this post: Getting Postfix to work on Ubuntu with Gmail which describes how to use gmail as relayhost for postfix. And I'm wondering what would be the benefits of doing so? I have some ...
1
vote
1answer
88 views

Forwarding with postfix: prevent rewriting of from address

When I send a mail via php mail then postfix rewrites the from address like this. For example: From: info@mydomain The from becomes: username@myhosthame How can I stop this from happening? I want ...
0
votes
1answer
443 views

fetchmail/postfix - bounce message if it is too big

I have an Ubuntu mail server that retrieves mails from ISP by fetchmail and delivers it through amavis and postfix. Postfix has a size limit of about 20MB. Mails larger than this are removed from ...
0
votes
1answer
134 views

Postfix Autorespond - “recipient address rejected”

I have an issue with postfix. If I set up an autorepsonder (I use a postgresql db, so I insert mailbox#mydomain@autoreply.mydomain.net into alias table; of course this domain is listed into postfix's ...
1
vote
0answers
100 views

OpenDKIM Signing return fail when spaces in mail

Few days ago I install OpenDKIM Signing using on my CentOs 6 server by manual - http://stevejenkins.com/blog/2011/08/installing-opendkim-rpm-via-yum-with-postfix-or-sendmail-for-rhel-centos-fedora/. ...
0
votes
1answer
68 views

Multiple config file postfix

Our mail server was configured using this tutorial: Pixelinx - Creating a Mail Server on Ubuntu (Postfix, Courier, SSL/TLS, SpamAssassin, ClamAV, Amavis) Now it can receive/send email using his ...
0
votes
0answers
321 views

milter-reject: END-OF-MESSAGE

Few days ago I install DKIM Signing using on my CentOs 6 server. Yesterday All websites scripts unexpectedly stopped sending out mail. At /var/log/maillog I look: Aug 10 00:26:45 lcnoju8613 ...