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

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0
votes
1answer
19 views

Make postfix trigger a php script using always_bcc

I have been having a VERY hard time with this, have searched everywhere, and in utter desperation am posting this question. I am using postfix and dovecot on ubuntu 12.04. I am trying very hard to ...
2
votes
0answers
16 views

Forward email to other servers if the recipient doesn't exist in alias map

This is the first time I am starting to write a more complex postfix as I hate setting up mail settings without knowing what to do. But right now I am required to do. Here the setting: For internal ...
2
votes
1answer
19 views

virtual_alias_domains - how to use different IP addresses when forwarding mail?

I host 2 web domains (domain1.com and domain2.com) on a CentOS 6.6 Linux server with 4 IP addresses. Postfix 2.6.6 accepts mails to info@domain1.com and info@domain2.com and forwards them to ...
1
vote
1answer
57 views

How to redirect spam to a different email address (spamassassin/postfix)

I have setup postfix and spamassassin on Ubuntu 14.04. I would like to set it up such that if the score of a message is above 5.0, it goes to one email account on my mailserver. If it's less that ...
-1
votes
1answer
21 views

Sending emails from non-configured domains with postfix/dovecot

I am trying to setup a mail server with postfix/dovecot. I can currently receive emails and send emails from domains that I have configured. I have a lot of domains and my email setup is simple - ...
-4
votes
0answers
19 views

Linux domain name and FQDN [on hold]

I am beginner in Linux and Networks. My question is very weird I know, but I could not find answers on internet. Okay, so I want to send e-mail from my laptop to my gmail account. I am using Postfix ...
1
vote
0answers
21 views

Postfix lookup failure: works from localhost, not on other nodes in LAN

I am getting temporary lookup failure for the recipient address when trying to send email using Postfix and Gmail from a machine other than the host, on the same network. It works just fine when ...
0
votes
1answer
23 views

Email configuration - DigitalOcean, CloudFlare, Postfix

I have a website (safirasaloes.com.br) hosted at DigitalOcean and DNS set at CloudFlare. I'm trying to receive e-mails at contato@safirasaloes.com.br with Postfix but I can't. The big problem here is ...
0
votes
1answer
28 views

Postfix - 5.7.1 relay access denied

I'm running postfix on RHEL6: # cat /etc/redhat-release Red Hat Enterprise Linux Server release 6.6 (Santiago) # rpm -q postfix postfix-2.6.6-6.el6_5.x86_64 # I'm trying to implement following: ...
0
votes
0answers
17 views

Postfix SMTP mail is sent to SPAM

I have installed postfix mail server in ubuntu machine. I configured the mail server as well as DNS properly. Mails are sent from our mail server properly, but all the mails are listed in the spam ...
0
votes
0answers
21 views

Configure inbound email using postfix

Postfix logs show "unknown user" when I send what I would expect to be a local user. I have the users specified in a mysql database and postfix has been compiled with mysql support. Other variables ...
0
votes
1answer
35 views

Can't receive emails to my mail server

I created a mail server, following this tutorial: https://www.linode.com/docs/email/postfix/email-with-postfix-dovecot-and-mysql , I configured the email on my email client, SMTP and IMAP and both ...
2
votes
2answers
26 views

Relay host based on destination MX record

I wish to set up Postfix to use an external relay depending on the destination hostname, ie: If destination hostname is *.outlook.com, use relay some_smtp.example.com If any other destination ...
0
votes
1answer
16 views

Postfix/Dovecot on a VM. Problems with understanding port fowarding

I've set up a mail server with postfix and dovecot on a virtual machine running debian 7. At first I basically made a seperate network with a host-only adapter , so host and guest were in the same ...
0
votes
1answer
29 views

Postfix / Dovecot not receiving e-mails in Ubuntu 14.04

I've just setup a VPS with Ubuntu 14.04 at Linode. I have installed Postfix, Dovecot & SquirrelMail to handle E-mail. I am able to send e-mails to other accounts (GMail & Yahoo!) but when I ...
-4
votes
0answers
23 views

Error in sending mail from Postfix [on hold]

Getting below error while sending mail using relay status=bounced (host smtp.office365.com[132.245.160.44] said: 550 5.7.60 SMTP; Client does not have permissions to send as this sender (in reply to ...
0
votes
1answer
20 views

Postfix logging “Fatal: no SASL authentication mechanisms”

I was trying to close the open relay postfix server I had running, as there was spam coming from it, and now I can't get e-mails. The message I get in the log when someone tries to send an email is ...
0
votes
0answers
37 views

IMAP Dovecot cannot connect [migrated]

I am trying to set up my own mail server (for 'fun'). I followed this tutorial to the bone. But I get this error message: imap-login: Disconnected (auth failed, 2 attempts in 9 secs): ...
2
votes
1answer
28 views

Postfix Rejects incoming bounce notifications ( Recipient address rejected: User unknown in local recipient table )

So I've set up a postfix email server, I can send, I can receive. But I noticed some interesting activity in my logs. I was testing an accidentally sent to a non-existent email address, now the ...
-1
votes
0answers
28 views

Postfix + Dovecot I can't receive e-mail from other domains

I have a setup with Postfix and Dovecot on Ubuntu VPS. Lets say I have an user called "me". From command line I can send mails via "mail me" and it works. I can connect with Thunderbird to ...
-2
votes
1answer
36 views

gmail blocking postfix relay [closed]

Here is partial postfix config: relayhost = [smtp.gmail.com]:587 smtp_sasl_auth_enable = yes smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd smtp_sasl_security_options = noanonymous ...
1
vote
1answer
33 views

postfix parameter default_privs

I have set default_privs=myuser in main.cf, which is a perl script, executed in the context of this user. In the perl script I added some debug to print out the user: my $exec_username = ...
0
votes
1answer
40 views

Mailserver creating mail accounts upon “User unknown in virtual mailbox table” on local delivery

I'm running an older Postfix and Courier mailserver with virtual domains. I recently experienced that local delivery (using webmail) to a not existing mailbox would result in that actual mailbox to be ...
1
vote
2answers
50 views

Can't receive mail with postfix virtual alias

I can't receive mail on the virtual aliases (normal email works in and out), i didn't try the virtual domains but that's what i was going for to get to work. So i have a Debian Wheezy 7.8 Build: ...
0
votes
1answer
53 views

124 emails sent at once while one should be sent every five minutes by cron if a certain web service stops running

So I set up a simple script to send an email alert when a certain web service stops running. It has a simple flow of: test = $( curl [address] | grep [a certain string in response] | wc -l ) if [ ...
-2
votes
0answers
43 views

Can't connect to my email server [migrated]

Recently I transferred my domain to NoIP, and I had to create a mail server. (I had to transfer to noip because I can't setup a static/fixed ip as I am particular not a business, and I don't have a ...
0
votes
2answers
26 views

Forward mail to “root” user even if RCPT TO field is different? (Postfix)

I have a script that basically connects via telnet to my postfix server and sends email. Of course, it accepts only email when the field "RCPT TO" is like "root@example.com" or "user@example.com". Is ...
1
vote
1answer
24 views

Comparison of methods to send Postfix emails to Procmail

I want to begin using Procmail in order to perform filtering on specific accounts in virtual domains as received by Postfix on my Centos 7 server. In various articles it seems that there are two ...
0
votes
1answer
31 views

Postfix catch-all email, save to combined file

We're running a spam trap / honeypot, and by using the amazing guidance of the members here, I've been able to configure our Ubuntu server running Postfix 2.11.0 to catch all inbound email, regardless ...
-1
votes
1answer
49 views

Sendmail (or postfix or somebody) not speaking SMTP

I've got a Linode Debian server which tries to send email (normally through PHP, but mail from the command line doesn't work either). But the mail never arrives successfully. My two clues from people ...
2
votes
1answer
44 views

Postfix/Dovecot: SASL LOGIN authentication aborted

I use Postfix together with Dovecot (auth/LMTP) on my mailserver. Everything is working fine, but I notice several warnings in the log-files each day: postfix/smtpd[4169]: warning: ...
1
vote
1answer
41 views

Postfix: For a certain address, only allow emails from a certain domain

I've set up my server so that, in order to track down the source of spam (and block it), the email address that I use to sign up for stuff is service_name@example.com (e.g. for Facebook, it would be ...
0
votes
0answers
25 views

How to fix Postfix init script on Ubuntu 14 so it can stop the Postfix it started

I'm on Ubuntu 14 Installed via sudo apt-get install postfix service postfix start works fine and even does something useful But: $ service postfix restart * Stopping Postfix Mail Transport Agent ...
1
vote
2answers
63 views

Why do I have to manually copy /etc/services and /etc/resolv.conf into /var/spool/postfix/etc?

I encountered this problem with my Postfix install: https://www.virtualmin.com/node/23909 i.e. I was getting the error: postfix/smtp[130]: fatal: unknown service: smtp/tcp and like at the url ...
0
votes
1answer
17 views

How to drop orig_to using postfix virtual domains?

With the virtual domains, the final mailbox receiving the email gets the orig_to email address in its header. Is there a way to prevent this (i.e. address translation without keeping the orig_to)?
0
votes
0answers
21 views

Reject outgoing mail if sender is X and recipient is Y [duplicate]

Is there any way I can create a list to not send an email if the sender is X and the recipient is Y? I see options to create a reject list for either, but not a combination.
1
vote
2answers
37 views

How to enable RBL checking in postfix?

How to enable RBL filters in postfix? My current configuration: submission inet n - n - - smtpd -o syslog_name=postfix/submission -o ...
-1
votes
0answers
42 views

Postfix email address display name?

I'm able to send email as support <support@example.com> how can I configure it to send as "Example Support" <support@example.com>? /etc/postfix/main.cf ... myhostname = example.com ... ...
0
votes
3answers
73 views

Certificate on port 25 when trying to secure SMTP with POSTFIX

Background I think I am close to getting my POSTFIX setup to my liking. I've run some SMTP online checks and my SMTP passes all the basic security tests. I get a certificate warning in Thunderbird. ...
2
votes
1answer
23 views

Postfix silently ignoring recipients

I have a weird issue wherein an email is received to my mail server running Postfix with multiple recipients on the same domain and only one of the recipients will receive the message. An example ...
0
votes
1answer
80 views

Postfix in Docker container not forwarding virtual aliases

I am trying to configure Postfix for the first time. I do not need mailboxes, I want only virtual aliases, forwarding info@example.com --> myname@gmail.com My Postfix is running in a Docker ...
1
vote
1answer
32 views

Postfix very slow delivery

I installed postfix + dovecot + mysql + amavisd + spamassasin. Everything works fine (mail is sent and received) except that the received mail stays too long in the queue (for about 15 minutes) before ...
0
votes
1answer
32 views

Postfix with external SMTP

I'm trying to install Request Tracker and configure it to use an external SMTP server to sent mail notifications. I've already put postfix to send emails using this tutorial, but it keeps sending then ...
0
votes
0answers
20 views

Sympa suddenly changed the domain of all lists

we have on our server sympa with postfix installed. Everything was working fine for about 6 months. On our server were about 100 lists with the format listname@foobar.de Since yesterday the format of ...
1
vote
1answer
15 views

Postfix after-queue filtering for local destinations only

I need to run all mail addressed to local domains (as defined in vmail_domains) through a simple after-queue content filter which then re-injects the processed emails back into Postfix via sendmail. ...
-1
votes
0answers
22 views

Getting mail in a postfix queue from DMZ host to Internal host

Due to security policy I can not connect a DMZ hosted postfix daemon to an internal smart relay via SMTP. The DMZ hosted postfix handles email from a co-located Drupal portal - no internet access... ...
0
votes
3answers
53 views

postfix/dovecot - run script when mail is received

I need to implement solution on my postfix/dovecot server which will execute bash script every time message arrives. For this purpose I did following things in master.cf configuration myhook ...
-1
votes
0answers
28 views

Put email in mailbox AND bounce?

I have a heavily used email address that will have to be taken out of service soon. To indicate the address is no longer available I wish to bounce messages sent to it. At the same time, the user ...
0
votes
1answer
65 views

Mail sent from my POSTFIX mail server goes to gmail spam [duplicate]

I have set up a POSTFIX server on my VPS and mail sent trough it is going to Spam in gmail. Here is my message: Delivered-To: sgenov@gmail.com Received: by 10.140.43.75 with SMTP id d69csp350632qga; ...
0
votes
2answers
31 views

Get postfix to send emails to the mail server

I have 2 servers. One is a fully configured mail server that receives emails from any sender. I also have my web server that has apps like logwatch and tripwire installed and they all installed ...