0
votes
1answer
16 views

Error sending emails from a mail server relay type falling into the spam folder (using postfix)

Here I show one of the emails that come to Yahoo, which are falling directly into SPAM folder. The SPF goes smoothly, the DKIM passes without problem, even DMARK passes without problem, but just keep ...
0
votes
1answer
58 views

postfix - connection refused from behind NAT

When attempting to telnet postfix from a different host in the same LAN through the FQDN (and thus the LAN's public IP), the following error occurs: root@mailer:/var/log# telnet mail.domain.com 25 ...
0
votes
0answers
95 views

Postfix - suspend domain from which deferred status was received?

Is there a possibility to make Postfix stop trying (for a period of time) to send emails to a domain from which it received a deferred response? Currently my Postfix goes through each address in the ...
0
votes
0answers
19 views

Mail not piping in postfix

I have setup a postfix server and wanted to test the piping of mail to my perl script where i can make use of it and filter the mails.I wrote a test script for that which just logs the information in ...
0
votes
0answers
32 views

Mailx not reporting the IP the mail was sent from in header?

In the Header file of the final mail on y local server using postfix i am not able to see the Sender's ip which is usually under received from. From root@testmailer.com Wed May 28 12:26:54 2014 ...
0
votes
0answers
50 views

How to change IP address according to sender in Postfix?

I need help.I am stuck for too long now.I have setup a postfix server on my system.Now i want to change the IP corresponding to the sender.For that i used sender_dependent_transports and configured ...
0
votes
1answer
46 views

Postfix selectively enforce TLS

I am running postfix in Debian Wheezy as my MTA. I currently have it configured to require secure connections for SMTP. In main.cf I have: smtpd_tls_auth_only = yes smtpd_tls_security_level = ...
1
vote
1answer
169 views

Postfix limit number of emails send in a month/Day

Is it possible to limit the users to send total email in a month/day. I am trying to enforced marketing users to send newsletter according to their assigned quota. Example 1. user1@example.com: can ...
-2
votes
1answer
75 views

Multiple mail servers for a single domain [closed]

Running a "DNS scan" to make sure my DNS zones are setup "correctly" led to the suggestion by the tool to run more than one mail server for redundancy. It got me thinking about how one would implement ...
0
votes
0answers
11 views

Hide IP address internal server postfix bounce messages [duplicate]

I am setting up an Ubuntu 12.04 Postfix MTA server and I am trying to send bounce messages back to sender but without to show my internal servers IP address. I googled this infinite times but I can't ...
1
vote
3answers
515 views

Postfix can not send to some mailservers: 'not logged in'

I have setup a Postfix stack (with Dovecot and Spamassassin, ClamAV + Amavis) which is working pretty good, actually. It relays my emails (I am using Thunderbrid as client) to other mailservers. I ...
0
votes
0answers
53 views

Postfix: Server to Server encrypted communication

I just built a Postfix, Dovecot and Spamassassin (ClamAV + Amavis) stack on my dedicated server. In the last two years I was using iredmail, wich was OK, but I was a bit sceptical because of my lack ...
0
votes
1answer
342 views

How to let Zimbra accept incoming mail only from some MXes and authenticated users?

I have a working Zimbra 8.0.6 OSE that is currently accepting mail from the outside to any of its locally defined domains and will also relay every mail from authenticated SMTP users. There are ...
0
votes
1answer
57 views

Postfix, MSA, Smarthost, and LAN

I've, let's say, 5 servers. They are either public and private or only private (network), they all send e-mails, either system e-mails (local mailbox) or installed application (wiki, issues tracker, ...
1
vote
1answer
79 views

running localhost mta vs. php smtp'ing via 3rd party api

so the question is, would it be "better" to run localhost mta (ie. postfix) or "better" to use 3rd party restful api, embedded in the application, to send email? i am curious what people would do ...
0
votes
0answers
95 views

postfixadmin doesn't create table but create database

Already i downloaded and installed postfixadmin ,But for version compatibily, i' forced to install from debian repository. I prevent to wonderful thing, It is installed successfully , creates ...
-1
votes
1answer
90 views

dovecot and postfix from debian repository

I installed dovecot dovecoot-mysql postfix and postfix-mysql from debian repository 7. I start them with /etc/init.d/postfix start and /etc/init.d/dovecot start but When i use nmap localhost I see ...
1
vote
1answer
331 views

IPv6 Postfix can receive emails but cannot send

I installed postfix mta and configure to work with IPv6. I tested sending an email from gmail to my vps and the email has been received but when i want to send an email to gmail i get timeout like ...
0
votes
2answers
401 views

Postfix piping to php issue: “cannot append message to file: cannot open file: Permission denied”

I am having some issues with setting up piping to a php app (WHMCS). The mail is coming to the server however it is bouncing. The maillog shows:- May 15 12:51:14 hostname postfix/smtpd[2123]: ...
1
vote
0answers
484 views

Postfix not receiving external mail. Sending mail OK

I am having some issues setting up Postfix to receive mail on Centos. This is a web server that I'm setting up to only pipe mail to a php application so the server hostname is hostname.mydomain.com. ...
1
vote
1answer
281 views

In postfix how can I conditionally enforce check_sender_access

I am servicing 2 virtual domains: domain1.org , domain2.org. I want to enforce the following policy: If a client connects from an IP address in $mynetworks then I want to allow only mails for which ...
1
vote
1answer
180 views

Using a local MTA as gateway to Sendgrid

I am setting up an email system using Interspire Email Marketer with 5 user accounts, and each user has their own Sendgrid account. We are trying to build a fast system, so we have a dedicated MySQL ...
-3
votes
1answer
21 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 ?
0
votes
3answers
225 views

Do I need to setup an SMTP MTA for a contact us form on a VPS?

I'm about to setup a Linode running a Centos server with a rails apps. The rails app has a contact us form. That justs send enquirys to the site owner. No other email functionality is needed The site ...
0
votes
2answers
150 views

unable to send mail through the from address in gmail

I am trying to send mail using postfix, I have set up all the things, the mail is going, I have set up the email using my domain i.e. xyz@domain.com. When When I am using the following code ehlo xyz ...
3
votes
5answers
1k views

How do I set up postfix to store e-mail in a file instead of relaying it?

I want to run a staging copy of a production server on a local environment. The system runs a PHP application, which sends e-mail to customers in various scenarios and I want to make sure no e-mail is ...
0
votes
1answer
166 views

Route all postfix mail through noreply@

I want postfix to send out all email via noreply@mydomain.com My main.cf looks like sender_canonical_maps = regexp:/etc/postfix/canonical local_header_rewrite_clients = static:all and my canonical ...
1
vote
1answer
411 views

How to Set Up an SMTP Submission Server on Linux

I was trying to set up a mail server with no luck. I want it to accept mail from authenticated users only and deliver them. I want the users to be able to connect over the internet. Ideally the ...
1
vote
1answer
134 views

Trying to setup catchall mail forwarding on my rackspace's cloudspace server

I'm running Ubuntu 12 Precise Pangolin and am trying to configure my server to catchall mail sent to it and forward it to my gmail address. I've been trying lots of examples online like editing my ...
1
vote
1answer
105 views

Postfix Is it possible to rewrite From: field to email used in authorization procedure

It's known that users can provide any email in From: field. I need to prevent it by rewriting it to email used in authorization procedure. Is it possible to do in postfix? Or may be other MTA?
2
votes
1answer
3k views

how do I setup Postfix to accept all email and send to a specific address?

I want to setup a catch-all email address for my domain. ie ( anything sent to support@mydomain.com or foobar11123@mydomain.com will go to a specific mailbox ). I've got Postfix working with local ...
2
votes
1answer
74 views

setup postfix or equiv to only forward to new address

Is there a dead easy way to set up an MTA to only redirect incoming mail user@mydomain.com -> myCheapGmailAccount@gmail.com Yes, I've tried various postfix guides but I'm lost in configuration. ...
0
votes
5answers
283 views

What is reasonable size of outgoing and incoming emails configured in mail server? [closed]

I'm wondering what is reasonable size of outgoing/incoming mail configured in mail server (in my case postfix). What is the risk of setting this size to big. Does it depends only on parameters of my ...
0
votes
2answers
326 views

Postfix port 25 unavailable

Is there a condition or state that Postfix can enter that will prevent connectivity on port 25? Am using Javamail to send to postfix as the local MTA, which works about 99% of the time. However, I ...
0
votes
4answers
576 views

Is it possible to sign email with digital signature on server side?

I have nice iRedMail server (postfix, dovecot, policyd). One of my client apps sends email via this server. And client want to sign it with digital signature on server side. Is it even possible to do ...
8
votes
1answer
4k views

How read mail from /var/spool/postfix/deferred?

Is there a way to read deffered mail from /var/spool/postfix/deferred. I tried to copy file to my mail directory and see it from webmail but it dosnt work. When im using less or cat it seems like ...
1
vote
1answer
1k views

external postfix forwarding to zimbra server

I want to migrate from my current mail server (old_server) for my domain mydomain.com. old_server setup is Postfix+LDAP+Cyrus. Now I want to migrate my domain mail to Zimbra server (zimbra), but I ...
2
votes
1answer
396 views

Postfix mail server cannot receive external mail but can send external mail

I hosted the domain mydomain.com on the IP xxx.xxx.xxx.xxx. I created an A record to point mydomain.com to xxx.xxx.xxx.xxx. On xxx.xxx.xxx.xxx have setup Postfix under the name mail.mydomain.com. I ...
2
votes
1answer
265 views

Postfix working as backend/local MTA

I'm in the process of configuring an email platform and I would like to clear some doubts that I have. When building this system I have 2 options: Have PHP doing the connections to my SMTP external ...
0
votes
2answers
163 views

Which is the easiest to configure MTA/POP3/IMAP solution? [closed]

I'm having hard time to configure postfix/dovecot + mysql with virtual domains. Still doesn't work for me 100%. Which is the easiest to install/configure mail solution for centos 6/64bit ? I just ...
0
votes
1answer
536 views

Postfix: Can't receive mail from outside the box

I've followed this tutorial in order to get a postfix mail server with virtual domains running: http://flurdy.com/docs/postfix/ Right now I still have not implemented the whole tutorial but I have ...
4
votes
1answer
4k views

Configure Postfix to only allow outgoing mail from localhost

How do I configure the Postfix mail submission agent to only allow emails to be sent out from a user on localhost , but allow the Postfix mail transfer agent to receive mail from anywhere? Martin
2
votes
1answer
393 views

Logwatch without MTA/Postfix?

Is it possible to have Logwatch send daily emails without actually installing Postfix? I want to keep my server light and installing an MTA just because of Logwatch seems overkill. Or will I need ...
7
votes
2answers
8k views

Is Postfix the same thing as Sendmail?

I have postfix setup on my server so that I can send outgoing mail using the command-line: mail -s "Subject" address@example.com Is this using sendmail or postfix? Is "sendmail" just a software ...
0
votes
1answer
455 views

postfix concurrency limit with round robin dns

Take the following internal round robin dns setup mymta.com. IN A 172.31.1.1 mymta.com. IN A 172.31.1.2 mymta.com. IN A 172.31.1.3 mymta.com. IN A 172.31.1.4 mymta.com. IN A 172.31.1.5 mymta.com. IN ...
0
votes
2answers
865 views

avoid greylisting with postfix

I have an email marketing app, so we have a great volume of mails to send and sometimes a great volume to the same MX. Depending the MX configuration we enter in a greylist and the server told us (in ...
13
votes
4answers
39k views

Fixing My MTA's Poor Reputation

I have a web site that needs to send email to customers to deliver files that they have purchased. Reliable email delivery is vital to this business. Unfortunately, most of the emails sent by my ...
1
vote
2answers
237 views

Multiple Servers + One MailServer

Hy, I got several Linux-Servers (running Debian) where different services run: Database-Servers, Webservers, Applicationsservers, Tools and so on. All Servers are connected to the same internal ...
2
votes
2answers
1k views

Postfix relay with Exchange Server

Is it possible (or even logical) to use Postfix as relay MTA with Microsoft Exchange Server 2007, and if so how?