MTA stands for Mail Transfer Agent. An MTA is a server-side program which accepts and transmits email messages on behalf of end users. Examples: sendmail, postfix, qmail.

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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 ...
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102 views

DKIM sign any outgoing mail as the same domain. is possibly?

I have a website, and the users recommend via email to another persons, so the mail come from my site, but I need to appear the user as sender, but "via" mydomain. The logically and what lists ...
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2answers
353 views

What should I use for a forwarding only mail server?

I have a VPS running ubuntu 11.10 for a Django app, I want to be able to handle the email for one specific domain (already have the reverse lookup setup with the ISP for that domain), all I'm doing is ...
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100 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?
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161 views

Does the MTA (Postfix, Exim, etc.) get installed seperate from the mail server

I'm new to mail servers and still trying to understand all the components. What I read is that there are many MTAs, but the 4 common ones are qmail, Postfix, Sendmail, and Exim. I also found this ...
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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 ...
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1answer
2k views

Configure Exim to forward email

I have an Ubuntu 10.04 VPS set up to manage sub.example.com and I've configured Exim to send email using this tutorial from the Linode Library. That's working, but in addition to sending email I ...
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279 views

Can exim delay emails after a defined limit is reached?

In a vps I am limited by a certain number of sent emails per minute (they say it's a way to control spam!), I could use a relay server but I don't want! Probably I will never reach the limit, but ...
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616 views

Configure CRON to use a particular MTA

I have one server on which cron jobs are ran. I don't want to install sendmail or postfix on this server but still want to get mails from cron. I have installed Heirloom mailx ...
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1answer
160 views

Any idea about Exim 4 account auth settings

I work on a newsletter system for my project and I wanna use exim4 (lightweight version) for sending newaletters (just for newsletters because the mail is hosted separated...on google apps). But there ...
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1answer
173 views

Making CommuniGate Pro react better on SPAM and Backscatter issues

I would like to make a CGP mail server as SPAM free as possible. I made some research but didn't find so much. So my question: where should I start in order to make CommuniGate dealing better with ...
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1answer
196 views

connecting exim4 to openldap on remote server

I have a server running qmail with about 300 user accounts on a ubuntu version 8 server. I would like to migrate qmail to a new mta such as exim4.x. I have a VM setup using redhat enterprise version 6 ...
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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. ...
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5answers
268 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 ...
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2answers
273 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 ...
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4answers
517 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 ...
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2answers
1k views

Cannot send emails via sendmail and php mail() to certain domains [duplicate]

Possible Duplicate: Outgoing mail from linux not being delivered SOLUTION As someone marked this a a duplicate I cannot post the actual answer that worked for me and that can be found ...
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2answers
107 views

Exim4 Pause Outgoing IP

I'm wondering how you would go about pausing an ip address to a remote domain based on a string received. I received an error code from yahoo and my IP was blocked for a long time. I was told it was ...
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2answers
375 views

DIY Linux email journalling system

I need to journal all incoming and outgoing emails. Currently emails are relayed by Edge transport server to Exchange 2010 email store. I'd like to stick a linux server in-line with an MTA. It would ...
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2answers
2k views

MTA's poor reputation

Rather randomly only just started happening but when sending emails to certain people my emails are getting bounced back. I've set up domain keys and SPF records. I am with Just Host using an email ...
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1answer
378 views

How running a mta with exim on centos?

I'm try learning run a MTA with virtual domains and exim from 2 weeks ago. but now, I can not do any thing. i select exim for mta and dovecot for imap daemon. but i can not run them, i can not ...
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1answer
738 views

Bugzilla - How to setup MTA that will receive Gmail to create bugs

I have been looking for a while on setting up an MTA for bugzilla to receive bugs via email and am not really seeing any detailed guides. Currently I am using gmail as the outbound smtp for messages, ...
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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 ...
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7answers
1k views

Should I run my own MTA?

I need to send a large volume of emails, roughly 60.000 per week. At the moment we outsource this service to a third party, and we expect to double our volume within the next 6 months. Since the ...
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1answer
842 views

Does QMail save a copy of emails sent?

I've been asked to retrieve a specific email for a user (true James Bond-style..). It has been sent through a mail form on our website, but the user never got an email confirmation receipt because ...
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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 ...
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1answer
371 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 ...
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1answer
66 views

how to add a domain to receive email from without restarting mta [closed]

So i've been wondering that google apps adds a domain name to accept mail for that domain, but i am sure they would not go about restarting the mta to reload the settings every time. how do they ...
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1answer
253 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 ...
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2answers
156 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 ...
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1answer
441 views

Postfix: Can't recieve 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 wole tutorial but i have ...
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3answers
945 views

SMTP smarthost round-robin balancing

Our SMTP provider requires to distribute emails evenly between four different hosts. I understand that the standard way to distribute this kind of load is utilizing DNS round robin feature, but the ...
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3answers
771 views

Zimbra Alternative Open source application [closed]

I'm looking for an open source alternative for zimbra which supports outlook and thunderbird as pop and smtp clients. I don't need collaboration suite. If anyone can suggest or share their experience ...
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2answers
348 views

Sendmail configure masquerade domain

i'm really new to sendmail and i'm trying to configure it properly as my server mta. First of all i'm trying to accomplish some easy tasks as for example masquerade the domain name to show the one i ...
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1answer
317 views

qmail smtpd uptime less then 1 sec

not sure what is going on here but my qmail install isnt working corretly everything is running except smtpd output from qmailctl stat /service/qmail-send: up (pid 2874) 608 seconds ...
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1answer
331 views

Exim Throttling - how to setup exim to control email deliveries/hour to each ISP?

I couldn't find any resource about how to setup exim throttling. I needed to control email delivery flow respecting each ISP rate limits and guidelines. Can anyone point me some references on how to ...
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2answers
164 views

perl decode exim4 subject in cyrrilic

ive already looked at this article. Problem is like that, when im sending a letter throug exim4 and subject is with cyrrilic letters ive got something like this in maillog ...
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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
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1answer
347 views

Is it possible to check the Apache user's mail?

I'm trying to debug a problem with sending mail on a Red Hat/Apache server. When I send email from the command line using sendmail -t, I get bounce-back emails with messages like this: The original ...
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1answer
379 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 ...
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2answers
7k 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 ...
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1answer
307 views

Can I use DKIM verification without DKIM signing?

I'm using iRedMail and im wondering if I can use only DKIM verification and dont signing emails with DKIM??
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2answers
118 views

Qmail and setting up a mail forwarder

We have a set of servers that are isolated from our main network, they are an island from our corporate network. At the moment we have to get relay rules added each time we want to send mails from one ...
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1answer
437 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 ...
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1answer
649 views

Setup Email Server (sendmail + dovecot + squirrelmail)

I am in the process of setting up my very first email server. I can get everything up and running (thanks to apt-get). Manage to tie the users with system users. Now I am setting up virtual users ...
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1answer
536 views

Plesk/qmail - Add original recipient to the mail header (required by Tobit David)

I have a server running Plesk 8 and qmail as the MTA. Now I switched one domain from multiple POP accounts to only one catchall because the mail app at the customers side (Tobit David) has the ...
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2answers
45 views

Mail-receiver for windows-server

I'm looking for a MTA for windows, that can simply receive an email, and then invoke a program when it does, whit the email as it's parameters. Simply put: The server receives an email, than calls the ...
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2answers
801 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 ...
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5answers
2k views

other high performance mta like powermta [closed]

i am looking for alternatives to powermta. we send out a ton of mails per month and want to move to a professional mta. the alternatives can be in the price range of powermta, it does not have to be ...
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2answers
759 views

Sendmail MTA, smarthost not working

I have configured Sendmail to work with a smarthost by adding the following line to the configuration define('SMART_HOST', 'smtp.ISP.TLD')dnl and after that I issued make -C /etc/mail The mail ...