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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3answers
263 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
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2answers
158 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
2k 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
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1answer
190 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 ...
8
votes
3answers
2k views

Linux- Is an MTA required?

My VPS image (Debian 6) comes pre-installed with sendmail as the MTA. I will use this server as a web server, and maybe other usages but not as a mail server. I want to remove as many unneeded ...
4
votes
1answer
351 views

Is null return path reliable indication of a bounce?

I have a mailbox that receives bounces as well as normal email (the latter includes messages from automated services). I want to filter out the bounces and forward them to another mailbox. Assume I ...
1
vote
1answer
530 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
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2answers
312 views

spf record setup

Emails sent by mta from my server recognizes by spam filters as spam and there's message : Received-SPF: neutral ... Actually, I am not spammer :) So, I googled around these questions and found that ...
0
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1answer
122 views

How to check which mta / mail program is in use?

Is there a command to tell me what MTA/sendmail a unix system uses? Thanks very much
1
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1answer
159 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
107 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 ...
2
votes
2answers
489 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 ...
1
vote
1answer
114 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?
4
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1answer
187 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 ...
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
3k 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 ...
0
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1answer
346 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 ...
1
vote
1answer
712 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 ...
1
vote
1answer
182 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 ...
1
vote
1answer
244 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 ...
0
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1answer
315 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 ...
2
votes
1answer
77 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
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5answers
303 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
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2answers
422 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
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4answers
742 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 ...
0
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2answers
2k 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 ...
0
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2answers
117 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 ...
1
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2answers
487 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 ...
1
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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
395 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 ...
1
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1answer
905 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, ...
12
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1answer
6k 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 ...
20
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7answers
2k 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 ...
2
votes
1answer
1k 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 ...
1
vote
1answer
2k 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
442 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
68 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 ...
3
votes
1answer
310 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
173 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
718 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 ...
1
vote
3answers
1k 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 ...
0
votes
3answers
1k 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 ...
0
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2answers
584 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 ...
2
votes
1answer
354 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 ...
1
vote
1answer
366 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 ...
0
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2answers
207 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 ...
5
votes
1answer
6k 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
391 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 ...
2
votes
1answer
435 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 ...
8
votes
2answers
13k 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 ...