Refers to the hardware or software that make up a server dedicated to sending and receiving emails. Many popular modern email servers bundle other functionality for contacts and calendaring along email delivery.

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2answers
63 views

Weird mail problem

There is a weird problem that I cannot think of any solution. There is a mail server Xs that has couple of domains on it and it is in Datacenter Xd. And there is a mail server Ys that has couple od ...
2
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2answers
488 views

Convert old computer into an SMTP server

I'm new to server hosting and whatnot, but I have a question regarding SMTP servers. I have an old computer lying around and would like to make use of it. Is it possible for me to have this machine ...
0
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1answer
3k views

Emails are going to spam

Hey guys, I am currently running exchange 2010, I have implemented SPF record, and tried to implement dkim/domain keys using domain sink, but it doesn't seem to work. The problem I am having is that ...
2
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2answers
504 views

Forward incoming mail to two servers

We have several domains with MX records pointing at a gateway running Qmail that we have at the edge of the network, which in turn forwards it to one of several internal mail servers based on ...
3
votes
3answers
123 views

How can you have one server for email and one for web with one IP address?

Is this possible? If I have only one ip address then changing the MX record shouldn't matter as it's the same as the www. But my email is on a different machine altogether.
2
votes
1answer
252 views

How to install smtp/email server to work with php script?

I have this code $mail->IsSMTP(); $mail->SMTPAuth = true; $mail->SMTPSecure = "ssl"; $mail->Host = "mail.craze.cc"; $mail->Port = 465; $mail->Username = "username"; ...
2
votes
2answers
215 views

How to make a temporary email service

How to make a temporary email service like tempomail, mailinator, mailexpire or similar ? How does it work ? How can I setup such service on a Debian box ?
2
votes
1answer
521 views

Restrict Postfix delivery options for local messages via sendmail/postdrop

I have a staging server running Postfix, which I want to only set up to deliver mail to example.org. If we are testing a function that sends e-mail, we want to be able to know that we won't ...
0
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3answers
114 views

Separation of website hosting from email hosting for a single domain

Is it ever good practice to separate website hosting from email hosting for a single domain, via virtualization? Example: A dedicated server hosts a single domain, xyz.com This server runs a web ...
1
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1answer
146 views

Mail Server configuration to accept all incoming message but option to Send Outgoing to a specific set of users?

Is there any Mail Server which can accept all incoming message to a user and to a outgoing message should be sent to a particular usernames not to other accounts .
0
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1answer
66 views

Secondary server testing environment

I want to test our secondary e-mail server but the primary one right now works correctly. How can I manage to make that server slow down a bit by using dns records and test the secondary server ? ...
2
votes
3answers
3k views

Any gotchas for using multiple SMTP servers for a single domain?

We want to run the majority of our mail (inbound and outbound) through a third-party service provider. We also want to keep an SMTP server running onsite that will be used with existing automated ...
1
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1answer
694 views

Queuing mail with sendmail if next hop is unreachable

I have one sendmail host exposed to the outside world accepting mail for a variety of domains, which relays mail it receives for those domains to the domain's corresponding internal server (by way of ...
5
votes
3answers
4k views

Identifying which MTA is running

I dont have knowledge on linux and how can i know which mail server is running on my linux box? Postfix/Exim? Btw Didn't found postfix folder in etc/, where can i find master.cf? .Any idea for modify ...
0
votes
1answer
182 views

Simple web front-end for editing mail aliases

I want to run a mail server (either Postfix or Exim) solely for redirecting mail aliases. Its entire function will be to process a table of users for a domain (e.g. ...
0
votes
2answers
402 views

Send Incoming Email to Multiple Mailboxes

I have a bit of an interesting email situation I'm trying to set up for a small business, that is probably far from normal, but I'm hoping someone can send me along the right path. Suppose I have two ...
0
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4answers
471 views

What should email server do with email sent to unknown users?

When my email server receives mail sent to an unknown local user should the server send the message back to the sender or should the email just be dropped? I'm just curious what is most preferred. I ...
1
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2answers
2k views

Exim send failure “421 SMTP incoming data timeout” - Message body lacks '\n' at the end

I'm trying to figure out how this issue is occurring and how to stop it. Somehow messages are getting into our inbound Exim spool without any \n at the end. When our outbound Exim process tries to ...
3
votes
1answer
1k views

nslookup works but ping doesn't

I have a server running Debian etch. It runs [qmail] and sends mail. Mail server works correct but the strange thing is from server itself it can't resolve hostnames. I can use nslookup and dig ...
0
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1answer
863 views

Mail not going as root user - Linux machine

[root@linux ~]# sendmail -v user@yahoo.com /etc/mail/submit.cf: line 545: fileclass: cannot open '/etc/mail/trusted-users': Group writable directory Can anyone tell why as a root I cant sent a mail , ...
2
votes
2answers
787 views

Sendmail disregarding mailertable

I have an out-of-box package-based installation of Sendmail on a CentOS 5.4 machine and am attempting to configure it to act as the public-facing relay server for various internal servers that handle ...
2
votes
1answer
4k views

Configuring sendmail as a multi-domain relay server

I've got several different servers running different OS's internally and each handles e-mail for specific domains. Since I only have one public-facing IP for these, I'd like to configure my ...
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2answers
640 views

How do I secure my mail server?

How can I secure my SMTP port from being telnetted by external IPs?
5
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3answers
9k views

How do I temporarily suspend mail delivery to a specific domain (non-local) with Postfix?

Using Postfix and custom transports I can manage delivery speeds depending on the recipient's domain. (For example, I send max one message per second to *@hotmail.com) I also use similar rules to ...
0
votes
1answer
600 views

Exchange error 116/EXOLEDB

Im getting the following error when starting up exchange: Event Type: Error Event Source: EXOLEDB Event Category: Events Event ID: 116 Date: 12/9/2009 Time: 11:15:24 AM User: N/A Computer: ...
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6answers
905 views

Running 2 Email Servers on same machine?

i want to migrate to a new webserver software - already installed it. now i want to test it + be sure anything works fine. is it possible to run both email servers on the same machine? i think there ...
0
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3answers
614 views

POP, SMTP and Mail Exchange servers are the same thing?

The MX record from nslookup tells the address of an MX server. In the email client, this address can actually be entered on both [incoming email server] and [outgoing email server], will this work?
0
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2answers
224 views

Back up IMAP Server

If I move to a hosted IMAP mail server solution (e.g. Google Apps) is there a way to have an on-site back up of the mail server that can be used as a local mail archive and backup solution? What ...
4
votes
2answers
2k views

Postfix: content-filter vs. milter

I have a Postfix mailserver with content filtering using AMaViS via the "content-filter" option of Postfix. Now I wonder whether it would be better to use AMaViS as a milter instead of the ...
3
votes
1answer
356 views

How can I explain to dspam that the user “brandon” is the same as “brandon@mydomain”

I am using dspam for spam filtering by running the "dspamd" daemon under Ubuntu 9.10 and then setting up a Postfix rule that says: smtpd_recipient_restrictions = ... check_client_access ...
-1
votes
2answers
166 views

something about mx records

Actually out of sheer curiousity i juz went through MX records and what came out of the search was quite confusing..i wish to know what the things below mean.. 1 a.mx.mail.yahoo.com 67.195.168.31 ...
0
votes
4answers
142 views

Find all email addresses

I'm looking for a way to make sure I've got a list of every mailbox and alias on my email server. I use courier and exim4. I produced a list from getting everything from the /home folder, but I ...
1
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2answers
274 views

What are the best practices for a safe MX server migration?

What are the steps for a safe and reliable migration of a mail server from an old hardware to a new one, being changed OS, SW and so on? Once the new machine is installed, the software is ...
0
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5answers
1k views

Email server - Disk quota sizes - suggestions?

Working out a new server for an agency of 200 Employees - with approx 240 email accounts. Internally I'm arguing with myself over the amount of drive space to allocate to each user for the disk ...
0
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3answers
633 views

Ubuntu Recover Deleted Email

Just wondering if someone can help. I have a customer email and website hosted on my server and a customer logged into their squirrel mail account (via my server) and deleted an email that arrived ...
0
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1answer
105 views

E-mail: de-facto behavior of bounces and other system messages

I'm trying to understand the reality of system e-mail messages. I am currently running an outgoing MTA (Postfix) instance, and there is a couple of details I cannot manage to put my finger on. First ...
-5
votes
1answer
389 views

How to send 500 emails from a local pc? [closed]

I want to send an email to 500 recipients but I don't want to use any gmail, hotmail, yahoo etc. as they impose several restrictions. Someone told me to install a SMTP server on your local pc and an ...
1
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1answer
590 views

How do I persuade Dovecot and postfix to use multiple passwd files for user accounts and passwords?

I'm setting up Dovecot and postfix for the first time, and I'm a little stuck. I'm sharing a virtual server with a few other people and I want a separate user account file (passwd file) for each ...
-4
votes
3answers
359 views

Why is the mail-server sending a copy of a message to wrong recipients?

We're using MDaemon 10 as the mail-server software. The serious issue with it is that, it sometimes, and quite randomly, send a copy of a message to one or more wrong random recipients who have ...
1
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2answers
2k views

Rewrite Email Subject

Is there a way to rewrite a subject of an Email on the receiving MTA (presumably at the Spam Filtering stage). An example would be if giving Email accounts to young children where certain words need ...
2
votes
6answers
474 views

Email server for windows

Look for a good email server for windows other than exchange server do you guys have any recommendations? only need IMAP/POP3/SMTP and SSL support for small biz use, no more than 100 users 20 ...
0
votes
1answer
153 views

Most simple, easy to service and update DIY spam/virus filtering SMTP gateway

I run email for several companies, and I want to set up my own SMTP gateway to migrate their domains off hosted spam filtering services. I wanted an opinion from someone who actually runs email ...
0
votes
1answer
1k views

Correct Setup for Network Solutions (2 hosts - 1 for email, 1 for website)

First let me say I am a self taught web builder and I am at a very basic level just trying to get my small art business website up and running by myself. I enjoy the graphic design piece the most but ...
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votes
4answers
5k views

What's the best SMTP provider? [closed]

I'm considering using an SMTP service to send mail for my web app. Google Apps is great and free, but limits to 500 outgoing per day. I've heard about AuthSMTP but it looks pricey. Any suggestions? ...
0
votes
1answer
186 views

Other mail servers coming from exim4 with vexim

Our current setup is exim4 with the vexim addon. Since we have to move our mailserver to another server and into a VM we wanted to do it right and switch to another mailserver if that is suggested. ...
2
votes
3answers
3k views

Setting up a mail server best practices to be recognized as legitimate

What are the best practices to configure a mail server to have your mail recognized as legitimate non spam messages? Is it to use Domain Keys, Sender ID, Sender Policy Framework, some or all 3 of ...
0
votes
3answers
1k views

Migrating from one mail server to another.how?

So untill recently I have been using own email hosting using smartermail. Now I am tryin to migrate a bunch of my clients to shared hosting. (in my case rackspace cloud hosting). The only problem is ...
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votes
2answers
94 views

Which step do I need to set up the mail server using postfix?

I have to setup mail server with domain abc.com and virtual user in Mysql database ! Now I have my DNS MX record point successfully to my mail server ! I google around ... too many tutorial and ...
6
votes
2answers
993 views

What settings should my email server be mindful of to avoid bounce back from major email providers?

So I think my postfix+dovecot+roundcube+postfixadmin+sasl+spamassassin+amavisd-new+postgrey setup is working correctly. I can send out emails to certain domain names. Receiving definitely works; ...
1
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1answer
925 views

Local only email with qmail

I'm using CentOS with a "Parallels Plesk" installation, a default qmail configuration and want to restrict email traffic to my virtual domain (no incoming/outgoing mail from/to any external domain). ...