The MX record is a type of resource record in the Domain Name System that specifies a mail server responsible for accepting email messages on behalf of a recipient's domain.

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Correct DNS settings for my server setup

I am struggling to understand the correct DNS settings for my server setup. I have a web server with a single IP and 6 domains hosted on it. I got IIS6's SMTP virtual server working yesterday and ...
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2answers
53 views

Receiving mail in a python process on an aws instance

I'm using a Python smptd server on an AWS instance. It's listening on localhost, port 25. I can send mail to it through a Python smtp client on the same instance. I have an elastic IP associated with ...
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2answers
967 views

Sender address rejected (mx record not found)

I am using both Exim and Office 365 to send email - the server sends automated mails from an application using Exim and Office 365 handles day to day user and incoming email etc. I am getting some ...
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2answers
82 views

email arriving at wrong exchange server

We are having problems with receiving email from one customer, where any emails they send to subdomain.domain.com is being received by the exchange server for domain.com, resulting in an error ...
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2answers
47 views

Email hosting on multiple servers

I have a domain with hosting on godaddy while the domain is registered on BigRock. My email Ids are hosted on google apps, which was providing 10 free accounts some time ago. I wish to add few more ...
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1answer
73 views

What's the proper way to setup a domain name to not accept email?

RFC 5321 sec. 5 states that: SMTP clients must look up for an MX record; if no MX record for domain is present, look up for an A Resource Record (RR), and if such record is present, treat it as an ...
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1answer
48 views

BIND int/ext views, need to return ext MX to int clients

Any DNS pros out there? I have a problem that's stumping me. I have a BIND DNS server that (with views), supports both internal and external DNS. All internal clients look at the internal view for ...
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1answer
443 views

Mail rejected if it is a reply to previous mail

I have the problem that a server is rejecting emails from my mail server if they are replies to previous mails. If a new mail is sent it can be delivered. Either I receive this error message host ...
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1answer
89 views

Exchange 2003 issue after changing external DNS mx record

We currently use an external spam filter service that forwards our incoming mail to our internal exchange server. We have decided to stop this service and use Sophos pure messgage on our exchange ...
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1answer
3k views

hMailServer Email + MX Records Configuration

Trying to make DNS changes to enable email to be sent using hMailServer. My mail server is on a separate machine with a separate IP Address. I have already added MyDomain.com and an email account I ...
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1answer
50 views

Get a catch-all DNS and set a MX for a special domain

I'm trying to set a catch-all configuration with Bind. I've followed this answer and it works fine : http://serverfault.com/a/397011/179968 Now I'm trying to configure my MX record to configure my ...
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1answer
116 views

MX record set up using Zoho mail and Linode DNS manager

I've decided to try Zoho's email service given that it's free up to 10 users. I'm having difficulty getting my mx records to jibe correctly with Zoho. Unfortunately Zoho's documentation is over ...
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1answer
91 views

Dns filezone setup with mx and spf

I am trying to create a mail server. I bought the domain mastermails.info on godaddy.com. I am struggling with the setup of DNS. Whenever I change something in the MX record to make my server ...
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1answer
109 views

DNS Redirect Website to another Server

I have two servers, server 1 and server2. The name serververs of the domain points to server1. 1.I have this configuration regarding Server1 DNS Zones: domain.com. 1200 IN A server2-ip Edit ...
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1answer
35 views

Next Step in Migrating Exchange 2003 to GMail (SPF risks when changing MX record vs disable SMTP)

Our company has been struggling to migrate Exchange to GMail for last 2 years (I will leave this for /r/talesfromtechsupport). We have two domains on two different ccTLDs, and lately Exchange is just ...
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1answer
241 views

Switching hosting, keeping mx records

Nice to meet you all! Here is my dilemma: I have to move a website to another hosting but keep the domain. The client currently has email set up with google apps and the mx records are set up ...
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1answer
333 views

MX Record with Google Apps and Hosting

I am a web dev, but I rarely config DNS/A record/MX records. I have a client who registered a new domain name with Google Apps trial, which means the domain name is registered with GoDaddy and the ...
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1answer
362 views

Configure server to foward unroutable emails to another email server

Is it possible to configure a Linux mail server (we're running exim) to forward unhandled emails to another server? Here's an example of what I'm trying to accomplish: an email get's send to ...
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1answer
308 views

sendmail - local mail delivery if user exists, otherwise to external mail server?

i have a debian vps with webmin, The TLD for the server has its MX pointing to a different server, I would like it so any mail generated locally, say by the shopping cart would be ...
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1answer
130 views

rDNS setup to prevent emails appearing as spam / phishing messages

We are trying to send email without the email appearing in the spam folder. The emails that we are sending is solicited bulk email. The main problem is that the emails are appearing as phishing ...
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1answer
55 views

How to forward emails from a domain to 2 different servers?

I am not sure the title describes my problem properly, so let me explain. I have a domain called example.com. I have currently set it up for email services from Microsoft Live domains. I have done ...
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1answer
62 views

MX DNS one IP two domains

I have two domains: 'example.com' and 'elpmaxe.org' and a server - 'server.example.com' At the moment the mail for 'example.com' is hosted elsewhere so I have set up postfix, dovecot etc to be able ...
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1answer
125 views

SMTP - Routing in RFC 821 and RFC 2821

RFC 821 indicates that the MAIL verb can be given a <forward-path> argument of the form "@ONE,@TWO:JOE@THREE" to indicate intermediate routing hosts (@ONE,@TWO) and the final receiver of the ...
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1answer
56 views

Server is able to receive mail, but mail it sends never get to destination?

I have a OS X Server behind a router. Server's ip address is 10.0.1.3. The router has open ports on everything and an external ip. I've setup my mail exchange. I can receive mail people send to me ...
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1answer
143 views

Email-only hosted in Godaddy and website hosted in my server

so there is the thing. The domain registar is Godaddy.I want the email account to stay in godaddy and the website to another machine. i changed the domains nameservers from godaddy panel to point my ...
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1answer
672 views

Unable to receive email to my own email server from outside

I am creating a mail server for my domain. I bought a domain from GoDaddy.com. Domain is crazywako.info. I have webserver on that machine too. It is running Ubuntu 12.04 with postfix, courier-imap, ...
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1answer
223 views

getting PHP mail() to work when MX records redirect all mail traffic to another server. (Postfix, sendmail)

Some background info: I have a website (lets say 'example.com') running off a LAMP server (ubuntu 10.04), and all mail traffic is handled by an external email service. My DNS records are set so that ...
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1answer
359 views

Google Apps - Wildcard MX record to handle multiple sub domain aliases

I have added several wildcard MX records on my Domain Management Console, which all point to Google Email server and their backup email servers, e.g. 10 *.mydomain.net ASPMX.L.GOOGLE.COM ...
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1answer
160 views

Xmail shows error at Gmail

Hello I am using Xmail server at IP 65.75.241.26 hosted at www.softmail.me using which I can send and receive email to/from all email service providers but unable to receive back from Gmail. This ...
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1answer
216 views

rDNS mx record problem, smtp test fails

down vote favorite I am doing test at mxtoolbox.com ptr: ip -> mydomain.com mx: mydomain.com ->myip but smtp:173.231.15.144 -> OK - myip resolves to myip.hosted.static.hostingfirm.com / Warning - ...
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1answer
408 views

Exchange 2010 High Availability two sites mx records

I currently have two sites where one is just a spoke that talks back the exchange server at the main site. Luckily I'm finally getting some bandwidth between the two and I'm trying to figure out a ...
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1answer
409 views

Hosting mail for domain separately - using Godaddy/Plesk/MediaTemple/Heroku

So currently I have a domain name managed through godaddy. Its hosted on Heroku, and I use custom DNS zones through godaddy, as heroku doesn't host email. I have a mediatemple account, which I'd ...
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1answer
194 views

Can you set default MX records for all forward zones within DNS (Windows Server 2008)

Is there a way to set some default MX records that are added to any new forward zone that is created within the DNS manager in Windows 2008 Standard? If not is there a command line I can run to add ...
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1answer
317 views

Moved DNS and Email Hosting, Now Can't Send/Receive To/From Domains Hosted on Previous Host

Our company had 4 domains whose emails and DNS were hosted by usintegration.com, and then we moved the email and DNS hosting for 3 of the 4 domains to a new company. Now, the 3 domains that were moved ...
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1answer
63 views

A-Record to point to hosting vs. changing DNS while keeping the mail externally

I currently am dealing with a client whose e-mail is hosted on Google. We are just in the process of taking over their domain, but their current hosting company suggests a different set up than I do ...
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51 views

Big Trouble with (I think) Outlook X500 addressing

I moved a small client from one hosted Exchange server (Microsoft Office 365) to another (Intermedia.net). Some emails from External senders to the users on the new server host are undeliverable, ...
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0answers
101 views

Exchange 2007 not delivering to primary MX of one domain

I'm trying to send email to a domain that has two MX records. The higher priority record is IPv4 and the 2nd is IPv6. Exchange gives me a delivery is delayed message in my inbox after I've tried to ...
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418 views

Benefits of using a subdomain for sending email?

Assume I own the domain name, example.org. I am creating a setup where I receive email sent to me@example.org using Google Apps. The MX records for example.org already point to Google's servers and it ...
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Why does RFC 2181 disallow MX record with a CNAME exchange?

According to RFC 2181 http://tools.ietf.org/html/rfc2181#section-10.3 10.3. MX and NS records The domain name used as the value of a NS resource record, or part of the value of a MX ...
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0answers
32 views

Error when delivering email to Gmail from my server, and MX records for sub-domains

I hope I'm posting in the right forum. I'm having some trouble with email being sent from a forum I run. The email is coming directly from the sub-domain, as in notifications@community.example.com ...
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45 views

Create an MX record alias?

I have a domain example "copperwidgetmakers.com" for this domain, I get mail at washers@copperwidgetmakers.com. A few months ago we got annoyed at typing this in twitter and other sites and we ...
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164 views

Windows Server 2008 DNS server CNAME resolution and TTLs

We have a Windows 2008 SP2 DNS server configured to use root hints. We have a certain MX record lookup that it periodically fails to resolve for our client machines. The lookup is for the MX record ...
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960 views

MX records not working on Amazon route 53

I have configured my Amazon route 53 DNS to add the google apps MX records and here is how my route 53 configuration looks like (please ignore the upper red box in the photo) : However, these MX ...
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0answers
159 views

Disable local delivery ONLY for authenticated users in Qmail

We are moving some mailboxes and servers. I'm looking for a way to use remote delivery (with normal MX lookup) instead of local delivery ONLY for authenticated users, in Qmail. connection to port 25 ...
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0answers
818 views

How to force emails through reseller dedicated IP using WHM/cPanel

I followed this tutorial: http://docs.cpanel.net/twiki/bin/view/AllDocumentation/WHMDocs/EximDifferentIps To specify "which IP addresses specific domains on your server should send mail with Exim". ...
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40 views

Sending mails from a contact form to a mail adress of the same domain but the mailserver is not the same like the hosting server

I have a website example.com/contact with a contact form hosted on one server. For the emails info@example.com I use an other server. In the settings for the domain I redirected the A-entry for the ...
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0answers
55 views

Mail not getting to users on Google when MX records specified in Amazon Route 53

I configured the MX on my Amazon AWS Route53 and I was told that some of the users don't get any emails with this domain. When I send myself an email everything works fine now, and I doubt that ...
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0answers
53 views

MX Records Error in Windows SBS 2011

i've a problem with MX records in my DNS Server, and i can't figure out why. (xxx.xxx.xxx.xxx is the server IP) Direct Zone: (equals to main) Exchanger Mail (MX) [10] mail.example.com mail ...
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0answers
43 views

global autoresponder google apps

We just migrate our main domain to a new one. (@olddomain.com -> @newdomain.com) Now we want that people who send emails to any account in @olddomain.com, receive automatically a message like "the ...
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0answers
147 views

Domain migration between two Google apps accounts and Backup/Gateway MX usage

We are trying to merge two google apps accounts. One of the domains will need to end up as a secondary domain within the other google apps account. I think I have found a way to go about this to ...