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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1answer
2k views

Wildcard for A and MX records possible?

I'm building an app where each customer can have their own subdomain. For this example, he setup his subdomain to be: whisky I created a wildcard subdomain in my DNS: *.myapp.com A 123.123.123.123 ...
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3answers
521 views

Sending an Email from 2 Mail Servers

We are currently attempting to move away from using a "local" mail(exchange) server to an cloud based offering for all our automated emails. The problem is that we send and receive thousands for ...
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1answer
2k views

Which ports are open at http://aspmx.l.google.com? [closed]

When I try a Nmap scan it shows that all ports all filtered, but how does this domain ( aspmx.l.google.com ) suppose handle all the mails if all ports are closed, when using Google Apps for ...
3
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1answer
250 views

Is It OK to Rewrite Email Addresses Intended for Remote Delivery to Use CNames?

I've discovered that a remote site is rewriting email intended for our machines to use the CName of the machine that the mail was addressed to (e.g. mail@virtual.virtualdomain.com becomes ...
2
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1answer
370 views

4th level domain name PEC (mail) server on different mail provider

I have one of my domains on the 2nd level domain .co.uk., registered with 123-Reg, a British DNs provider, and I get various services on that domain from Google Apps, by the note US company. I would ...
0
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1answer
426 views

Will the Domain SMTP IP been blacklisted cause the Email Contains the Domain not deliver?

One of my domain is using https://www.cloudns.net/ as DNS server, they also offer email forward, so I need to setup my MX to 5 mailforward1.cloudns.net 10 mailforward2.cloudns.net to use the ...
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2answers
86 views

Redirecting email from from domain registrar to hosting comapny mailbox

I have the domain example.com registered with company A I have the hosting with company B (ServerGrove) Company A offers me simple parking, and company B offers me mailbox service. What I would like ...
0
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1answer
118 views

Setup a DNS wilcard and MX record in the same zone

I'd like to know how to configure my DNS to be able to use a wildcard for my domain and an MX record together. Here is what I've done: @ IN SOA dns98.ovh.net. tech.ovh.net. (2012052100 86400 3600 ...
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2answers
660 views

Changed domain A records for new static ip, but no mail

We have recently changed our ISP, I have changed the mail and mailserver DNS 'A' records for our domain name to point to the new external static IP address assigned to the router by the new ISP (the ...
2
votes
2answers
427 views

VPS with Debian Squeeze cannot forwward email - Name service error for name=gmail.com type=MX: Host not found, try again

I have postfix set-up on my Debian VPS, I can: send emails receive emails on my server But forwarding emails from my server to gmail does not work! I configured google's DNS through ...
2
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2answers
1k views

CloudFlare offers DNS root CNAMEs. Any resolution gotchas to be aware of?

I'm not that familiar with the inner workings of DNS, preferring to just add my CNAMEs and A records as appropriate, and leave the behind the scenes to other services. I host a few sites on Amazon S3, ...
1
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1answer
423 views

Google Apps Email; Is an Secondary MX Server Required?

I'm considering moving some clients to Google Apps Email and I'm concerned about potential email downtime. Assume that the domain is hosted on a VPS, and the MX records pointing to Google are also ...
0
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1answer
795 views

Emails from Hotmail to our domain always bounce

Now this is a rather odd problem with emails from any hotmail address being bounced by one of our domains. First off, I can guarantee that this is not a spam filter issue as there is defintitely ...
0
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1answer
526 views

2 MX dns round robin for with same domain name for Exchange 2010

I have an Exchange 2010 server that is visible under 2 MX records mx.acme.com and mx1.acme.com with 2 different IP addreses from 2 different network providers. They both report as mx.acme.com when ...
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4answers
194 views

mx record for a mail sender only server

For configuring the dns for a mail sender server and go trought the antispam policies, Is it necessary the mx record for it?
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4answers
464 views

MX records without A records

I have a site hosted on Openshift and it allows users to add domain name aliases using an external DNS provider. I'm using Cloudflare for my DNS. However, since Openshift's IP addresses are known to ...
0
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4answers
436 views

Where to set up MX and SPF records on sendMail or google apps mail server

Here is my senario: I have domain say myDomain.com is using google app mail server to send and receive emails I have a sendMail server deployed on my a cloudServer that I am using to send email ...
2
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1answer
2k views

Configure MX record when DNS are pointing to a Heroku application

SEND EMAILS I want to use my_domain.com addresses, and overcome the 5 mails/minute limitation of Gandi, my domain provider. My application is hosted on Heroku. For this, I am considering 2 options: ...
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3answers
1k views

setting up mx records

I have my domain on godaddy.com I have my web server on rackspace.com I created 2 forwarding emails on godaddy.com (email1@domain.com and email2@domain.com) pointing at mypersonalemail@mailprovider ...
0
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1answer
671 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, ...
5
votes
4answers
3k views

MX Record Propagation

How long does it take a change in MX records to propagate? Is the MX record TTL the max time it will take or do we also need to wait for all DNS records to propagate? We are changing our mail server ...
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3answers
900 views

MX Record for SubDomains

I want to be able to send email to any subdomain I like and not have to configure A records and MX records for each subdomain. Ideally I could send an email to test@a.domain.com and test@z.domain.com ...
0
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1answer
45 views

Mail on other server

Here is the current DNS setup: mx.example.com 3600 A 93.157.123.73 example.com 3600 A 93.157.123.93 www.example.com 3600 A 93.157.123.93 mail.example.com 3600 A ...
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1answer
69 views

Confusion of mx record and send mail from home server [closed]

Is mx record means once anyone want to send the mail to others, they have to go to dns to register a one mx record , that is a domain name, such as hotmail .com, in this domain name will point to at ...
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6answers
1k views

MX record, different mail and web server

My domain(www.site.com) is hosted on a webserver running cPanel. My mails are handled by my ISP's server. To retrieve my mails, I use the following setting given by my ISP: pop3.isp.com smtp.isp.com ...
0
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1answer
106 views

Using aliases for MX records

I have a domain, say example.com, and don't run my own mailserver so I use my ISP's, say myisp.com, so in my DNS the MX records point to ex1.myisp.com and ex2.myisp.com. I also have an ill-conceived ...
11
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4answers
857 views

Are separate dns records necessary for web and mail on a single server?

When setting up a web/mail server on a single server or VPS with one IP address almost every guide online follows the same structure for DNS: example.com. IN A 192.0.2.0 ...
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1answer
232 views

2 email systems, MX records on different name servers, can they work at the same time?

I'm working with a church that has a website hosted by an outside company that handles all of the DNS for them (we just point our NS records to their servers). The platform (FaithConnector) includes ...
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2answers
1k views

Ubuntu Linux - Postfix is rejecting all email coming from non-localhost

I am not sure exactly what is going wrong here, but my server (Postfix?) seems to be rejecting all external emails going to the server mydomain.info. Here is the bounce-back message I am receving, ...
0
votes
1answer
749 views

Lost emails during MX change to gmail

I recently moved emails for domains that I host to gmail (keeping the @mydomain.com email address). I thought I was doing everything right so no emails would be lost, but this turned out not to be the ...
0
votes
1answer
608 views

Google MX records won't update

I've read through other questions like this but on and off for 3 weeks now I keep trying to update my mx records in my Google apps account but it always stops at 48 hours and says to try again. I'm ...
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2answers
267 views

Exchange Receiving Mail Outside Domain, without using MX

Sorry if this is crazy sounding or not feasible, just a student trying to toy with Exchange in my own lab. I'm using ad.chigs.me as my FQDN for my Active Directory install on Windows Server 2008 R2. ...
0
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2answers
323 views

DNS Zone - redirect mail to another ip

I'm have my DNS server set like this: mail A xxx.xxx.xxx.xxx mail MX 10 because I want to redirect all mail traffic on server xxx.xxx.xxx.xxx but it does not forward my emails to this ...
2
votes
1answer
409 views

No MX record found for mail.mydomain.com

I am following this guide on how to set up a mail server, Postfix, and one of the assumptions is that I should have an MX record for mail.mydomain.com. Postfix Guide However, I only have an MX record ...
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2answers
67 views

If I see domains MX to google, which address I will have?

If I set my domain's MX records to google as it said here http://support.google.com/a/bin/answer.py?hl=en&answer=33915 then what address I will have if my domain is mydomain.com and my email on ...
0
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2answers
68 views

Does adding new MX record go along with adding a new CNAME record?

If I add an MX record for a subdomain email address, do I also need to add a CNAME for that subdomain? For example I want email addresses like *@mysubdomain.mydomain.com to be handled by a different ...
2
votes
4answers
12k views

How do I set an MX record in Route53 for a GoDaddy domain?

Can't seem to find an answer to this question on AWS' forum, not in the Route53 manual, nor on Stackoverflow/Serverfault in a way that makes sense...and GoDaddy's support sure as heck ain't got an ...
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1answer
5k views

How to define TXT SPF record with multiple senders

My setup: DNS hosted by BigCommerce which is our eCommerce and website host BigCommerce automatically created an SPF record like this: "v=spf1 +a +mx include:_spf.bigcommerce.com -all" I used a ...
5
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2answers
355 views

Null MX records

The IETF appears to have had a draft to specify a null mx record whereby a domain would not handle mail and mail delivery systems would fail and return a undeliverable system immediately by directing ...
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3answers
2k views

MX Subzone DNS Setup on xname.org

I've a zone example.tld configured with a wildcard CNAME (1&1), A records (custom & 1&1), MX records (1&1), and a subzone record (NS) pointing to ns1.xname.org. I've configured the ...
1
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1answer
182 views

Point domain to cPanel and Google Apps

I want to point my domain to cPanel for hosting and Google Apps for email and same time I want the domain to ignore mx entry on the server so if the server goes down I can still receiving emails to ...
0
votes
1answer
1k views

how solve ERROR: No reverse DNS (PTR) entries. The error MX records are:

i have remote access to my windows server 2008 r2(DNS-IIS-FTP-MAIL), please see the link below for my web site : http://www.intodns.com/polyafzar.com how can i fix the error below in my server : ...
0
votes
2answers
110 views

DNS MX configuration

Can anybody confirm this would work ? I have two MX-configured DNS records to handle smtp and pop. I'd like to implement a 'mailing list' server in another machine so: Would it do any harm the fact ...
0
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2answers
535 views

VPS with WHM - Email Setup

this is my first time (well the past 3 days) hosting my own accounts on a VPS. I have this with heartinternet and also had a resellers account which I'm now trying to transfer everything across to the ...
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3answers
310 views

What's the ideal greylist scheme with multiple MX in different locations?

We currently have two MX servers in the same physical rack, they are sharing the same greylist database, and everything seems to work well. The two MX have different priorities and they are on two ...
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5answers
3k views

How do I setup a secondary incoming mail server?

I currently have a server running Debian 6, with postfix and dovecot handling email. This server hosts email for a number of domains and users, so I use MySQL as my backing store for users and ...
0
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3answers
377 views

Catch-all subdomains email

I want to catch all emails sent to * @ *.domain.com to a single account, how do I do that? I've already set up a wildcard MX record, and it resolves correctly. But I'm having trouble finding any ...
0
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1answer
162 views

Mailman for lists with an external mail server for mailboxes

I learned how to setup Mailman with Postfix for a domain like "@lists.domain.com But for regular mailboxes for this domain, I'd like to use the free email hosting solution of the hosting company ...
2
votes
4answers
2k views

MX records not correctly updated by the Google DNS servers

We are currently losing some e-mail and we discovered that this is caused by a wrong DNS setting. We used a CNAME for our MX record an thats not allowed. So about 2 weeks ago we changed it to an ...
0
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1answer
71 views

Subdomains for MX using CNAMEs

Let's say I've got a wildcard subdomain CNAME for root domain: *.domain.com CNAME domain.com domain.com A 130.71.45.31 This works well for websites, e.g. subdomain.domain.com. Now let's say I have ...