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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27 views

Does an MX DNS Record Sub-Domain need to exist as another DNS Record?

I am trying to setup a mail server on my Ubuntu server. In setting up the DNS MX Record for the mail server I am confused. I have added an MX record for mail.domain.com simply because it is the ...
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1answer
38 views

Determining the old MX record [duplicate]

Our sysadmin created our mailserver years ago before he left. We recently decided to use gmail as our mail app and they required us to change the MX record to point to them on amazon route 53 app. I ...
2
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1answer
29 views

Multiple MX records pointing to multiple servers for a single domain

Is it possible to have multiple MX records pointing to multiple mail servers for a single domain? Must all mail accounts be identical on each of those servers, or is it possible to have ...
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1answer
24 views

Set MX records on a CNAME domain (heroku app)

I have a heroku app on a subdomain like x.herokuapp.com which is mapped to my domain name via a CNAME record. I want emails to be handled by zohomail so I've tried setting up MX records but these seem ...
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1answer
68 views

How can I disable local mail delivery in Centos?

I want to disable local mail on my Centos VPS because the I have a web form (on a website which is hosted by the VPS) which is delivering mail to the local mailbox rather than looking at MX records to ...
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1answer
47 views

Website Contact Form stopped working when I moved mailserver [duplicate]

I have a Centos server with ZPanel Installed. This server is used for hosting a website. Previously, I hosted mail on this server using a "Roundcube" mailbox however, I moved to exchange therefore, I ...
0
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1answer
29 views

Is it possible to see changed in email headers because of MX record changes? [closed]

I have a need to know when an MX record changed. I know from previous messages that there isn't much online that can help me determine the exact timing of the change, but is there a way in my ...
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2answers
33 views

Bouncing email due to bad initial MX TTL?

Last Friday night we changed mail servers. We moved off Office 365 to another hosted Exchange Solution (Intermedia.net). We use Godaddy for DNS, and after the server migration stuff was ready and ...
3
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0answers
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, ...
-1
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1answer
146 views

Dig shows external configuration? [closed]

I'm already trying for 2 days to deal with an answer for this problem. I have a virtual server somewhere and installed postfix/dovecot/mysql. It works somehow. I can login with Outlook with the ...
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2answers
57 views

MX vs SRV records [closed]

At first sight, it seems that MX and SRV records serve the same purpose. They both: Point a client to the name of the host the server is on Support prioritizing/fallback I'm aware that MX ...
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1answer
52 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
15 views

ec2 setting up MX record not working

I am trying to set up google business emails for my site and I am having trouble creating the MX records to work. I have added all 5 records and they have not registered. This was add a couple of ...
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0answers
45 views

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 ...
3
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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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votes
1answer
26 views

Emails old MX, A and CNAME records [closed]

I need urgent help please. One of my clients had a domain(example.com) which they forgot who they bought it from 3 years ago. i transferred it to my hosting account as addon domain, then they told me ...
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1answer
45 views

Can send, but not receive email

I am able to send but not receive email on my server - this is similar to an issue I had before, but I've gotten further along and my emails send without issue. I believe the email receiving problem ...
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0answers
33 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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2answers
58 views

Can email be hosted on a different server than the website?

While of course the answer in general is a resounding yes, this is my particular issue. A person has a website "example.com" that is hosted unfortunately at hostgator. There email "@example.com" is ...
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1answer
55 views

Setup cPanel to use MX records defined at domain registrar level (and not local MX records) [closed]

I use cPanel (without whm on this account) for a number of domains within the same account. For some of these accounts we are only using the related hosting for website hosting, the email is hosted ...
0
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2answers
59 views

Mail don't reach server

I have VPS and serve several domains. DNS/MX config should be ok, as for *.com domains mails are both sent and received. Problem is with my country domain - *.hr (Croatia) - mails are sent, but ...
2
votes
1answer
73 views

dns mx record for virtual domain

I am setting up several virtual domains on a single VPS and I'm a little confused about MX records. My desire is for users with email accounts on the various virtually hosted domains to be able to use ...
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1answer
68 views

Cloudflare secondary name server timeout

I recently switched over to Cloudflare and some people have problem sending mail. I've checked and double checked my DNS settings and they look right. However, I have found that querying the secondary ...
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1answer
39 views

exchange 2007, dual wan draytek 2925n router with 2 ISPs [closed]

Purchased a Vigor Draytek 2925n dual wan router. Domain is hosted by dreamhost.com and the single mx record points to exchange.mydomain.com Internet is provided by my managed office building: they ...
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0answers
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
57 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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1answer
123 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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votes
1answer
70 views

how to not bounce, postfix to not return “not found” when the address does not exist [closed]

I want to enable a second MX with the same domain, with some users on different MX. how is this to be done? how do I tell postfix to not bounce, postfix to not return "not found" when the address does ...
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1answer
46 views

Previous domain owner receives emails 2 years after transfer

Two years ago I purchased a domain from a seller. The domain was hosted from his godaddy account then transferred to my godaddy account. A few days ago, the seller sends me an email saying that he has ...
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2answers
136 views

Two mx records for two different mail servers in the same domain?

I have a domain named example.com. I want to set two mail servers on this domain. The main purpose to set these mail servers is to have two different mail server, as if we have two different domains ...
-1
votes
1answer
98 views

How to check MX record when delivering to virtual domains?

I run an Exim mail server with multiple virtual domains (a setup similar to this). The server is the smarthost for some other servers. Suppose I have a virtual domain example.com which has a ...
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0answers
56 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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3answers
63 views

Need to migrate hosting service without email service downtime

I have a client, who uses Gmail with his own domain for email, he updated his mx records and everyting. now we need to switch hosting providers without any email downtime. Email service is really ...
1
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1answer
68 views

The correct PTR record in DNS

I'm confused with my DNS records. I own a domain (e.g. example.com).I've set A record for my SMTP server (e.g. smtp.example.com) for outgoing emails. The email address is (e.g. ...
3
votes
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 ...
0
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1answer
68 views

DNS - How to make existing domain to no longer resolve & maintain functional MX record [duplicate]

I would like an existing domain to no longer resolve (terrible historical SEO? work, content will move to another domain) And at the same time only maintain that domains historical email address for ...
0
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2answers
4k views

Emails not being delivered to server from certain mail servers: “domain has no valid mail exchangers”

I'm having trouble with a server that I administer. I've been told that a number of emails aren't coming through. These are consistently from certain people. Here's the bounce error that they ...
0
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1answer
118 views

Why is mail going to an old mailserver after I changed the MX records?

I have a strange problem. I had to transfer mails from one server to another. I set up a server with QMail and Plesk, and everything is working. I created mail accounts similar to the accounts on the ...
0
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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 ...
0
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1answer
63 views

what're the proper DNS record settings for google apps so that my site hosted on another company can send email that won't consider spam [closed]

I'm using Google apps email and I have a website that's hosted on shared hosting company. How should I configure the DNS records so that incoming mail will get to Google but at the same time email ...
0
votes
1answer
57 views

“relay access denied” after changing domain A record

I'm experiencing issues with email, specificially "Relay Access Denied" errors after changing my A record for my apps domain name. It was previously setup like: Host a manages dns (mydomain.com in ...
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votes
1answer
72 views

How does an MX relay work, as in, how is my SMTP server supposed to use it? [closed]

I'm trying to set up a Postfix server (any other software would be ok for me as well). I don't have a static IP, and that can apparently be quite a problem for e-mail purposes: I managed to "send" ...
1
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0answers
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 ...
2
votes
1answer
51 views

Relay Access Denied - Combined with external mail service

I have a client website which is spitting out this error message after you complete any of the forms: Mistake in recipient address! 554 5.7.1 : Relay access denied Mistake in sending data! 221 ...
0
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1answer
59 views

smtpdiag tool lists wrong mail servers

I have a weird issue on a server. When i run the smtpdiag tool, it lists the old mail server settings (with mx servers being website.com & mx01.1and1.com). here're the results Checking MX servers ...
-1
votes
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 ...
3
votes
2answers
567 views

Backup MX server used to queue mail

In short: I need to setup backup MX server, which will queue messages it receives for later delivery through original MX, AND it must only accept messages for mailboxes which will be listed in ...
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1answer
62 views

Finding valid email service providers in a large list of domains

I have a list of approximately 13K free email/webmail providers from circa 2000. Obviously the vast majority of these services have gone out of business, and the domains have either lapsed, or been ...
-1
votes
2answers
55 views

Strange MX Record behaviour / Google Apps

If I check my DNS settings on this site (http://www.dnsinspect.com), I find these settings, which are correct in my opinion: Your name servers returned 5 MX records: 1 aspmx.l.google.com. TTL=86400 ...
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2answers
62 views

SPF with a Mail Gateway: do I need to put all my mail servers?

I always put all my Mail Servers in SPF declarations, but I'm not sure if this is the correct way to implement SPF. All my mail got routed through a Mail Gateway. Everything goes first to this server ...