Questions tagged [mx-record]

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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CNAME domain to a subdomain with no MX reocrds

Should email to [email protected] work? test.com CNAME something.else.com else.com MX 1 <google mx> I think there are some references out there requiring RFC1912 not having CNAME records along ...
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1 answer
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Migrate email server with MX records

We need to migrate a mail server to another host with almost no downtime. My question is, if we set two MX records one to the old server and the other to the new one like: mail.xy 10 x.x.x.x mail.xy ...
1 vote
2 answers
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What DNS Changes should I make?

I'm moving a website to a new server. But I only want to change where the website is pointing to. So basically example.com and www.example.com. I'm afraid if I change the A record for @, mail will ...
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1 answer
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Can't use domain name to access mail server from outside LAN

Thanks for the assistance with my last post, it was able to work itself out nicely. Now I have another issue... I have got an A DNS record setup pointing mail.melia.tech to my public IP address I ...
4 votes
1 answer
6k views

Do I need an MX record for email forwarding?

I have my domain askerov.net registered with mydomain.com so that all incoming email is forwarded to my Gmail account using the email forwarding feature of mydomain.com. Note that I don't have Google ...
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0 answers
139 views

mail server mx record only shows dns ip

I am trying to setup BIND9 (Master and Slave DNS Servers), which I have done, and it is working as it should be (I believe). I can dig the domain name I am using and IPs and extract all the neccessary ...
2 votes
1 answer
4k views

Use PowerShell to obtain Office 365 DNS records

For the past while, I’ve been learning PowerShell to administrate our Office 365 tenancy instead of using the web interface. After adding a new domain and confirming ownership of the domain name (all ...
1 vote
2 answers
818 views

MX record delegation

I have a client who manages their own DNS - all the A records and CNAME records for example.com and a number of subdomains. They want to use a dedicated subdomain for email - em.example.com. They ...
1 vote
1 answer
282 views

Spam Email Delivery and MX Records

I hope this is an appropriate post. We've had some sites on VPS's hit with a recent hack. The hacks were cleared up, the sites were set as "devious/dangerous" by Google were re-scanned by Google in ...
1 vote
1 answer
286 views

DNS Setup with Azure and terraform - MX records non-functional

How do you set up a Domain MX record on Azure with Terraform's azurerm provider? When you set up an MX record, it is normal to make the name the FQDN "example.com." (at least with BIND). Terraform/...
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1 answer
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Where is email delivered if the domain on a shared IP has A record but does not have MX records?

Some say that an mail server can deliver email to the IP address where the domain is pointed to by A record even if the domain does not have corresponding MX records, though it is not recommended. ...
3 votes
1 answer
3k views

Why does CNAME for a root domain conflict with most other records? [duplicate]

As far as I understand, a CNAME record is served to retrieve only the A record of its destination. E.g.: www.example.com CNAME domain.com Here the DNS resolver will search for the A record (IP ...
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1 answer
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Postfix - MX: Host not found error but dig and nslookup are OK

I had a working Postfix email server on Centos 7 when I decided to reconfigure my host networking (IP addressing, DNS, etc.), after reconfiguration, mail sending is no longer working. /var/log/...
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List yahoo/hotmail email domains

Problem: I want to get/find a list of yahoo owned domain names that would, given the same local part, go to the same mailbox. And analogously, a list of such hotmail domains. Background: I have an ...
3 votes
3 answers
8k views

How to send email to specifix MX server?

I want to send an email to an specific email server. The MX records of the domain do NOT point to this server, but the receiving server is configured to receive emails of the domain under test, let's ...
7 votes
1 answer
1k views

Why do I see so many domains from businesses without MX records?

I'm doing internet servers for like 30 years now. The last three years I went back into operations and working with all the new infrastructure wonders. Feels really great. From time to time I am doing ...
1 vote
1 answer
707 views

Spamassasin rule to flag certain MX IPs

I've noticed a flood of spam that is related to the same range of IPs. All the spam email has different HTML text (which is english but meaningless) and a few embedded pictures (which I block) but ...
0 votes
1 answer
486 views

Unrouteable Address with Office365

Before we get into the question, here's some context that I believe would help y'all to understand my situation better: My domain (foo.com), is owned by Network Solutions (NS), same for the DNS ...
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2 answers
2k views

Why MX record is not updating the correct A record

I've notice about cache in the ISP's but i wish know more about this and how to deal with that. I have more of 24 hours waiting my MX record update to the correct IP. Look this: I have an 5 priority ...
3 votes
0 answers
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If I'm using Netlify DNS servers, is there a way I can get emails to forward to a Gmail address? (for a host on Google domains) [closed]

I'm trying to use Netlify (https://www.netlify.com/) for deployment to a custom domain which has worked. But in order to do that, I've switched from Google's DNS servers (the domain is registered on ...
-1 votes
2 answers
3k views

Changed nameservers lost email

My client had a website on Wix and his domain name was registered at Aruba.it. I set up a new website for him with my host (1&1 Internet) and I have today changed the nameservers with his ...
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0 answers
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Moving IMAP mailbox from a Linux server to G Suite

I have my old mailbox, which was hosted by my hosting provider. I want to move it to a new one, like G Suite. To access my old email, I used imap.mydomain.com server. I now moved my site to a new ...
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1 answer
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AWS: How to properly set up mx record for website hosted on AWS S3 buckets?

I have a static website hosted in an AWS S3 Bucket. The website works fine. I've tried adding an MX record using '10 mail.domain.com' in every variation I can think of to write the record but I ...
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3 answers
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how can i set my mx records right for email fallback?

i'm going a bit crazy over this one. so someone might help me clear out my doubts. in my company i have set up two emailservers. mx1.example.com (on-site) mx2.example.com (remote vps) both with ...
3 votes
1 answer
381 views

Moving DNS hosting for Active site to Route 53 - with G Suite MX TTL of 1 week

I am following the steps outlined in this AWS guide to transfer my domain hosting from GoDaddy to AWS. Step 4 requires me to lower TTL for my existing NS Record to avoid downtime if I encounter issues....
1 vote
3 answers
655 views

Google DNS not updating MX or SPF information from 1&1 IONOS-hosted domain name

We made a change to one of our MX records on Saturday, August 17, and . the change propagated fairly quickly. When we run a DNS check against it, it appears that every nameserver worldwide has picked ...
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627 views

MX Record Cutover to Office 365

We recently migrated all of our mailboxes from Zimbra to Office 365, and we are currently running a split domain. I want to reconfigure my MX records to point to Office 365 while minimizing the ...
-1 votes
1 answer
156 views

NS change but MX points to domain

I will be changing the nameservers for a client to my server for a new website. I will be using Cloudflare as it also adds SSL. The problem is that he has an MX record pointing to mail.example.com. ...
1 vote
1 answer
1k views

Mail migration from old hosting provider to dovecot

Unable to find a decent tutorial on this and the dovecot wiki doesn't seem to specify much other than the command line parameters for doveadm sync. I need to move emails from a hosting provider to a ...
0 votes
1 answer
239 views

Using Route53 for web hosting but moving email to 1&1

I have recently moved a domain from 1&1 to AWS Route53. On successful transfer, I've configured Record sets for MX NS SOA TXT CNAME My understanding is that from now onwards AWS manages web ...
4 votes
2 answers
10k views

Create MX Record for Subdomain

I have two Zimbra mail servers. One of them serve for stuff and the other one serve for student. So I want to create use two different mail template like [email protected] and student_mail@student....
3 votes
1 answer
11k views

How can I setup free email forwarding using FreeNom and ImproveMX?

I have a paid domain at FreeNom. It refers to a website hosted by GitHub. I want emails send to this domain to be forwarded to my personal email account. ImproveMX claims to facilitate this. FreeNom ...
3 votes
2 answers
4k views

SPF Record Fails - How to verify Server IP Address and managing multiple SPF records [duplicate]

I'm trying to verify the mail sent by our server. With our current DNS settings, sending mail from our server shows an SPF Neutral response. I tried adding a combination of my server's IP and Domain....
2 votes
2 answers
154 views

MX Record Answer Contains Same Domain

What does it mean for an MX record to have an answer section that contains itself? My earlier belief was that this implies that a domain is it's own mail domain, but from running a couple experiments ...
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1 answer
2k views

Ignore MX record and send mail directly to an Office365 address [closed]

I'm a bit of an amateur at this so bear with me, here's the problem: The current email provider for the company only allows a single Office365 exchange account per subscription. They do not allow ...
0 votes
0 answers
209 views

Updated MX Record Causing Bounce

We recently migrated our company to a new mail provider (Gmail), and updated our MX/SPF/DKIM/DMARC records. Checking the DNS propagation via https://dnschecker.org/, all changes are reflected. ...
0 votes
1 answer
11k views

MX record pointing to Hostgator

I would like to host only my email on host-gator but website on Amazon. How do make it work? The support don't really have the knowledge of this. I tried to create a A record to the hostgator , can ...
3 votes
1 answer
2k views

Why postfix does MX lookup for relayhost?

I have in the postfix conf: relayhost = my.internal.relay.example.org All the mails transit through this relay. by default, postfix will try to do a MX lookup on my.internal.relay.example.org Why ...
3 votes
2 answers
20k views

BIND and SERVFAIL

I know that this is a little outside the scope of this website, but I am trying to set up a test DNS server, and it absolutely refuses to resolve the local domains. I've tried following the advice of ...
2 votes
2 answers
6k views

Does MX Record forward or redirect?

I have a simple question on how MX Records work. When I enter an external mail server address (e.g. to Google Suite/Mail) in my hosts control panel, do mail get redirected (meaning not saved first) or ...
1 vote
0 answers
690 views

MX Lookup failed for outgoing email

We use GMS (Gordano) mail server v3793 on a Win2008 box. Since 4 days ago, outgoing mail has failed for all external domains, with POST log entries similar to the following: DNS gmail.com - No ...
0 votes
3 answers
447 views

secondary backup mail server

I currently have my domain on CloudFlare which is set-up with my one and only mail server, what i want to do is make so the new incoming mails are saved on both my main and second server, i read on ...
4 votes
1 answer
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Should I reject mail to test domains?

RFC6761 states about example domains (such as example.com): Application software SHOULD NOT recognize example names as special and SHOULD use example names as they would other domain names. ...
2 votes
1 answer
376 views

MX record pointing at apex domain

I'm currently playing around doing some development on an all-in-one box which is hosting web and mail services (among others), and I have a DNS question I can't seem to find a good answer to. ...
2 votes
0 answers
254 views

Receiving emails in a different DNS provider, should I add MX or NS records?

This is similar, yet different than How should I setup separate MX records for a subdomain? in that I want another DNS provider to handle receiving emails from a subdomain. I have a DNS zone provided ...
0 votes
3 answers
2k views

MX record pointing to A record with two different IP's

So my problem is simple I just need a solid answer so that I don't break the email service. I have two servers one for mail and other for the web service. The web server is responsible for the SSL ...
2 votes
2 answers
3k views

"hostname given in the SMTP greeting MUST have an A record pointing back to the same server."

I get this error when checking my DNS with an external tool: Spam recognition software and RFC821 4.3 (also RFC2821 4.3.1) state that the hostname given in the SMTP greeting MUST have an A ...
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1 answer
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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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1 answer
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How to enable SMTP on Windows Server 2016?

I recently purchased VPS service to allow me to host a site. My mail provider is zoho.com. In order to get it to work, I would need to add 3 entries under Mail Exchange records (MX Record) as the ...
0 votes
1 answer
890 views

Why are emails sent to me bouncing with incorrect MX records error message?

I am having some very strange issues with email delivery to two different domains in separate google apps accounts. real domain name is liberatumsolutions.com and libsol.eu. The below error message ...

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