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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setup posfix mail server - allow local emails (error 550 5.7.1)

I have from on website and submiting it should sens question email to support on behalf of customer (puting his email addres as sender) Problem is that support does not recieve email but insead ...
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1answer
14 views

Using a subdomain to send email through Google Apps without migrating email from primary domain

Is it possible to set up email through Google Apps such that a single box, such as info@mailer.mydomain.com, can be used for bulk email without having to migrate all company email across to Google ...
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2answers
42 views

MX Record Host Name Change

I'm trying to set up my own email server, but am unsure what to change the MX record 'target' to. (I'm unclear if this is the correct terminology, hence the inverted commas.) I should say that I'm ...
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1answer
45 views

How to include multiple spf domains with different mechanisms in a single spf TXT Record

EDIT : How to Mix the different mechanisms (a , mx , ip4 , ptr and include) to create single SPF file from 4 I know that 2 simple SPF records like v=spf1 include:_spf.google.com ~all v=spf1 ...
8
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4answers
251 views

MX records, better setup for load balancing and failover

Take domain example.com, it has two mail servers mail1.example.com and mail2.example.com, both already configured, usually I would go with the following setup: example.com. 1200 IN ...
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1answer
39 views

Creating DNS CNAME or MX aliases

How can I create a CNAME or an MX record alias, for example, I need smtp.mydomain.com to resolve to smtp.yandex.com so that on my email client I should enter smtp.mydomain.com instead of ...
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2answers
51 views

Will e-mail addresses for different domains arrive at the same mailbox if MX records are identical? [closed]

Say I have bluppfisk@bluppfisk.com, but I want bluppfisk@bluppfisk.co.uk to be treated as an alias without setting up a forward. Can I just configure the MX record for bluppfisk.co.uk to point to ...
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1answer
52 views

What is the minimum requirements to receive mail for a specific domain?

I think it is: A MTA - Mail transfer Agent software on the server A MX record, a DNS record specifying which server receives mail for this domain. This would deliver mail to a file on the server ...
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2answers
55 views

MX Records and A Records Updated But Email Addresses Can Still Send Email [closed]

I have updated the MX Records, the A records, the Z records and the cname for a particular domain but the emails registered with the hosting provider can still send email. The changes have definitely ...
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1answer
36 views

MX Record for a physical server

I've a physical server which is used as a Mail Transfer Agent(MTA), I'm using postfix as SMTP server and cyrus as IMAP. I've a static IP for the server and have SSH access to it. Postfix and cyrus ...
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1answer
74 views

No PTR record according to gmail

Recently, I installed iredmail on my VPS and configured DNS records (including ptr). It confirms nslookup: nslookup zelenin.top Name: zelenin.top Address: 191.101.251.182 nslookup -query=mx ...
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1answer
38 views

How to Properly Set SPF Record [duplicate]

I am new to setting up server, this is my first time setting up mail server on my own. I am using ubuntu with webmin, everytime I send and receive from gmail, I had no problem. I can receive emails ...
0
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1answer
65 views

Mail servers complain that there's no valid MX record but there is

We have a domain that uses gmail for its mail exchange but some mail servers are bouncing our emails with the following message: The error that the other server returned was: 550 The email sent ...
-3
votes
2answers
36 views

What is the best way to setup email hosting on different server [closed]

we want to use server "xyz" for emails and meanwhile keep the site on server "abc" we have entered both name server records into godaddy. ns1.abc.com ns2.abc.com ns1.xyz.com ns2.xyz.com In server ...
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1answer
47 views

DNS mail record concatenates IP address and hostname together

I have the following BIND zone file pointing the webserver to yyy.yyy.yyy.yyy and the nameservers and mail server to xxx.xxx.xxx.xxx: $TTL 300 @ 86400 IN SOA ns1.domain.com. ...
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1answer
21 views

Email reception directing the domain request to EC2 instance

I'm not able to receive any emails on my GoDaddy hosted domain after changing the DNS settings for redirecting the domain request to an AWS EC2 instance. Even though it's a common scenario, I would ...
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0answers
40 views

Using MX records for load balancing on *outgoing* email: bad practice?

I operate a Rails application (a Discourse forum) that needs to send out email. My sysadmin told me I shouldn't use a specific outgoing mailserver, but rather specify my domain and have my app lookup ...
1
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1answer
28 views

How to redirect MX records to origin domain name?

For a home setup I only have 1 public IPv4. So I have to use it for all my hosts. Luckily I have only one. So in the DNS I use the at sign @ to define the origin, example.com with an A record where I ...
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2answers
42 views

Local mail + external Office 365 Exchange account

I'm not an expert at all so I'll try to explain my problem clearly. I've a domain that I manage with cPanel. I've also an Office 365 solution I suscribed directy on the microsoft website. When I did ...
0
votes
1answer
31 views

Mail Clients stopped working after MX Change

At first I was using 'example.com' as my MX record and everything worked fine, IMAP, SMTP, sending mails from the mail clients. And then I changed my mx record to 'mail.example.com' and everything ...
0
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2answers
61 views

How reliable is validating email domain by reverse DNS MX record checking [duplicate]

This question is not about how to protect against spam or validate a particular email user. But how reliable is validating emails domain (does it exists at all) by reverse dns. What are the pitfalls ...
0
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2answers
32 views

MX record for different email domain

I'd like to create an MX record inside my lan to test a local email server, but with a different domain name. I have a Windows 2012 DC and a domain called company.local, what I'd like to do is to ...
10
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3answers
281 views

MX priority server behaviour

This is a question about MX procotol priority. If I have two server as MX with different priority: MX 10 serverA MX 20 serverB Is this guarantee by the protocol that the MX 10 is the prefered? Can ...
0
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1answer
2k views

Missing or Invalid DMARC Record in server mail

my main problem is that I am not receiving mails to my domain after adding an MX Server to my domain for mailing in Webmin, and After testing a server by mxtoolbox.com tool, I found that there is ...
3
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1answer
170 views

No MX records?! Zone file for Shopify vs. hosted email

One of my hosting clients has a website: www.vincedevito.ca. Some time ago, he decided to use Shopify as his primary website, but I still host his email. Therefore, I set up a DNS Zone with GoDaddy. ...
0
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1answer
66 views

MX records for wildcard and subdomains

I would like to setup the MX nameservers of a domain domain.com so that every income email goes to mailgun (or other inbound email processor), including all the possible subdomains ...
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0answers
42 views

Email validation fails on HELO / RCPT TO commands to records

I'm migrating a mailing service from a server to another. Before setting up new mailing list I wanted to process it through an email validtor I've setting up on the server. I basically used this tool ...
2
votes
3answers
109 views

Two technologically different mailserver (Postfix / Exchange) for one domain

I have a couple of users on a Debain Postfix Mailserver. All is fine. Now we need to put some users to a hosted Exchange Server (Office 365). Is it possible to configure the mailservers and DNS MX ...
0
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1answer
34 views

Migrate website away from cPanel but keep email on cPanel? [closed]

I'm new to cPanel/WHM and have relatively basic knowledge of MX records/mail routing, so bear with me if I'm missing something obvious. I've a new customer who has a VPS with cPanel/WHM installed. ...
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votes
2answers
60 views

Why are my MX records not being found and working [closed]

Ok I have been racking my brain for hours and have read every article I can find about MX records. I am just not sure why mine have stopped working. Here are my current MX records: Domain ...
-4
votes
1answer
28 views

How to know MX record details of a subdomain or destination server to which emails are routed in a case co-existent of two service provider [closed]

In case of two co existent service email provider for one domain. How can i know the mx record of a destination server if I don't know the details of a subdomain. Are there any tools to detect the mx ...
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2answers
33 views

Moving to different hosting provider, what does it mean for MX record and static IP?

Currently, our ISP is also our hosting provider. Our MX record points to mail.example.com. when our website is at example.com pinging mail.example.com gives the static IP we get from our ISP. The ...
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2answers
137 views

I recently changed my hosting and now I can only send emails and not receive using GMail [closed]

I have a domain name (emmasteed.co.uk) that I have hosted with UK Reg and I recently moved my hosting to GoDaddy. I have an email that I have used for a few years now: emma@emmasteed.co.uk. When I ...
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votes
1answer
55 views

How do I configure postfix to deliver mail to the first MX record only?

Currently have a postfix server running as a backup mail server for several different domains. So when the primary mail server goes down, email will go to the backup server (second in the order of ...
16
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2answers
820 views

Server 2012R2 DNS server returning SERVFAIL for some AAAA queries

(Rewriting most of this question since a lot of my original tests are irrelevant in light of new information) I'm having issues with Server 2012R2 DNS servers. The biggest side effect of these ...
7
votes
3answers
628 views

MX record point to itself, possible?

Lets say I have the following DNS active for domain example.com (leaving out priority and ttl) example.com A 123.45.67.89 mx.example.com A 123.45.67.89 example.com MX mx.example.com ...
0
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1answer
41 views

Postfix - Google Apps for Business - MX Records - DNS

We are planning a migration away from Google Apps for Business handling our email services. The services worked well to get us out of the gate, but now we need to consider scale, both volume and ...
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3answers
172 views

Wildcard CNAME, normal MX record: Risk of unintended mail routing or hijack?

Our domain has the following DNS records: *.example.com IN CNAME foo.org example.com IN A x.x.x.x example.com IN TXT "v=spf1 mx -all" example.com IN ...
0
votes
1answer
75 views

Google Apps email messages being flanged as “failed fraud detection” on outlook [duplicate]

mx entries for gmail and spf code for gmail is in place on cpanel however every time I try and send an email from my google apps account it gets picked up as fraud on outlook, and spf=softfail (if ...
0
votes
3answers
352 views

Properly configuring DNS for email sending on multi-domain hosting VPS

Background I have a VPS, with one external IP hosting <10 domains (DOMAIN.TLD). Each domain receives and sends email. Each domain has associated DKIM / SPF / MX entries. The PTR record exists and ...
0
votes
1answer
542 views

Postfix + Dovecot + IMAP SSL: imap-login: Aborted login

Am getting familiar with email Mail Server components and configuration. Knowing that there have been quite a few configuration changes to Dovecot 2.x and willing to use SSL encryption, I have come ...
0
votes
2answers
30 views

Create multiple email-server names

My email server has two domains and the email hostname for each of them is mail.domain1.com. I'm attempting to remove the 'mail' in mail.domain1.com for domain 1 and set domain 2 to domain2.com. So ...
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votes
2answers
94 views

How to configure Zone File to point a subdomain to another IP

I'm trying to configure a subdomain for a staging machine we have, to no avail. I'm no expert at all in Zone Files and configuration management, so please be patient if something I say sounds weird or ...
-2
votes
2answers
103 views

how to have domain without www and MX records work together? [closed]

I think i have a common problem but wasn't able to find much resources for answering it. We have a domain and it works when we resolve it as www.domain.com, i have also setup a MX record pointing @ to ...
-4
votes
1answer
131 views

VPS Email Setup - Can send but can't receive [closed]

Set my first VPS up yesterday and brought a domain name from 123-reg and got the domain working properly. However today I set up an email account via cPanel. The email account can send out emails but ...
0
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1answer
91 views

Inserting mx records in forward zone

What is the correct way (and why) to add MX records to a forward zone using bind9? Option A @ IN MX 10 mx1.example.com. @ IN MX 20 mx2.example.com. mx1.example.com. IN A a.b.c.d mx2.example.com. ...
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votes
2answers
86 views

Setting up Google mail server on custom domain

I'd like to use Gmail for Work for my own domain and I have troubles setting it up. So, before that in my DNS config I had an "A" record (mail.example.com), pointing to the email server I used. Now, ...
-1
votes
1answer
97 views

Change MX record to another server

I have a host-machine with Centos 7 and a guest machine with Centos 6.6. I want my guest to be a mail server on dedicated static ip for all my domains (on the same host-ip and not). P.S. I use ...
2
votes
1answer
120 views

PHP/mail is sending emails to wrong mail server

Recently we have switched our email Exchange server from Intermedia to the Office 365. After that change web server (LAMP) is still sending emails to Intermedia. I have check dig MX for our domain and ...
0
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0answers
11 views

Proper records for mail and domain [duplicate]

I am having the following question: I have a domain (let's say example.com) and I need to set up the proper records for the e-mail so that to minimize the possibility for a message to go to spam. I am ...