3
votes
Multiple MX records with different domains - help prove me right
GoDaddy is wrong - as Bob Brown notes in the comments, MX records are for redundancy, and it is not only legal to have two that point to different servers, it is sometimes necessary. (Backup mail ...
- 1,893
3
votes
For custom DNS records in email, will having 2 MX with same priority cause issues?
The MX records are for reveiving mail. The CRM most likely only sends messages. Do not add the MX record. Instead, focus on configuring SPF+DKIM+DMARC to support this new use case.
- 49.8k
3
votes
record DKIM on IONOS makes sense?
I just wasted an hour on chat with Ionos support asking for DKIM information. First I was offered this link:
https://www.ionos.com/help/domains/configuring-mail-servers-and-other-related-records/...
- 31
2
votes
Accepted
Using mail.example.com for the MX DNS record
OK, so there are two issues here.
With the MX record itself, with most providers you likely can't just point your own A record to their mail server because it will break secure SMTP connections. The ...
- 1,037
2
votes
Accepted
Difference in Google MX record IPs and upper-lower case hostnames
Because google does load balancing. Resolving the same name in different locations or at different times will give different results.
You should not pay attention to what response you get when ...
- 9,254
2
votes
Exchange 2013 MX priority
By Wikipedia: According to RFC 5321, the lowest-numbered records are the most preferred.
Thus this is a configuration (if which needs to be corrected) on the recipient's end.
However, in Exchange you ...
- 179
2
votes
Accepted
Postfix on IPV6: no MX host for yahoo.co.uk has a valid address record
First lets look up the MX record
$ dig mx yahoo.co.uk
...
;; ANSWER SECTION:
yahoo.co.uk. 1717 IN MX 10 mx-eu.mail.am0.yahoodns.net.
...
Now lets see what IPv4 addresses that hostname ...
- 1,645
1
vote
SPF Record - Over 10 lookups should include website hosting in SPF
Google's NS admin is acting clueless, bit them with a clue bat.
multi-part txt records are a thing and they should use them.
viz
$ host -ttxt _spf.google.com
_spf.google.com descriptive text "...
- 946
1
vote
How can I filter incoming email and then forward to another MX server?
You can configure the MX to go another service, that would relay to your organization after, but most of these solution are antispam solution.
It really depend on your need.
You could configure a ...
- 17.1k
1
vote
DNS not fully propagated after more than 48 hours, MX records not even showing on online tools, Google Workspace not working
A few weeks ago I transferred my domain equimobi.com from Google
Domains to Bluehost. 5 days ago I modified the nameservers to bluehost
(ns1.Bluehost.com, ns2.Bluehost.com) and created the MX records ...
- 35.5k
1
vote
Will this work? Adding an alias domain and moving primary domain MX to M365
It is possible to Change your primary domain for Google Workspace instead of adding an alias. That would make more sense, if the mail is not handled by Google Workspace anymore.
Instead of buying a ...
- 49.8k
1
vote
Configuring Cloudflare DNS for Office 365 to Maintain Separate Mailboxes on sitground.com
You can't manage this at the DNS level; DNS only knows about domains, not actual email addresses.
When you configure the MX record for a given domain to point to a given email service, all emails ...
- 71.3k
1
vote
Accepted
POSTFIX - sending mails. My mails sent outside bounce back
Why do you have
relayhost = [mail.aufy.pl]:587
This is telling the server to relay mail to itself and is very likely where your problem is. If this server is meant to relay all mail to an ...
- 6,302
1
vote
For custom DNS records in email, will having 2 MX with same priority cause issues?
Yes it will break their Gmail, as other mail servers will start to round-robin between the 2 MX hosts with priority 10. So some of the email will hit Gmail and some of it will hit Sendgrid. This is ...
- 1,158
1
vote
Accepted
Why are emails to Microsoft (e.g. Hotmail and Outlook) never being received?
Search through your servers configuration and clear up mentions of invalid (unregistered) or inappropriate (not registered by you, authorizing your server) domains.
Microsoft is merely echoing what ...
- 9,783
1
vote
How to change host and retain email MX records
It appears you're referring to moving to a new web server, although your question could use some clarifying details.
If my observation is correct, then changing the A record as in your example will ...
- 111k
1
vote
Accepted
How to change A record in DNS and keep email working when MX record point to the domain itself
Since your MX record currently points to the domain itself, that means it's essentially pointing to the @ DNS record. So when you update that the MX destination is changed.
Add an additional A record ...
- 1,037
1
vote
How can you test a backup / secondary MX server?
Your Answer is https://www.wormly.com/test-smtp-server/
it does exactly what you are asking for.
Only top scored, non community-wiki answers of a minimum length are eligible