All Questions
18
questions
0
votes
1
answer
226
views
How to proper dns zone config for selfhosted email server
Looking to harden the sending authentication of my email server, I am looking for some usefull hints on the topic.
As I have in total 4 Vps Servers where emails will be send from, registration ...
0
votes
1
answer
1k
views
Setup DNS records for SMTP send-only server
I have website on hosting with domain exmpl.com.
I have DNS record for exmpl.com:
exmpl.com MX(10) mail.exmpl.com
mail.exmpl.com A XX.XX.XX.XX
exmpl.com TXT v=spf1 +a +mx +a:hosting.server ~all
All ...
0
votes
1
answer
5k
views
550-5.7.26 Unauthenticated email from domain is not accepted due on ERP only
I have made updates to our mail server to use DMARC. So after This our ERP system cannot send emails to gmail.com or yahoo.com but Outlook sends emails with no problems.
Below is the header for an ...
- 21
-1
votes
1
answer
127
views
Does record domain "include:" also refers to subdomains?
I have a doubt setting up my SPF record. I would like to know if I set up an include record in the SPF record will also be "including" the subdomains of that principal domain that I have included?.
...
- 11
1
vote
3
answers
5k
views
SPF setup for mail and relay server
So I am quite new to mail servers and looking for help with setting up SPF properly for this environment:
mailserver (IP 11.11.11.11, example.com, random.com, test.com)
relay server (IP 22.22.22.22,...
- 17
1
vote
1
answer
500
views
You apparently created more than one SPF record on your DNS
I am getting this error from mail tester
What we retained as your current SPF record is:
v=spf1 include:sparkpostmail.com ~all
More information about this error:
You apparently created more than ...
- 1,459
1
vote
1
answer
2k
views
Error: SPF record must be in the correct format
I need some help with set up the SPF record. When I created the SPF record just like this:
v=spf1 a mx include:_spf.google.com include:getresponse.com ~all
When I run this for a test:
https://...
- 101
-3
votes
2
answers
3k
views
not allowed to send mail from my own account?! DNS lookup / SPF
I give training and therefor i have a gmail account
(linked to my weebly website www.serenewarrior.nl)
Sometimes I get a Delivery Status notification (below) saying I am not allowed to sent mail and ...
- 1
2
votes
2
answers
565
views
Setup DKIM record without server signing
I'm using on one of my domains as hosting provider 101domain.
I know that they don't have a good reputation, but since I have two sites to manage and one of them has multiple ccTLDS domains I wanted ...
- 21
1
vote
1
answer
130
views
Main and separate mail server with one zone file?
The setup is one main server (domain.tld) with an online shop and exim4 to send mails and a second server (mail.domain.tld) dedicated to the company mails.
The DNS right now looks somewhat like this:
...
- 113
0
votes
1
answer
895
views
Is subdomain delegation necessary for proper SPF support?
We host many email groups. For some, we let people use their own domain or subdomain (email is sent using the (sub)domain and the web archives are also hosted at the (sub)domain). When using a ...
- 101
4
votes
1
answer
5k
views
SPF settings for a domain added to gmail
I have a domain on my host which I've added to Gmail. It has the following SPF record,
"v=spf1 a ~all"
All emails that I send from Gmail are correctly verified and have the following header,
spf=...
- 145
0
votes
1
answer
2k
views
DKIM key length causing failed validation?
I setup a DKIM record where I had to break up the value because it exceeded the 255 character length limitation. But now I see that online checkers are complaining about the p= not being base64 ...
- 649
0
votes
3
answers
5k
views
Why are my messages being rejected due to SPF record issues? [duplicate]
I'm looking for a little guidance as to how to setup a server I am working on, so that emails get through to people without being sent back by an SPF filter.
I send out email and this is the response ...
3
votes
2
answers
3k
views
What are the implications of inserting a DKIM record for a third party sending email on our behalf?
Our organization is setting up an account with a third party cloud service that will be sending emails on our behalf. Our marketing department would like to eliminate the "via" or "on behalf of" bits ...
- 273
-1
votes
1
answer
129
views
SPF record for sending emails
The website is under our server with the domain: xxxx.org.il
the client email is [email protected]
the email they get is from a third party
the email we sent from the website are trough one of the ...
- 317
4
votes
1
answer
83
views
Can the dns' domain be in its own spf record?
I'm finally fixing up my dns zone files in Gandi, which has a handy feature that lets me use the same zone file for several domains. So I can keep 1 zone file for a single domain and all its tld's.
...
- 1,114
0
votes
2
answers
3k
views
Correct SPF Record Usage? [duplicate]
My txt entry for my domain is as follows:
"v=spf1 a ip4:aspmx.googlemail.com ptr:aspmx.googlemail.com include:aspmx.googlemail.com -all"
I have also tried to use ptr in addition to a. ...
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