All Questions
Tagged with spf authentication
13
questions
0
votes
1
answer
267
views
SPF records pass in Gmail sends but show failure in Postmaster
I'm using Sparkpost as the ESP to warm up a secondary domain. We've used this Sparkpost IP for our primary domain for a few months without a problem. I've been tracking the deliverability of the ...
13
votes
2
answers
16k
views
How does DKIM work when sending emails from multiple sources/servers?
So if I'm understanding DKIM correctly, it basically is a public/private key type of service. However, how does this work if you send emails from multiple servers/sources? For instance, I have a ...
- 141
0
votes
1
answer
89
views
Gmail couldn't verify that MyClientSite.ie actually sent this message (and not a spammer)
I'm having problems with delivery of emails from an application on a web server to Gmail. Gmail is displaying a round circle with a question mark, instead of the first letter of the sender, and ...
- 115
0
votes
2
answers
2k
views
SPF PASS in gmail body/FAIL in google postmaster
I'm using a third party ESP for sending mail and have configured my domain www.styleupdates.co for including the SPF records from them. The third party emailer shows our SPF records alright, emails ...
- 11
0
votes
1
answer
2k
views
How to configure SPF to pass local IP address?
I have a database CentOS 7 server connected to an application CentOS 7 server via a cross connect cable. The mail server resides in the application server, with the following SPF configuration:
v=...
- 176
-1
votes
1
answer
60
views
Changing e-mail authentication-related DNS records
Suppose that I have e-mail service on my domain, say example.com, with a Sender Policy Framework (SPF) Domain Name System (DNS) record ("TXT" type) for authenticating sending Mail Transfer Agents (...
- 121
15
votes
2
answers
19k
views
What does dis=NONE mean in an email's Authentication-Results header?
The following is from an email I received recently:
Authentication-Results: mx.google.com;
spf=neutral;
dkim=pass [email protected];
dmarc=pass (p=REJECT dis=NONE) header.from=...
- 274
-2
votes
3
answers
2k
views
Is there any standard for DNS <-> IP authentication?
I'm looking to implement an authentication mechanism which allows to enforce access policies based on the domain name of the client. The authentication server uses the information available in the DNS ...
- 335
0
votes
1
answer
1k
views
SPF Softfail when Txt Record Exists
I am getting softfail for SPF and Sender-ID and I tested it by sending an email to [email protected].
My Set-up:
1 VPS hosting 1 website
Postfix for Send only emails
No incoming ...
- 1,481
0
votes
1
answer
946
views
Spam sent from fake email accounts on my domain [duplicate]
One of my clients is getting thousands of "Delivery Status Notification (Failure)" emails per day and it's replied to random email accounts that don't exist on the domain. The content of the emails ...
- 101
6
votes
5
answers
7k
views
Hotmail Sender ID always fails with "temperror" regardless of SPF
When we send mail to Hotmail servers, they do not recognize our Sender ID. In the receiving mail source, it reads
Authentication-Results: hotmail.com; sender-id=temperror ...
when it should say pass ...
- 61
0
votes
1
answer
129
views
What is the best approach for setting up a good, secure smtp server on Debian?
Which server do you recommend? (postfix?)
Which configuration for authenticating users for sending mail?
Which setups for making it inbox friendly (dkim, spf, domainkey etc)?
Is there some detailed ...
- 539
2
votes
2
answers
256
views
How important is sender validation, and what matters?
When I started learning how to configure email, SPF existed but there were doubts about whether it was a good thing, and the value of offering SPF records in DNS. Now it seems that it is widely ...
- 630