All Questions
19
questions
0
votes
0
answers
22
views
Should smtp_helo_name always be the same as your MX record?
I can't seem to satisfy HELO checks on SPF records in all cases. I have an SPF record for my domain like this:
"v=spf1 mx -all"
The MX records in the zone are:
mx0.mydomain.org.uk. ...
- 507
0
votes
0
answers
70
views
What are these DMARC failures about?
I've been toying with dmarc off and on for the last couple of months. Currently I have no policy set. I am using URIReports for report collection and analysis. Most of the results are good. We use ...
- 103
1
vote
2
answers
420
views
Email message headers pass SPF check after failing earlier SPF checks. Will this result in spam?
I have an issue where email is being marked as spam by Gmail/Google Apps systems.
When reading the mail headers, the most recent SPF check in the mail chain passes, but earlier checks fail. That is, ...
- 181
0
votes
1
answer
108
views
Managing SPF with multiple users on an email provider
I'm using Ipower for web and email hosting. I was recently made aware that SPF and DMARC were set to neutral, causing all of our outgoing emails to go to spam. I updated both records and they worked ...
- 9
2
votes
1
answer
4k
views
DMARC record is valid, but your domain's None/Quarantine policy does not yet protect it against email spoofing and phishing
People,
Using the website: https://easydmarc.com/tools/dmarc-lookup?domain=name.com
I got this error:
DMARC record is valid, but your domain's None/Quarantine policy does
not yet protect it against ...
- 1,305
1
vote
1
answer
195
views
Confused about SPF Records
I thought that ?all in SPF should not be used.
Then I examinated SPF records of some local email provider companies and I found this:
v=spf1 mx ip4:77.75.78.0/23 ip4:77.75.76.0/23 ip6:2a02:598::/32 ?...
- 11
0
votes
0
answers
1k
views
DMARC, DKIM, or SPF? Emails going into quarantine
I have never had to deal with DKIM, DMARC, or SPF records before; however, our SPF record is full (10, Cloudflare) and I have a vendor whose emails aren’t making it to our mailboxes.
I made ...
- 1
0
votes
0
answers
2k
views
Allowing Messages from IP Address DMARC
I'm still learning infrastructure stuff and need to ask a question which relates to DMARC. A user in the organisation has an app which is sending marketing messages to staff within the business. The ...
- 615
2
votes
1
answer
957
views
DKIM Key Rotation Best Practices
Do you find it necessary to regenerate your DKIM keys every 1-6 months to avoid your mail going into the receiving servers' junk mail folder?
Some guides recommend this, some even say it's "Best ...
- 1,436
1
vote
1
answer
3k
views
emails to Yahoo are ending up in SPAM folder despite spf=pass, dkim=pass and dmarc=pass
Are we possibility having a reputation problems with Yahoo emails?
Yahoo raw mail header finds my policy I published: dmarc=success(p=REJECT,sp=REJECT)
Emails to clients at Google and Outlook are not ...
- 274
2
votes
2
answers
8k
views
How to read this DMARC report? Why does Yahoo still reject mails from my server?
I've got hMailServer set up on my server, which bulks-mails a newsletter to an opt-in subscriber base. I have set up DKIM signing, a SPF record explicitly giving my server permission to send email on ...
- 273
0
votes
0
answers
325
views
Mail issues only with Google App domains
I have a local mail server set up. It is connected via a dedicated IP (with an appropriate PTR record). I have DKIM, DMARC, and SPF set up.
My domain has been added to Google's Postmaster Tools and ...
- 153
8
votes
1
answer
5k
views
Not receiving any RUF DMARC reports (forensic) but are getting RUA (agg reports)
For about 5 days now, i have been successfully receiving several DMARC RUA (aggregate reports) reports from a few ISPs, however i have yet to receive a single RUF message/forensic email, even though ...
- 83
2
votes
2
answers
1k
views
Not receiving DMARC reports from major ESPs (gmail, yahoo, hotmail, etc)
I have recently set up a DMARC record for my domain. DMARC record looks like this, only domain name has been redacted:
v=DMARC1; p=none; fo=1; rua=mailto:[email protected]!10m; ruf=mailto:...
- 415
5
votes
1
answer
14k
views
Improve Spam Confidence Level (SCL) for outgoing emails
I have a postfix SMTP server on Ubuntu. I have valid SPF and DKIM records, as verified by the email header my customer received.
Authentication-Results: spf=pass (sender IP is XXX.XXX.XXX.XXX)
...
- 1,041
6
votes
1
answer
1k
views
DMARC: must rua email match domain?
I'm trying to implement DMARC for a domain and the address specified in the rua tag is my own personal email for convenience. I have been receiving aggregate reports only from a handful of ESPs, and ...
- 415
0
votes
2
answers
43
views
Can DMARC apply to email already received?
We have a domain that has been "ruined" by spammers, using it's reputation for sending spam mails.
We're moving to a different domain and would like the previous domain to become a "death trap"; ...
- 356
0
votes
1
answer
2k
views
DKIM, SPF, DMARC, SPF OK mails are flagged as SPAM
I have a dedicated server running CentOS7 with Postfix, the problem is that all the sent mails are flagged as SPAM by hotmail and gmail despite DKIM, SPF, DomainKeys, DMARC records and keys wich are ...
1
vote
2
answers
302
views
Is DMARC helpful to me if I don't need reporting?
I have SPF and DKIM setup and working for the email domain I administer. The next recommended step is to setup DMARC since SPF and DKIM are both in place.
What are the benefits of using DMARC if both ...
- 1,079