All Questions
20
questions
0
votes
1
answer
206
views
Mail proxy with SPF and DMARC without changing FROM headers
Here is my situation.
We have internal network, with lots of 2nd level subdomains - foo.internal.domain.ltd as example.
Those subdomains may or may not have public DNS records with Class A IPs.
Then, ...
- 305
1
vote
1
answer
359
views
I setup DMARC p=reject on server but now I can't send via gmail to gmail (using server email From address)
Did I shoot myself in the foot ?
I mainly use gmail to send and receive emails. Support etc. My default 'send email as' profile is not the gmail address itself but an address on my server (also the ...
- 113
0
votes
1
answer
1k
views
How to prevent calendar invite responses from being blocked between two Google Workspace accounts?
My company has two separate Google Workspace accounts, each associated with a separate domain (lets call them domainA and domainB).
Employees have email addresses assigned to them for both domains.
If ...
- 103
17
votes
3
answers
8k
views
SPF/DKIM/DMARC for Gmail "Send mail as" via smtp.gmail.com on external domain
Since "Google Apps" / "Google Apps for business" / "G-Suite" / "Google Workspaces" free tier is being discontinued, I need a solution to migrate my ~30 extended ...
- 279
6
votes
1
answer
4k
views
Mail from Teams forwarded to Gmail marked as spam due to DMARC failure
When I write a chat message in Microsoft Teams the receiver gets an e-mail notification on her Office 365 account ([email protected]) when she is offline in Teams. The receiver set it up so that all ...
- 173
0
votes
2
answers
2k
views
I try to sent emails from different domain names using one email account and get dmarc=fail
For example, I have:
example.com (in this domain I create account) need.com (additional domain) I want to give the users the ability to send emails as @need.com using alias in accounts settings.
The ...
1
vote
1
answer
3k
views
Forward messages to Gmail (postfix+SRS) has DMARC failure even though SPF and DKIM succeed
I run my own domain, but forward many email addresses to my gmail account. Recently, I started seeing a lot of messages marked by gmail as spam. I have SPF set for my outgoing email, and use SRS to ...
- 2,741
1
vote
1
answer
740
views
Postfix send mail only to GMail, all other domains are deferred and not sended
My Postfix server is running on Debian Stretch. It is able to send emails to a GMail address without problems which are not considered as spam. At the DNS level I configured DKIM, SPF and DMARC and ...
- 11
0
votes
1
answer
57
views
GSuite displaying "via" next to name after DNS change
After changing over to Cloudflare GSuite has been adding "via" next to the names of incoming emails. After a quick Google search I found this:
https://support.google.com/mail/answer/1311182?hl=en
...
- 1
2
votes
2
answers
2k
views
Change DMARC Report frequency
My current record look like this:
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; ri=604800
Still for some reason, I receive E-Mail from Google ...
user291620
2
votes
3
answers
4k
views
Forwarding to Gmail doesn't work for emails from Microsoft.com due to DMARC, but works for PayPal.com
I've noticed that I'm not getting certain emails in my Gmail and Yandex.Mail that are forwarded via UNIX systems (without SRS — not too sure if Sender Rewriting Scheme is still the best practice? ...
- 14.4k
1
vote
1
answer
308
views
Seemingly valid SRS-processed message is being rejected by gmail servers
I have a virtual private server with its own IP and have configured SPF, DKIM, DMARC, SRS (with postsrsd) and all that jazz. Let's call it domainut.com.
Most things are working, mail is being ...
- 131
0
votes
1
answer
3k
views
Bounced Incoming E-Mail in Gmail because of failed DMARC verification
gmail-smtp-in.l.google.com[2a00:1450:400c:c09::1a] said: 550-5.7.1
Unauthenticated email from example.com is not accepted due to 550-5.7.1
domain's DMARC policy. Please contact the administrator of ...
- 167
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
12
votes
1
answer
7k
views
Why don't my domain's messages to a google group get their headers rewritten so DMARC can pass?
Whenever my domain sends a message to a google group on another domain the DMARC alignment fails. This is true for all my approved senders, even using Gmail in my domain. It seems to be because the ...
- 371
13
votes
3
answers
13k
views
Why does DMARC operate on the From-address, and not the envelope sender (Return-Path)?
Several emails sent from my webserver to a Gmail address, where the From: address is [email protected], have been marked as spam by Gmail. The From: field is populated from form data, and ...
- 233
11
votes
4
answers
18k
views
SPF + DKIM + DMARC with Gmail account and external mail server
I,m using gmail with own domain (Google Apps) for my project. Now I want to add external mail server for sending notifications for users. Gmail doesn't give private keys for DKIM and if keys will be ...
- 111
2
votes
1
answer
2k
views
Mail marked as spam (Gmail/Hotmail): IP not on blacklist, DKIM Valid, SPF Valid and DMARC valid
I'm trying to send mail from my own domain (which is 15 days old now) but I'm having some troubles. Check the following mail body:
Delivered-To: [email protected]
Received: by 10.25.89.200 with SMTP ...
- 155
4
votes
1
answer
3k
views
DMARC 'sampled out' policy override effect in GMail server
Anyone know what actually a sampled out override reason mean in DMARC aggregated daily reports? I only get those from GMail and recently I've got some complains of undelivered messages from recipients ...
- 219
10
votes
3
answers
22k
views
Why is my email failing Gmail's DKIM test?
I have a message that was rejected by Gmail, I don't know why. It passes SPF. We aren't using DKIM. Do I need to set up DKIM?
I am in control of "example.com". Our mail server is "server.example.com" ...
- 223