All Questions
Tagged with spf email-bounces
22
questions
0
votes
0
answers
379
views
postfix configuration to prevent bounces when relaying to 3rd party (e.g. src -> my@work -> my@gmail)
i have an active mail relay that is using aliases as a main tool,
at some point we started to get bounces for some emails.
Source: somerandomsenderdomain.com
Destination: myemaildomain.com
...
1
vote
0
answers
177
views
SPF Limits and SPF Merging
I am using Zoho Mail, AWS SES, GMAIL SMTP, Cloudflare email route and Yahoo SMTP. they all have there own SPF record. i saw on Google the only 1 SPF should be added in hostname and maximum 10 SPF ...
- 189
1
vote
0
answers
567
views
520 ip and spf record not match
We are using Google Workspace and set Email forwarding using recipient address map to forward messages at our domain name (@example.com) to an external domain name (@external.com). Ex. mail sent to ...
- 111
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
0
votes
1
answer
95
views
Postfix working on separate server having issues delivering mail to a specific domain
I have the following situation.
My main domain is pointed to a Hostgator account. Because of bad performance of the site, the client decided to give DigitalOcean a go, but leaving the e-mails on ...
- 107
1
vote
1
answer
2k
views
Email delivery issues with Hotmail/Outlook
I am using SendGrid to send emails and I have properly configured my domain (SPF, etc.). Usually everything works, except that Hotmail/Outlook often rejects the emails I send:
reason": "550 5.7.1 ...
- 769
1
vote
0
answers
2k
views
What is wrong with this e-mail which is failing SPF(mailfrom) and DMARC?
This is a follow-up from "Why is my opendmarc failing pretty much everything that comes through?". I'm really struggling to understand what is going on.
Outgoing mail is verified correctly by the ...
- 279
0
votes
2
answers
1k
views
Can a DMARC "reject" policy prevent NDR backscatter?
Our email is being spoofed. We already have SPF/DKIM/DMARC p="quarantine" policies in place however we are still receiving thousands of Non-Delivery Receipt (NDR) in our inbox.
Will changing to DMARC ...
- 521
1
vote
1
answer
343
views
SPF errors on a new domain name
I'm new to web hosting and configuring emails, and I was hoping I could get some help.
I purchased a reseller account and I set up my first cPanel account on a domain that I have. I then created a few ...
- 11
3
votes
1
answer
2k
views
Delivery Status Notification (Failure) => 550 SPF: x.x.x.x (IP address) is not allowed to send mail from <our-domain.com>
Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the server for the recipient domain <repipients-domain.com> by <repipients-domain.com>. ...
- 153
8
votes
1
answer
62k
views
IP address is not allowed to send mail from DOMAIN
Today I heard that a customer can't send email to us. He received the following error:
< #5.5.0 smtp;550 [ipaddress] is not allowed to send mail from [domain name]. Please see http://www.openspf....
- 255
1
vote
0
answers
2k
views
SMTP error : Remote host said: 550 5.7.1 At least one FROM header address not allowed to send mail from IP ADDRESS
We are developing an email sending app, and we allow our users to specify the From: header their emails will be sent from.
Let's say our domain is mydomain.com and our client domain is clientdomain....
- 237
1
vote
2
answers
2k
views
Spam delivered by mx.google.com despite SPF fail
Some spammer use our e-mail address as sender in forged e-mails. Now we got thousands of bounced messages from no longes existing e-mails.
We set up SPF and DKIM records but it does not stop.
...
1
vote
1
answer
92
views
Originating (non-critical) emails from a "less-trusted" host
Background
We have a webapp running on webapp.example.com that (amongst other things) sends messages by email from time to time. These messages are non-critical: whilst we would like to make a best ...
- 422
2
votes
2
answers
9k
views
Why is this SPF record being reported as invalid? [duplicate]
I've set up my SPF record at improvedemployees.com as follows:
v=spf1 a mx ptr ip4:84.40.9.177 mx ip4:84.40.9.11 ~all
I've set up my SPF record at affiliatewebdesigners.com to point to using ...
- 323
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
0
votes
1
answer
11k
views
Gmail is blocking email from my application server
I'm getting the following in my mail logs on my app server:
550-5.7.1 [67.23.15.78] The IP you're using to send mail is not authorized to 550-5.7.1 send email directly to our servers. Please use ...
- 290
1
vote
2
answers
562
views
Is there a common X-Header for RFC 2821 "MAIL FROM"? Should it be DKIM signed?
w.r.t. the difference between RFC2821 MAIL From and RFC2822 FROM I'm considering having my MTA add a header specifying what was sent in the MAIL FROM portion of the envelope.
The RFC2821 header is ...
- 8,963
2
votes
1
answer
213
views
Understanding the many "FROM" addresses that apply to SenderID, DKIM, and SPF
Can someone tell me when and why a client, MTA relay, Unix .Forward, anonymous relay, or listserver will create, or alter these headers:
Resent-Sender:
Resent-From:
Sender:
From:
If you can please ...
- 8,963
3
votes
1
answer
1k
views
SPF problems with Google Apps
I currently have an SPF record with a hostname of @ that is:
v=spf1 mx ip4:x.x.x.243/32 include:_spf.google.com include:amazonses.com ~all
I also have another record of"
spf2.0/pra mx ip4:x.x.x.243/...
- 255
4
votes
6
answers
10k
views
Hotmail and Live.com rejecting all emails [duplicate]
I have been having problems sending emails from my server to hotmail.com and live.com email addresses. I have read other posts on serverfault but they have not been helpful. Here is the error message. ...
- 233
2
votes
1
answer
889
views
Is a soft SPF fail bad?
Received-SPF: softfail (google.com: domain of transitioning [email protected] does not designate XXX.XX.XXX.XXX as permitted sender) client-ip=XXX.XX.XXX.XXX;
Authentication-Results: mx.google.com; spf=...
- 3,791