All Questions
Tagged with spf microsoft-office-365
16
questions
-2
votes
1
answer
59
views
Set up SPF: Facing an error for MX and TXT record
Our DNS is managed through Microsoft. I need to set up a new record to allow a new website to send email. Here is what I did.
Kindly assist. I face the same issue with the TXT record as well.
- 3
0
votes
1
answer
554
views
SPF spf.protection.outlook.com is invalid for messages within tenant
When sending mails through our Exchange 365 service those mails get through successfully, but if we look at the mail headers we see that where the sender and recipient are in our tenant the mail's ...
- 1,344
0
votes
2
answers
2k
views
How to setup DMARC for both AWS SES and Office 365
I'm trying to get DMARC working for the emails I send via Office 365 as well as Amazon SES. It's working for Office 365 because I setup the SPF and DKIM records in my DNS but it's failing for the ...
- 163
0
votes
1
answer
865
views
Publishing Exchange Server public IP address in a hybrid Exchange setup?
I'm currently using the Hybrid Exchange Online and Exchange Server OnPremise setup.
I have included the IP addresses of all my Exchange Servers in the below TXT record, I wonder if it is really ...
- 1,305
1
vote
2
answers
2k
views
SPF Records: Outlook shows fail, Google shows pass
I am using Office 365 for emails, and have configured the DNS SPF record as:
v=spf1 include:spf.protection.outlook.com ~all
When I send emails to Google recipients, the email headers show Received-SPF:...
- 111
0
votes
2
answers
1k
views
SPF record for SMTP server
I am trying to set up my SPF records to take into account that I send emails via office365 directly in Outlook etc. as well as in a web app hosted in AWS which sends email to smtp.office365.com (...
1
vote
1
answer
2k
views
SPF on Office 365 - Can the return-path address be spoofed by another Office 365 sender?
I'm not an email expert by any stretch, so please forgive my lack of correct terminology.
My understanding of SPF is that mail servers that receive mail will look at the return-path domain, and check ...
- 125
0
votes
1
answer
1k
views
Which ip address should I add in the SPF record for my domain
I own a domain eg. "mustang.com" and uses office365 for sending emails to my customers. My current SPF has below TXT records as described by Microsoft website
v=spf1 include:spf.protection.outlook....
- 628
0
votes
1
answer
796
views
Why does this spf include reference fail?
We are settings up a site on GoDaddy's managed wordpress product. For mail to go through the contact form we must use the relay server relay-hosting.secureserver.net. Mail sent through the contact ...
- 747
2
votes
1
answer
569
views
Exchange Online, Mandrill, SPF and DKIM
I have a customer ABC Ltd (abc.ie) who has a requirement to send emails via SMTP to their own customer base from within an application that we have developed for them.
For their company email they ...
- 503
3
votes
4
answers
8k
views
Office365 SPF PermError: Too many DNS lookups
We are migrating from a self hosted mailing platform to Office365 for Businesses. Everything went fine, except for the SPF record. At the moment, we have v=spf1 a mx include:spf.mtasv.net -all as TXT ...
- 133
26
votes
1
answer
38k
views
Multiple SPF records for multiple domains
We have recently started using Office 365 for our email, which requires us to add a DNS TXT record with the value v=spf1 include:spf.protection.outlook.com -all. We already have an SPF record with the ...
- 627
1
vote
3
answers
10k
views
SPF TXT record with multiple senders - bounce back - spf check failed
My company uses office 365 for our email, but we also send email from one of our server's IP addresses. My TXT record is:
v=spf1 ip4:XXX.XX.XX.XXX include:spf.protection.outlook.com -all
(XXX.XX.XX....
- 13
12
votes
2
answers
6k
views
Office365 SPF record has too many lookups
For some utterly ridiculous administrative reasons we've got a split domain with one mailbox on Office365 which requires us to add include:outlook.com to our SPF record. The problem with this is that ...
- 2,161
1
vote
1
answer
7k
views
Multiple SPF domains in SPF DNS record. To MX or not MX?
My understanding of SPF records is that you don’t create two separate ones, but that you include multiple domains in one record with multiple include statements.
My company's existing SPF record as ...
- 305
2
votes
1
answer
9k
views
Configure Sendmail to require valid SPF checks before accepting/relaying mail
We have an inbound email service that is very restrictive on who is allowed to send through our Sendmail gateways. The restrictions are generally controlled through the access file by marking ...
- 9,632