The only difference I can see is that the postfix SPF plugin marks the gmail message explicitly as Pass, while the other is marked as None. I am now at the point where I think that adding SPF did not really do anything to my mail-setup and am considering removing it again...
The SPF record for bluehost.com is too large (its SPF record fails Google's MX tester on its own): bluehost.com (5 lookups before further traversal) v=spf1 include:spf2.bluehost.com include:_spf.qualtrics.com include:_spf.google.com include:_spf.salesforce.com include:sparkpostmail.co...
In this example, the SPF email record allows email to be sent from 12.34.56.78/28, as well as from marketingemailserver.com. If the message comes from any other address it will be marked as an SPF soft fail. To better illustrate how SPF email policies work, let’s break down the ...
Note: The~allat the end results in a soft SPF fail (it’s a squiggle ~ not a – and they have different impacts!) While an email not from the listed sender isn’t authorized, it’s also not explicitly unauthorized; this is the most common setting – useful if you’re not 100% su...
The simplest are + (which is implied if omitted) and -, resulting in a pass or a fail, respectively. How these results are handled is left to the receiving domain’s administrators to handle. Typically "fails" are rejected and soft fails are marked as potentially spam. Using SPF can ...
for your Microsoft 365 domain, SPF uses a TXT record in DNS to identify valid sources of mail from the MAIL FROM domain, and what to do if the destination email server receives mail from an undefined source ('hard fail' to reject the message; 'soft fail' to accept and mark the ...
behalf (include:_spf.google.com), while any message sent from other mail servers will "Soft Fail" the SPF check. Of course, you could also use "Hard Fail" by using "-all" so messages sent from IP addresses not listed in the SPF will be returned to the sender with a 550...
Fail: The IP address is definitively not permitted. Either there is no PRA incoming at all or the sender domain isn’t real. None: There’s simply no SPF data published in the sender’s DNS. TempError: The DNS failed but it’s temporary, due to an unavailable DNS server or similar....
~SoftFail, an IP that matches a mechanism with this qualifier will soft fail SPF, which means that the host should accept the mail, but mark it as an SPF failure. ?Neutral, an IP that matches a mechanism with this qualifier will neither pass or fail SPF. ...
If the attached file exceeds the allowed size, the email may fail to deliver or bounce back. 11. Sender authentication issues Email authentication mechanisms like the following play a role in email delivery: SPF (Sender Policy Framework) DKIM (DomainKeys Identified Mail) DMARC (Domain-based Messag...