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LET/LEB please fix or remove your SPF
Received-SPF: softfail (lowendtalk.com: Sender is not authorized by default to use '[email protected]' in 'mfrom' identity, however domain is not currently prepared for false failures (mechanism '~all' matched)) receiver=xxxxxxxx.tld; identity=mailfrom; envelope-from="[email protected]"; helo=let2b.lowendbox.com; client-ip=23.94.24.2
I am now moving to rejecting softfail on my MXes (due to the amount of spam that gets through), so this will mean no more mail from LET for me.
The easiest way to fix (we love those, right???) would be to remove all TXT-spf and SPF records from both domains...
Comments
Maybe problem with cluster?
include:lowendtalk.com
^ Appears to be missing.
I don't really get the point of soft fail. If you're gonna SPF it up, be a man and hard fail it.
We'll get this fixed, thanks for pointing it out.
Hard-fail will bounce back when forwarding email from MTA to MTA.
Indeed, and that would have made the problem well known to someone long before this discussion.
Yes, SPF is waaaay long from perfect.
Use it with care.
Wat??
Point is, LET has broken (incorrect) SPF, and broken SPF is much worse than no SPF at all, because it can cause mail to be lost.
Absence of SPF is worse, it prevents receivers from knowing the intentions of your domain.
Edit: The point being: SPF worked in this case.
Blah blah blah...
Absence of SPF => maybe more spam for some random people you never heard of
Presence of wrong SPF => YOUR real legitimate mail being DROPPED by YOUR recipients.
Of course the real answer is to have correct SPF. But you can't argue having none is worse than having it on, but broken.
Which is exactly my point.
Having none is worse (in today's world) because larger receivers will spam-bucket auto-generated content that doesn't meet minimum acceptable best practices. Having it on, but only partially correct, would still get some of LET mail through to gmail/hotmail/yahoo/mail.ru/yandex/zoho/etc.
Absence of spf means that your legitimate mail is going to end up in people's spam folders.
SPF is awesome. It's only real failure is that people don't always use it properly on either end.
Mail for lowendtalk.com/lowendbox.com has never been correctly configured (at least since LEA left). There's this thing called reverse DNS which is kinda important....