Sunday, April 21, 2013

Received-SPF: SoftFail


Received-SPF: SoftFail (msc1-1-bnov.domainname.net: domain of
transitioning abc@anotherdomain.com discourages use of 127.0.0.0 as permitted sender)

The SoftFail is being thrown because of an invalid address in the FROM field of the message. SPF is a specialized check email servers do to protect themselves from being used as spam relays

Solution:
$list = (Get-ContentFilterConfig).BypassedSenders
$list.add("mail@domain.com")
Set-ContentFilterConfig -BypassedSenders $list

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