As you know, the mechanisms can be prefixed with 1 of 4 characters:
- : meaning, fail
~ : meaning, 'softfail'
+ : meaning, pass (the default)
? : meaning, 'neutral'
The meaning of fail and pass is obvious, but what do 'softfail' and
'neutral' mean? What will the MTA do if the result of the spf query is
'softfail'? What will the MTA do if the result is 'neutral' ?
Thanks
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Happy Landings,
Jon Detert
IT Systems Administrator, Milwaukee School of Engineering
1025 N. Broadway, Milwaukee, Wisconsin 53202