Re: [exim] Bug in string expansion of exim configuration?

On 04/07/17 22:31, Forum wrote:
> There is equal double with different syntax and an unequal is missing?

All conditions can have a '!' prefixed. So both '!=' and '!==' are
acceptable.

http://exim.org/exim-html-current/doc/html/spec_html/ch-string_expansions.html
Section 7 "Expansion conditions".
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Cheers,
Jeremy