[IMP] mail: change smiley

Critical improvement, 
`:)` was making a laughing guy that could be considered as mockery.
This smiley is way more friendly and should improve support feedback by at
least an order of magnitude better, maybe two.

Closes #16672
This commit is contained in:
Martin Trigaux
2017-04-27 12:29:47 +02:00
committed by GitHub
parent 14e74ca436
commit de4a2216b9
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