Overview of changes in 3.50.5
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* Bugs fixed:
  - !280 goaimapsmtpprovider: quick fix for yahoo auto-detect

* Translation updates:
  - Belarusian (Vasil Pupkin)
  - Bulgarian (twlvnn kraftwerk)
  - Czech (Daniel Rusek)
  - French (Vincent Chatelain)
  - Greek, Modern (1453-) (Giannis Antypas)
  - Romanian (Daniel Șerbănescu)
  - Slovak (Dušan Kazik)