Vibemail - extensions for vibe's Mail class to send multi-part emails with attachments

[ponce via Digitalmars-d-announce]

On Tuesday, 29 September 2015 at 16:22:43 UTC, Adam D. Ruppe 
wrote:
> But, how do you express the half-dependency of 
> characterencodings in a dub.json dependencies list?

optional dependencies + version tags produced by DUB in the form 
of

     version (Have_packagename)
     {

     }


(never tried)