Created attachment 169114 [details]
poudriere builds were all fine.
Created attachment 169120 [details]
patch for 1.6.0 with sidebar and some cleanup
Here is a patch which - additional to Kurt's patch - also provides a working sidebar option and does some cleanup as well as including the add-on from bug #208054.
Created attachment 169121 [details]
poudriere log of the new patch
A commit references this bug:
Date: Sat Apr 9 17:02:25 UTC 2016
New revision: 412853
mail/mutt: 1.5.24 -> 1.6.0
- added base64 option
PR: 208641, 208054
Submitted by: Udo.Schweigert@siemens.com (maintainer), email@example.com