urlview

$ sudo apt-get install urlview

$ cp /usr/share/doc/urlview/examples/sample.urlview .urlview # прочитать ....желательно.

дописать:

COMMAND firefox %s

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дописать в: .mutrc:

#забиндить Ctl+b

# You can call 'urlview' while in 'mutt' by pressing the Ctrl b keys.

# Put these macros in your $HOME/.muttrc file.

macro index \cb |urlview\n

macro pager \cb |urlview\n