<s>
fdm	B-Protocol
(	O
fetch/filter	O
and	O
deliver	O
mail	O
)	O
is	O
a	O
mail	B-Protocol
delivery	I-Protocol
agent	I-Protocol
and	O
email	O
filtering	O
software	O
for	O
Unix-like	B-Operating_System
operating	I-Operating_System
systems	I-Operating_System
,	O
similar	O
to	O
fetchmail	B-Protocol
and	O
procmail	B-Protocol
.	O
</s>
<s>
It	O
was	O
started	O
in	O
2006	O
by	O
Nicholas	O
Marriott	O
who	O
later	O
also	O
started	O
tmux	B-Language
in	O
2007	O
.	O
</s>
<s>
fdm	B-Protocol
is	O
available	O
as	O
a	O
package	B-Application
in	O
many	O
Unix-like	B-Operating_System
operating	I-Operating_System
systems	I-Operating_System
.	O
</s>
<s>
It	O
has	O
been	O
included	O
in	O
OpenBSD	B-Operating_System
ports	O
since	O
2007-01-18	O
.	O
</s>
<s>
When	O
in	O
2014	O
the	O
last	O
maintainer	O
of	O
procmail	B-Protocol
posted	O
a	O
message	O
to	O
an	O
OpenBSD	B-Operating_System
mailing	O
list	O
himself	O
suggesting	O
that	O
he	O
remove	O
the	O
procmail	B-Protocol
port	O
,	O
it	O
has	O
been	O
suggested	O
by	O
a	O
well-known	O
OpenBSD	B-Operating_System
ports	O
maintainer	O
that	O
fdm	B-Protocol
is	O
the	O
natural	O
alternative	O
(	O
the	O
procmail	B-Protocol
port	O
,	O
however	O
,	O
has	O
not	O
been	O
removed	O
and	O
remains	O
in	O
place	O
as	O
of	O
2020	O
)	O
.	O
</s>
<s>
fdm	B-Protocol
is	O
listed	O
on	O
the	O
OpenBSD	B-Operating_System
Innovations	O
page	O
,	O
in	O
the	O
section	O
of	O
projects	O
maintained	O
by	O
OpenBSD	B-Operating_System
developers	O
outside	O
of	O
OpenBSD	B-Operating_System
.	O
</s>
