<s>
The	O
following	O
tables	O
compare	O
general	O
and	O
technical	O
features	O
of	O
notable	O
email	B-Protocol
client	I-Protocol
programs	O
.	O
</s>
<s>
Client	O
Author/Developer	O
Operating	B-General_Concept
system	I-General_Concept
Software	B-License
license	I-License
User	O
Interface	O
Alpine	B-Language
University	O
of	O
Washington	O
Cross-platform	B-Operating_System
TUI	B-Application
Apple	B-Operating_System
Mail	I-Operating_System
Apple	O
macOS	B-Application
,	O
iOS	B-Application
,	O
watchOS	B-Device
GUI	B-Application
(	O
Cocoa	B-Operating_System
)	O
Balsa	B-Application
Stuart	O
Parmenter	O
Linux	B-Application
GUI	B-Application
(	O
GTK3	B-Application
)	O
Becky	B-Application
!	I-Application
</s>
<s>
Internet	O
Mail	O
Rimarts	O
Windows	B-Application
GUI	B-Application
BlitzMail	B-Application
Dartmouth	O
College	O
GUI	B-Application
Citadel	B-Protocol
citadel.org	O
Unix-like	B-Operating_System
Webmail	B-Protocol
Claws	B-Language
Mail	I-Language
the	O
Claws	B-Language
Mail	I-Language
team	O
Cross-platform	B-Operating_System
GUI	B-Application
(	O
GTK2	B-Application
)	O
Courier	B-Protocol
(	O
formerly	O
Calypso	B-Protocol
)	O
Micro	O
Computer	O
Systems	O
,	O
Inc.	O
,	O
continued	O
by	O
Rose	O
City	O
Software	O
Windows	B-Application
GUI	B-Application
Elm	B-Application
Dave	O
Taylor	O
,	O
Sydney	O
Weinstein	O
,	O
Bill	O
Pemberton	O
,	O
Michael	O
Elkins	O
,	O
Kari	O
Hurtta	O
Unix-like	B-Operating_System
Elm	B-Application
Mail	O
System	O
GPL	B-License
TUI	B-Application
eM	B-Protocol
Client	I-Protocol
eM	B-Protocol
Client	I-Protocol
Inc	O
.	O
Windows	B-Application
,	O
macOS	B-Application
GUI	B-Application
EmailTray	B-Protocol
Internet	O
Promotion	O
Agency	O
S.A.	O
Windows	B-Application
,	O
Android	B-Application
GUI	B-Application
Eudora	B-Protocol
OSE	I-Protocol
Qualcomm	O
Windows	B-Application
,	O
macOS	B-Application
GUI	B-Application
Evolution	B-Language
The	O
GNOME	O
Project	O
Unix-like	B-Operating_System
GUI	B-Application
(	O
GTK	B-Application
)	O
FirstClass	B-Protocol
Open	O
Text	O
GUI	B-Application
Forté	B-Protocol
Agent	I-Protocol
Mark	O
Sidell	O
Windows	B-Application
GUI	B-Application
Geary	B-Language
Yorba	O
Foundation	O
Unix-like	B-Operating_System
GUI	B-Application
(	O
GTK	B-Application
)	O
GNUMail	B-Language
Ludovic	O
Marcotte	O
and	O
others	O
Unix-like	B-Operating_System
,	O
macOS	B-Application
GUI	B-Application
Gnus	B-Operating_System
Gnus	B-Operating_System
team	O
Cross-platform	B-Operating_System
TUI	B-Application
and	O
GUI	B-Application
GroupWise	B-Operating_System
Micro	O
Focus	O
(	O
formerly	O
Novell	O
)	O
Cross-platform	B-Operating_System
GUI	B-Application
Hiri	B-Language
Hiri	B-Language
Cross-platform	B-Operating_System
GUI	B-Application
i.Scribe	B-Protocol
,	I-Protocol
InScribe	I-Protocol
Memecode	O
Windows	B-Application
,	O
macOS	B-Application
,	O
Linux	B-Application
GUI	B-Application
HCL	B-Operating_System
Notes	I-Operating_System
(	O
formerly	O
IBM	B-Operating_System
Notes	I-Operating_System
and	O
IBM	B-Operating_System
Lotus	I-Operating_System
Notes	I-Operating_System
)	O
HCL	O
Technologies	O
(	O
formerly	O
IBM	O
and	O
Lotus	O
Software	O
)	O
,	O
HCL	O
Technologies	O
Windows	B-Application
,	O
macOS	B-Application
,	O
Linux	B-Application
GUI	B-Application
(	O
Notes	O
)	O
,	O
Web	O
(	O
Verse	O
,	O
iNotes	O
)	O
and	O
Mobile	O
(	O
Traveler	O
)	O
IMP	B-Application
Horde	O
LLC	O
Cross-platform	B-Operating_System
Webmail	B-Protocol
K-9	B-Application
Mail	I-Application
K-9	O
Dog	O
Walkers	O
:	O
cketti	O
,	O
et	O
al	O
.	O
</s>
<s>
Android	B-Application
GUI	B-Application
KMail	O
KDE	B-Application
Cross-platform	B-Operating_System
GUI	B-Application
(	O
Qt	B-Language
)	O
Mail	O
(	O
Windows	B-Application
)	O
Microsoft	B-Application
Windows	I-Application
GUI	B-Application
Mailbird	B-Protocol
Mailbird	B-Protocol
Windows	B-Application
GUI	B-Application
Mailpile	B-Protocol
Mailpile	B-Protocol
Windows	B-Application
,	O
macOS	B-Application
,	O
Linux	B-Application
Webmail	B-Protocol
mailx	B-Device
Unix-like	B-Operating_System
TUI	B-Application
Microsoft	B-Application
Entourage	I-Application
Microsoft	O
macOS	B-Application
GUI	B-Application
Microsoft	B-Application
Outlook	I-Application
Microsoft	B-Application
Windows	I-Application
,	O
macOS	B-Application
GUI	B-Application
Mozilla	B-Protocol
Mail	I-Protocol
&	I-Protocol
Newsgroups	I-Protocol
Mozilla	B-Operating_System
Foundation	I-Operating_System
GUI	B-Application
(	O
XUL	B-Application
)	O
Mozilla	B-Application
Thunderbird	I-Application
Mozilla	B-Operating_System
Foundation	I-Operating_System
Cross-platform	B-Operating_System
GUI	B-Application
(	O
XUL	B-Application
)	O
Mulberry	B-Application
Cyrus	O
Daboo	O
(	O
formerly	O
Cyrusoft	O
International	O
,	O
Inc./ISAMET	O
)	O
Cross-platform	B-Operating_System
GUI	B-Application
Mutt	B-Device
Michael	O
Elkins	O
Cross-platform	B-Operating_System
TUI	B-Application
(	O
ncurses	B-Language
)	O
Netscape	B-Application
Messenger	I-Application
Netscape	O
Communications	O
GUI	B-Application
Netscape	B-Protocol
Messenger	I-Protocol
9	I-Protocol
Netscape	O
Communications	O
GUI	B-Application
Nylas	B-Operating_System
Mail	I-Operating_System
NylasWindows	O
,	O
macOS	B-Application
,	O
Linux	B-Application
GUI	B-Application
nmh	B-Protocol
/	I-Protocol
MH	I-Protocol
RAND	O
Corporation	O
Unix-like	B-Operating_System
CLI	B-Application
Opera	B-Operating_System
Mail	I-Operating_System
Opera	O
Software	O
Cross-platform	B-Operating_System
GUI	B-Application
Outlook	B-Application
Express	I-Application
Microsoft	B-Application
Windows	I-Application
GUI	B-Application
Pegasus	B-Application
Mail	I-Application
David	O
Harris	O
Windows	B-Application
GUI	B-Application
Pine	B-Operating_System
University	O
of	O
Washington	O
Cross-platform	B-Operating_System
TUI	B-Application
Pocomail	B-Application
Poco	O
Systems	O
Windows	B-Application
GUI	B-Application
RoundCube	B-Language
The	O
RoundCube	B-Language
Team	O
Cross-platform	B-Operating_System
Webmail	B-Protocol
SeaMonkey	B-Language
Mail	O
&	O
Newsgroups	O
SeaMonkey	B-Language
Council	O
Cross-platform	B-Operating_System
GUI	B-Application
(	O
XUL	B-Application
)	O
Spark	B-Protocol
Readdle	O
macOS	B-Application
GUI	B-Application
SquirrelMail	B-Language
The	O
SquirrelMail	B-Language
Project	O
Team	O
Cross-platform	B-Operating_System
Webmail	B-Protocol
Superhuman	O
Rahul	O
Vohra	O
Cross-platform	B-Operating_System
Webmail	B-Protocol
Sylpheed	B-Language
Hiroyuki	O
Yamamoto	O
Cross-platform	B-Operating_System
GUI	B-Application
(	O
GTK2	B-Application
)	O
The	B-Application
Bat	I-Application
!	I-Application
</s>
<s>
Client	O
First	O
public	O
Date	O
First	O
public	O
Version	O
First	O
stable	O
Date	O
First	O
stable	O
Version	O
Latest	O
stable	O
release	O
Alpine	B-Language
2006-11	O
0.8	O
2007	O
December	O
1.00	O
Apple	B-Operating_System
Mail	I-Operating_System
?	O
</s>
<s>
(	O
)	O
Becky	B-Application
!	I-Application
</s>
<s>
Internet	O
Mail	O
1996	O
1	O
Citadel	B-Protocol
1987	O
1988	O
1.00	O
Claws	B-Language
Mail	I-Language
2001-05	O
0.4.67	O
2005-01	O
1.0.0	O
Courier	B-Protocol
2004-06	O
3.5	O
discontinued	O
discontinued	O
Elm	B-Application
1986	O
1987-03	O
2	O
eM	B-Protocol
Client	I-Protocol
2007-11	O
1.0	O
2007-11	O
1.0	O
EmailTray	B-Protocol
2010-10	O
2.0	O
2011-03	O
3.11	O
Eudora	B-Operating_System
1988	O
1988	O
Evolution	B-Language
2000-05-11	O
0.0	O
2001-12-03	O
1.0	O
Forté	B-Protocol
Agent	I-Protocol
Geary	B-Language
2012	O
0.1	O
2012	O
0.1	O
Gnus	B-Operating_System
1987	O
1988-02-01	O
2.0	O
2015-04-06	O
GroupWise	B-Operating_System
1986	O
1.0	O
Hiri	B-Language
2014-02	O
0.4	O
2016-06	O
1.0	O
i.Scribe	B-Protocol
/	I-Protocol
InScribe	I-Protocol
1999	O
1.00	O
IBM	B-Operating_System
Lotus	I-Operating_System
Notes	I-Operating_System
1989	O
1.0	O
1989	O
1.0	O
IMP	B-Application
1998	O
1.0	O
K-9	B-Application
Mail	I-Application
KMail	O
1998-10	O
Alpha	O
1999-02	O
1.0.17	O
Mailbird	B-Protocol
2013-04-01	O
Public	O
Beta	O
Mailpile	B-Protocol
2011-11	O
Alpha	O
tbd	O
2017	O
1.00	O
RC	O
Microsoft	B-Application
Entourage	I-Application
Microsoft	B-Application
Office	I-Application
Outlook	I-Application
1997	O
97	O
1997	O
97	O
Mozilla	B-Application
Thunderbird	I-Application
2003-07-28	O
0.1	O
2004-12-07	O
1.0	O
Mulberry	B-Application
1996-09-20	O
1.0	O
1996-09-20	O
1.0	O
Mutt	B-Device
1995	O
Netscape	B-Application
Messenger	I-Application
Netscape	B-Protocol
Messenger	I-Protocol
9	I-Protocol
2007-11-15	O
9.0a1	O
discontinued	O
discontinued	O
2007-11-15	O
nmh	B-Protocol
/	I-Protocol
MH	I-Protocol
1979	O
Opera	B-Operating_System
Mail	I-Operating_System
1996-09	O
2.1b1	O
1996-12	O
2.1	O
Outlook	B-Application
Express	I-Application
1996	O
3.0	O
Pegasus	B-Application
Mail	I-Application
1990	O
1990	O
Pine	B-Operating_System
1992-01-15	O
2.00	O
1992-01-15	O
2.00	O
Pocomail	B-Application
1999	O
RoundCube	B-Language
2006	O
0.1-rc1	O
2014-04-07	O
1.0.0	O
SeaMonkey	B-Language
Mail	O
&	O
Newsgroups	O
2005-09-15	O
1.0a	O
2006-01-30	O
1.0	O
SquirrelMail	B-Language
1999-12	O
0.1	O
2001-01	O
1.0	O
Sylpheed	B-Language
2000-01	O
0.1.0	O
2004-12	O
1.0.0	O
The	B-Application
Bat	I-Application
!	I-Application
</s>
<s>
The	O
operating	B-General_Concept
systems	I-General_Concept
on	O
which	O
the	O
clients	O
can	O
run	O
natively	O
(	O
without	O
emulation	O
)	O
.	O
</s>
<s>
Client	O
Microsoft	B-Application
Windows	I-Application
macOS	B-Application
Linux	B-Application
BSD	B-Operating_System
Unix	I-Operating_System
DOS	B-Device
Other	O
Alpine	B-Language
Apple	B-Operating_System
Mail	I-Operating_System
Balsa	B-Application
Becky	B-Application
!	I-Application
</s>
<s>
Internet	O
Mail	O
Citadel	B-Protocol
Claws	B-Language
Mail	I-Language
Courier	B-Protocol
Elm	B-Application
eM	B-Protocol
Client	I-Protocol
EmailTray	B-Protocol
Eudora	B-Operating_System
Evolution	B-Language
Forté	B-Protocol
Agent	I-Protocol
Geary	B-Language
Gnus	B-Operating_System
GroupWise	B-Operating_System
Hiri	B-Language
i.Scribe	B-Protocol
/	I-Protocol
InScribe	I-Protocol
IBM	B-Operating_System
Lotus	I-Operating_System
Notes	I-Operating_System
IMP	B-Application
KMail	O
Mailbird	B-Protocol
Mailpile	B-Protocol
mailx	B-Device
Microsoft	B-Application
Entourage	I-Application
(	O
2008	O
)	O
Microsoft	B-Application
Office	I-Application
Outlook	I-Application
Mozilla	B-Protocol
Mail	I-Protocol
&	I-Protocol
Newsgroups	I-Protocol
colspan	O
=	O
"	O
5	O
"	O
(	O
1.7.13	O
)	O
Mozilla	B-Application
Thunderbird	I-Application
Mulberry	B-Application
Mutt	B-Device
Netscape	B-Application
Messenger	I-Application
colspan	O
=	O
"	O
5	O
"	O
(	O
4.80	O
)	O
Netscape	B-Protocol
Messenger	I-Protocol
9	I-Protocol
colspan	O
=	O
"	O
5	O
"	O
(	O
9.0a1	O
)	O
nmh	B-Protocol
/	I-Protocol
MH	I-Protocol
Opera	B-Operating_System
Mail	I-Operating_System
Outlook	B-Application
Express	I-Application
(	O
up	O
to	O
XP	O
)	O
Pegasus	B-Application
Mail	I-Application
Pine	B-Operating_System
(	O
3.96	O
)	O
Pocomail	B-Application
RoundCube	B-Language
SeaMonkey	B-Language
Mail	O
&	O
Newsgroups	O
SquirrelMail	B-Language
Sylpheed	B-Language
The	B-Application
Bat	I-Application
!	I-Application
</s>
<s>
Client	O
POP3	B-Protocol
fetch	O
all	O
messages	O
(	O
RFC	O
1939	O
)	O
POP3	B-Protocol
selected	O
by	O
filter	O
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx1( RFC	O
1939	O
)	O
POP3	B-Protocol
selected	O
by	O
user	O
(	O
RFC	O
1939	O
)	O
IMAP4(RFC 3501 )	O
SMTP(RFC 5321 )	O
NNTP(RFC 3977 )	O
LDAP	B-Protocol
v2(RFC 4511 )	O
LDAP	B-Protocol
v3(RFC 4511 )	O
EWS	B-Operating_System
IPv6(RFC 2460 )	O
MAPI	B-Protocol
Alpine	B-Language
Apple	B-Operating_System
Mail	I-Operating_System
Becky	B-Application
!	I-Application
</s>
<s>
Internet	O
Mail	O
Citadel	B-Protocol
Claws	B-Language
Mail	I-Language
Courier	B-Protocol
Elm	B-Application
eM	B-Protocol
Client	I-Protocol
EmailTray	B-Protocol
Evolution	B-Language
Gnus	B-Operating_System
(	O
setq	O
gnus-select-method	O
'	O
(	O
pop3	B-Protocol
"	O
pop.example.com	O
 "	O
)	O
)	O
(	O
setq	O
gnus-secondary-select-methods	O
'	O
( ( 	O
nntp	B-Protocol
"	O
news.gnus.org	O
 "	O
)	O
)	O
)	O
After	O
configuring	O
Gnus	B-Operating_System
for	O
POP3	B-Protocol
,	O
you	O
can	O
use	O
the	O
gnus-group-get-new-news	O
command	O
to	O
retrieve	O
new	O
messages	O
from	O
your	O
POP3	B-Protocol
server	O
.	O
</s>
<s>
Provider	O
for	O
Microsoft	O
Exchange	O
Mulberry	B-Application
Mutt	B-Device
No	O
(	O
possible	O
with	O
POP3	B-Protocol
browser	O
)	O
No	O
(	O
possible	O
with	O
POP3	B-Protocol
browser	O
)	O
(	O
slrn	B-Language
looks	O
alike	O
)	O
(	O
resolve	O
real	O
names	O
through	O
NSS	O
)	O
Netscape	B-Application
Messenger	I-Application
Netscape	B-Protocol
Messenger	I-Protocol
9	I-Protocol
nmh	B-Protocol
/	I-Protocol
MH	I-Protocol
Opera	B-Operating_System
Mail	I-Operating_System
Outlook	B-Application
Express	I-Application
Pegasus	B-Application
Mail	I-Application
Pine	B-Operating_System
Pocomail	B-Application
RoundCube	B-Language
SeaMonkey	B-Language
Mail	O
&	O
Newsgroups	O
SquirrelMail	B-Language
Sylpheed	B-Language
The	B-Application
Bat	I-Application
!	I-Application
</s>
<s>
Client	O
IMSP( )	O
ACAP(RFC 2244 )	O
RSS	O
0.91	O
Feeds	B-General_Concept
RSS	O
1.0	O
Feeds	B-General_Concept
RSS	O
2.0	O
Feeds	B-General_Concept
ATOM	B-Application
Feeds	I-Application
iCalendar(RFC 5545 )	O
MAPI/RPC	B-Protocol
CalDAV(RFC 4791 )	O
CardDAV(RFC 6352 )	O
Alpine	B-Language
Apple	B-Operating_System
Mail	I-Operating_System
Becky	B-Application
!	I-Application
</s>
<s>
Internet	O
Mail	O
Citadel	B-Protocol
Claws	B-Language
Mail	I-Language
Courier	B-Protocol
Elm	B-Application
eM	B-Protocol
Client	I-Protocol
EmailTray	B-Protocol
Eudora	B-Operating_System
Evolution	B-Language
Gnus	B-Operating_System
via	O
org-mode	O
GroupWise	B-Operating_System
Hiri	B-Language
i.Scribe	B-Protocol
/	I-Protocol
InScribe	I-Protocol
IBM	B-Operating_System
Lotus	I-Operating_System
Notes	I-Operating_System
KMail	O
Mailpile	B-Protocol
Microsoft	B-Application
Entourage	I-Application
Microsoft	B-Application
Office	I-Application
Outlook	I-Application
Mozilla	B-Protocol
Mail	I-Protocol
&	I-Protocol
Newsgroups	I-Protocol
Mozilla	B-Application
Thunderbird	I-Application
Mulberry	B-Application
Mutt	B-Device
Netscape	B-Application
Messenger	I-Application
Netscape	B-Protocol
Messenger	I-Protocol
9	I-Protocol
nmh	B-Protocol
/	I-Protocol
MH	I-Protocol
Opera	B-Operating_System
Mail	I-Operating_System
Outlook	B-Application
Express	I-Application
Pegasus	B-Application
Mail	I-Application
Pine	B-Operating_System
Pocomail	B-Application
SeaMonkey	B-Language
Mail	O
&	O
Newsgroups	O
SquirrelMail	B-Language
Sylpheed	B-Language
The	B-Application
Bat	I-Application
!	I-Application
</s>
<s>
PKCS	O
#11	O
Biometric	O
SMTP	B-Protocol
Auth	O
X.509	O
Client	O
certificate	O
OAuth	O
LOGIN	O
PLAIN	O
MD5	O
SHA1	O
RIPEMD	O
Alpine	B-Language
Apple	B-Operating_System
Mail	I-Operating_System
Becky	B-Application
!	I-Application
</s>
<s>
Internet	O
Mail	O
Citadel	B-Protocol
Claws	B-Language
Mail	I-Language
Courier	B-Protocol
Elm	B-Application
eM	B-Protocol
Client	I-Protocol
EmailTray	B-Protocol
Eudora	B-Operating_System
Evolution	B-Language
Gnus	B-Operating_System
GroupWise	B-Operating_System
Hiri	B-Language
i.Scribe	B-Protocol
/	I-Protocol
InScribe	I-Protocol
IBM	B-Operating_System
Lotus	I-Operating_System
Notes	I-Operating_System
KMail	O
Mailpile	B-Protocol
Microsoft	B-Application
Entourage	I-Application
Microsoft	B-Application
Office	I-Application
Outlook	I-Application
Mozilla	B-Protocol
Mail	I-Protocol
&	I-Protocol
Newsgroups	I-Protocol
Mozilla	B-Application
Thunderbird	I-Application
Mulberry	B-Application
Mutt	B-Device
Netscape	B-Application
Messenger	I-Application
Netscape	B-Protocol
Messenger	I-Protocol
9	I-Protocol
nmh	B-Protocol
/	I-Protocol
MH	I-Protocol
Opera	B-Operating_System
Mail	I-Operating_System
Outlook	B-Application
Express	I-Application
Pegasus	B-Application
Mail	I-Application
Pine	B-Operating_System
Pocomail	B-Application
RoundCube	B-Language
SeaMonkey	B-Language
Mail	O
&	O
Newsgroups	O
SquirrelMail	B-Language
Sylpheed	B-Language
The	B-Application
Bat	I-Application
!	I-Application
</s>
<s>
Client	O
Secure	O
POP3	B-Protocol
Secure	O
IMAP4	B-Protocol
Secure	B-Protocol
SMTP	I-Protocol
Secure	O
NNTP	B-Protocol
Secure	O
LDAP	B-Protocol
SNI	O
OCSP	B-Protocol
CRL	B-Protocol
SSL	O
TLS	O
SSL	O
TLS	O
SSL	O
TLS	O
SSL	O
TLS	O
SSL	O
TLS	O
Alpine	B-Language
Apple	B-Operating_System
Mail	I-Operating_System
Becky	B-Application
!	I-Application
</s>
<s>
Internet	O
Mail	O
Citadel	B-Protocol
Claws	B-Language
Mail	I-Language
Courier	B-Protocol
Elm	B-Application
eM	B-Protocol
Client	I-Protocol
EmailTray	B-Protocol
Eudora	B-Operating_System
Evolution	B-Language
Gnus	B-Operating_System
GroupWise	B-Operating_System
Hiri	B-Language
i.Scribe	B-Protocol
/	I-Protocol
InScribe	I-Protocol
IBM	B-Operating_System
Lotus	I-Operating_System
Notes	I-Operating_System
KMail	O
Mailpile	B-Protocol
Microsoft	B-Application
Entourage	I-Application
Microsoft	B-Application
Office	I-Application
Outlook	I-Application
Mozilla	B-Protocol
Mail	I-Protocol
&	I-Protocol
Newsgroups	I-Protocol
Mozilla	B-Application
Thunderbird	I-Application
Mulberry	B-Application
Mutt	B-Device
Netscape	B-Application
Messenger	I-Application
Netscape	B-Protocol
Messenger	I-Protocol
9	I-Protocol
nmh	B-Protocol
/	I-Protocol
MH	I-Protocol
Opera	B-Operating_System
Mail	I-Operating_System
Outlook	B-Application
Express	I-Application
Pegasus	B-Application
Mail	I-Application
Pine	B-Operating_System
Pocomail	B-Application
RoundCube	B-Language
SeaMonkey	B-Language
Mail	O
&	O
Newsgroups	O
SquirrelMail	B-Language
Sylpheed	B-Language
The	B-Application
Bat	I-Application
!	I-Application
</s>
<s>
For	O
all	O
of	O
these	O
clients	O
,	O
the	O
concept	O
of	O
"	O
HTML	B-Language
support	O
"	O
does	O
not	O
mean	O
that	O
they	O
can	O
process	O
the	O
full	O
range	O
of	O
HTML	B-Language
that	O
a	O
web	O
browser	O
can	O
handle	O
.	O
</s>
<s>
Almost	O
all	O
email	O
readers	O
limit	O
HTML	B-Language
features	O
,	O
either	O
for	O
security	O
reasons	O
,	O
or	O
because	O
of	O
the	O
nature	O
of	O
the	O
interface	O
.	O
</s>
<s>
CSS	O
and	O
JavaScript	B-Language
can	O
be	O
especially	O
problematic	O
.	O
</s>
<s>
Client	O
HTML	B-Language
email	O
UTF-8	O
support	O
Image	O
blocking	O
Junk	O
filtering	O
Phishing	O
filtering	O
Thread	O
view	O
Conversation	O
view	O
PGP	B-Application
support	O
S/MIME	B-Protocol
support	O
local	O
server	O
-	O
side	O
inline	O
PGP/MIME	O
or	O
OpenPGP	O
protocol	O
OCSP	B-Protocol
CRL	B-Protocol
certificates	O
on	O
tokens	O
,	O
smartcards	O
support	O
Alpine	B-Language
Apple	B-Operating_System
Mail	I-Operating_System
Becky	B-Application
!	I-Application
</s>
<s>
Internet	O
Mail	O
Citadel	B-Protocol
Claws	B-Language
Mail	I-Language
Courier	B-Protocol
Elm	B-Application
eM	B-Protocol
Client	I-Protocol
EmailTray	B-Protocol
Eudora	B-Operating_System
Evolution	B-Language
Gnus	B-Operating_System
GroupWise	B-Operating_System
Hiri	B-Language
i.Scribe	B-Protocol
/	I-Protocol
InScribe	I-Protocol
HCL	B-Operating_System
Notes	I-Operating_System
(	O
4.1.2	O
+	O
)	O
KMail	O
(	O
with	O
GPG	O
)	O
(	O
1.5	O
+	O
,	O
with	O
GPGME	O
)	O
Mailbird	B-Protocol
Mailpile	B-Protocol
Microsoft	B-Application
Entourage	I-Application
Microsoft	B-Application
Office	I-Application
Outlook	I-Application
(	O
2010+	O
)	O
Sort	O
Your	O
Emails	O
by	O
Conversation	O
in	O
Outlook	O
2010	O
-	O
How-To	O
Geek	O
Mozilla	B-Protocol
Mail	I-Protocol
&	I-Protocol
Newsgroups	I-Protocol
Mozilla	B-Application
Thunderbird	I-Application
Mulberry	B-Application
Mutt	B-Device
Yes(no support for images )	O
(	O
with	O
GPGME	O
)	O
Netscape	B-Application
Messenger	I-Application
Netscape	B-Protocol
Messenger	I-Protocol
9	I-Protocol
nmh	B-Protocol
/	I-Protocol
MH	I-Protocol
Opera	B-Operating_System
Mail	I-Operating_System
Outlook	B-Application
Express	I-Application
Pegasus	B-Application
Mail	I-Application
Yes(sending is broken )	O
Pine	B-Operating_System
(	O
with	O
Pine	B-Operating_System
Privacy	O
Guard	O
)	O
Pocomail	B-Application
RoundCube	B-Language
(	O
depends	O
on	O
antivirus	O
)	O
SeaMonkey	B-Language
Mail	O
&	O
Newsgroups	O
SquirrelMail	B-Language
(	O
depends	O
on	O
antivirus	O
)	O
Sylpheed	B-Language
The	B-Application
Bat	I-Application
!	I-Application
</s>
<s>
Client	O
Label	O
messages	O
Reformat	O
received	O
messages	O
Bi-directional	O
text	O
support	O
Composing	O
messages	O
Native	O
images	O
preview	O
Postpone	O
/	O
scheduled	O
message	O
sending	O
Native	O
documents	O
preview	O
with	O
colors	O
with	O
flag	O
antidelete	O
add	O
note	O
edit	O
headers	O
(	O
e.g.	O
,	O
Subject	O
)	O
forced	O
recode	O
Spell	B-Application
checking	I-Application
Signatures	O
Bottom-posts	O
replies	O
jpeg	O
gif	O
bmp	B-Device
png	O
others	O
txt	B-General_Concept
pdf	B-Application
doc	B-Operating_System
xls	B-Application
odt	B-Application
ods	B-Application
others	O
Alpine	B-Language
Becky	B-Application
!	I-Application
</s>
<s>
Internet	O
Mail	O
Citadel	B-Protocol
Claws	B-Language
Mail	I-Language
Courier	B-Protocol
Elm	B-Application
eM	B-Protocol
Client	I-Protocol
EmailTray	B-Protocol
Eudora	B-Operating_System
Evolution	B-Language
Gnus	B-Operating_System
GroupWise	B-Operating_System
Hiri	B-Language
i.Scribe	B-Protocol
/	I-Protocol
InScribe	I-Protocol
HCL	B-Operating_System
Notes	I-Operating_System
KMail	O
Mailbird	B-Protocol
Mailpile	B-Protocol
Microsoft	B-Application
Entourage	I-Application
Microsoft	B-Application
Office	I-Application
Outlook	I-Application
PowerPoint	B-Application
Mozilla	B-Protocol
Mail	I-Protocol
&	I-Protocol
Newsgroups	I-Protocol
Mozilla	B-Application
Thunderbird	I-Application
Mulberry	B-Application
Mutt	B-Device
Netscape	B-Application
Messenger	I-Application
Netscape	B-Protocol
Messenger	I-Protocol
9	I-Protocol
nmh	B-Protocol
/	I-Protocol
MH	I-Protocol
Opera	B-Operating_System
Mail	I-Operating_System
Outlook	B-Application
Express	I-Application
Pegasus	B-Application
Mail	I-Application
Pine	B-Operating_System
Pocomail	B-Application
RoundCube	B-Language
SeaMonkey	B-Language
Mail	O
&	O
Newsgroups	O
SquirrelMail	B-Language
Sylpheed	B-Language
The	B-Application
Bat	I-Application
!	I-Application
</s>
<s>
Client	O
Message	O
file	O
format	O
Encrypted	O
database	O
Virtual	O
folders	O
Scheduled	O
backup	O
New	O
mail	O
notification	O
Customizable	O
interface	O
Customizable	O
keybindings	O
Fragmented	O
messages	O
Database	O
search	O
with	O
regular	B-Language
expressions	I-Language
support	O
Indexed	B-Algorithm
search	I-Algorithm
Search	O
folders	O
IMAP	B-Protocol
ticker	O
tray	O
icon	O
tooltip	O
sound	O
Search	O
IDLE	O
Alpine	B-Language
mbox	B-Application
,	O
mbx	O
,	O
MIX	O
,	O
maildir	O
(	O
with	O
patches	O
)	O
,	O
MMDF	B-Application
,	O
tenex	O
,	O
mtx	O
,	O
MH	B-Protocol
,	O
mx	O
,	O
news	O
,	O
phile	O
Becky	B-Application
!	I-Application
</s>
<s>
Internet	O
Mail	O
mbox	B-Application
Citadel	B-Protocol
Claws	B-Language
Mail	I-Language
MH	B-Protocol
,	O
mbox	B-Application
(	O
plugin	O
)	O
Courier	B-Protocol
Proprietary	O
(	O
weak	O
)	O
(	O
layout	O
)	O
Elm	B-Application
eM	B-Protocol
Client	I-Protocol
Proprietary	O
(	O
sqlite	B-Language
)	O
EmailTray	B-Protocol
Proprietary	O
Eudora	B-Operating_System
modified	O
mbox	B-Application
Evolution	B-Language
maildir	O
,	O
mbox	B-Application
,	O
MH	B-Protocol
Gnus	B-Operating_System
babyl	O
,	O
maildir	O
,	O
mbox	B-Application
,	O
MMDF	B-Application
,	O
news	O
,	O
rnews	O
,	O
SOUP	O
,	O
outlook	O
,	O
oe-dbx	O
GroupWise	B-Operating_System
Proprietary	O
Hiri	B-Language
Proprietary	O
IBM	B-Operating_System
Notes	I-Operating_System
Proprietary	O
KMail	O
mbox	B-Application
,	O
maildir	O
Mailbird	B-Protocol
Proprietary	O
Mailpile	B-Protocol
Microsoft	B-Application
Entourage	I-Application
Proprietary	O
(	O
Personal	B-Operating_System
Storage	I-Operating_System
Table	I-Operating_System
)	O
Microsoft	B-Application
Office	I-Application
Outlook	I-Application
Proprietary	O
(	O
Personal	B-Operating_System
Storage	I-Operating_System
Table	I-Operating_System
)	O
Mozilla	B-Protocol
Mail	I-Protocol
&	I-Protocol
Newsgroups	I-Protocol
mbox	B-Application
Mozilla	B-Application
Thunderbird	I-Application
mbox	B-Application
,	O
maildir	O
(	O
as	O
of	O
3.0	O
)	O
Mulberry	B-Application
mbox	B-Application
Mutt	B-Device
mbox	B-Application
,	O
MMDF	B-Application
,	O
MH	B-Protocol
,	O
maildir	O
(	O
with	O
compressed	O
folders	O
patch	O
)	O
(	O
has	O
limit	O
command	O
)	O
Netscape	B-Application
Messenger	I-Application
mbox	B-Application
Netscape	B-Protocol
Messenger	I-Protocol
9	I-Protocol
mbox	B-Application
nmh	B-Protocol
/	I-Protocol
MH	I-Protocol
MH	B-Protocol
Opera	B-Operating_System
Mail	I-Operating_System
mbox	B-Application
,	O
MH	B-Protocol
,	O
Proprietary	O
(	O
all	O
folders	O
are	O
virtual	O
)	O
Outlook	B-Application
Express	I-Application
Proprietary	O
Pegasus	B-Application
Mail	I-Application
Proprietary	O
(	O
mbox-like	O
)	O
Pine	B-Operating_System
mbox	B-Application
,	O
mbx	O
,	O
MIX	O
,	O
maildir	O
(	O
with	O
patches	O
)	O
,	O
MMDF	B-Application
,	O
tenex	O
,	O
mtx	O
,	O
MH	B-Protocol
,	O
mx	O
,	O
news	O
,	O
phile	O
Pocomail	B-Application
mbox	B-Application
RoundCube	B-Language
[	O
IMAP	O
Server ]	O
i.Scribe	B-Protocol
/	I-Protocol
InScribe	I-Protocol
Proprietary	O
(	O
sqlite	B-Language
)	O
SeaMonkey	B-Language
Mail	O
&	O
Newsgroups	O
mbox	B-Application
SquirrelMail	B-Language
[	O
IMAP	O
Server ]	O
Sylpheed	B-Language
MH	B-Protocol
The	B-Application
Bat	I-Application
!	I-Application
</s>
<s>
Client	O
Message	O
templates	O
Message	O
templates	O
individual	O
for	O
Support	O
in	O
message	O
templates	O
scripts	O
,	O
programming	O
languages	O
new	O
reply	O
forward	O
read	O
confirmation	O
save	O
print	O
JavaScript	B-Language
VBScript	B-Application
PHP	B-Application
Scripts	I-Application
Python	B-Language
Regular	B-Language
expressions	I-Language
Java	B-Language
Other	O
(	O
specify	O
)	O
Alpine	B-Language
any	O
Becky	B-Application
!	I-Application
</s>
<s>
Internet	O
Mail	O
anyaccountfolder	O
Citadel	B-Protocol
Claws	B-Language
Mail	I-Language
accountfolder	O
Courier	B-Protocol
Elm	B-Application
eM	B-Protocol
Client	I-Protocol
account	O
Eudora	B-Operating_System
any	O
Evolution	B-Language
Gnus	B-Operating_System
GroupWise	B-Operating_System
Hiri	B-Language
any	O
i.Scribe	B-Protocol
/	I-Protocol
InScribe	I-Protocol
any	O
IBM	B-Operating_System
Notes	I-Operating_System
KMail	O
none	O
Mailpile	B-Protocol
Microsoft	B-Application
Entourage	I-Application
Microsoft	B-Application
Office	I-Application
Outlook	I-Application
Mozilla	B-Protocol
Mail	I-Protocol
&	I-Protocol
Newsgroups	I-Protocol
Mozilla	B-Application
Thunderbird	I-Application
profile	O
Mulberry	B-Application
Mutt	B-Device
any	O
Netscape	B-Application
Messenger	I-Application
Netscape	B-Protocol
Messenger	I-Protocol
9	I-Protocol
nmh	B-Protocol
/	I-Protocol
MH	I-Protocol
Opera	B-Operating_System
Mail	I-Operating_System
Outlook	B-Application
Express	I-Application
Pegasus	B-Application
Mail	I-Application
Pine	B-Operating_System
any	O
Pocomail	B-Application
RoundCube	B-Language
SeaMonkey	B-Language
Mail	O
&	O
Newsgroups	O
SquirrelMail	B-Language
Sylpheed	B-Language
The	B-Application
Bat	I-Application
!	I-Application
</s>
<s>
The	B-Application
Bat	I-Application
!	I-Application
</s>
<s>
As	O
of	O
October	O
2016	O
,	O
email	B-Protocol
clients	I-Protocol
supporting	O
SMTPUTF8	O
included	O
Outlook	O
2016	O
,	O
mail	O
for	O
iOS	B-Application
,	O
and	O
mail	O
for	O
Android	B-Application
.	O
</s>
