Similar to Mailbox_(アプリケーション)
Alpine
Alpine (email client)Claws Mail
Claws Mail
EdMax
EM Client
EM Client
Evolution (ソフトウェア)
GNOME Evolution
Gaucho Internet Mailer
Gnus
GnusGroupWise
GroupWiseInternet Messaging Program
Internet Messaging Program
K-9 Mail
K-9 MailKMail
KMailLavabit
Lavabit
Mew
Mobileimap
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Mutt
Mutt (email client)
Pine
Pine (email client)
Pochy
RoundCube
RoundcubeSpamAssassin
Apache SpamAssassinSquirrelMail
SquirrelMailSweetmail
▲1 trends
Zimbra
ZimbraWinbiff
SMAIL
Opera Mail
Opera Mail
Shuriken
Sylpheed
Sylpheedスーパーロボットバトルメーラー