iOS Mail - The icons represent instructions on how to fold a paper airplane.
/via michaelgrothaus

iOS Mail - The icons represent instructions on how to fold a paper airplane.

/via michaelgrothaus

Mail - When selecting multiple messages the number of envelopes increases from a couple to many depending on the amount selected.
/via David

Mail - When selecting multiple messages the number of envelopes increases from a couple to many depending on the amount selected.

/via David

Mail - Mail gives you the option to display the telephone number across your entire screen so it’s easier for you to read and dial it.
via Hoyd

Mail - Mail gives you the option to display the telephone number across your entire screen so it’s easier for you to read and dial it.

via Hoyd

Sparrow for iPhone - Tells when you reach inbox zero.
/via Sven Dahlstrand

Sparrow for iPhone - Tells when you reach inbox zero.

/via Sven Dahlstrand

Mail - When you receive an shipment email in your Apple Mail, right click on the tracking number to track its location.
Read more here.
/via |Sidharth|

Mail - When you receive an shipment email in your Apple Mail, right click on the tracking number to track its location.

Read more here.

/via |Sidharth|

Thunderbird - When receiving a message from a mailing list a “reply list” button replaces the “reply all” button.
/via Jordisan

Thunderbird When receiving a message from a mailing list a “reply list” button replaces the “reply all” button.

/via Jordisan

iOS - Mail inbox automaticly scrolls to the top when you receive a new email, unless you have already scrolled down through more than 3 emails.
Read more here
/via Boris

iOS - Mail inbox automaticly scrolls to the top when you receive a new email, unless you have already scrolled down through more than 3 emails.

Read more here

/via Boris

Gmail - Favicon shows the number of unread messages you have. 
Read more here
/via Adrienne

Gmail - Favicon shows the number of unread messages you have. 

Read more here

/via Adrienne

OSX Mail - Formatting of date intelligently adjusts to fit the column width.

OSX Mail - Formatting of date intelligently adjusts to fit the column width.