Examples of IM and Email

[Administrator]

Email
Start post with [b]From[/b]:
[b]To[/b]:
[b]Subject[/b]:

Example:
Post 1
From: [e-mail]
To: [e-mail]
Subject:Webmail

So, this is how this IC email works then?

Post 2
From: [e-mail]
To: [e-mail]
Subject: RE Webmail

Yes, so it would seem.

[Administrator]

IM
Just post as if chatting in an IM service, with your handle in bold at the beginning of your post