The Mac Admin's Blog

In the scenario where you are able to receive mails but unable to send it because the Send button is grayed out or is completely inactive. Try those steps out, this has worked many of my home users. Launch Mail. Go to the Mail menu & choose Preferences . Click on Accounts in the Preferences window.  Open the Account Information pane. Here could be the first reason, that the "Outgoing Mail Server (SMTP)" pop-up menu could be set to "None". Change it and select your server from the "Outgoing Mail Server (SMTP)" pop-up menu. These steps should work, so run a test & see if you are able to send the mails. If this did not work then the problem should be in the settings of your SMTP server. Go to the Mail menu & choose Preferences once again.  Click on Accounts in the Preferences window & select your account from the left side. Click the Account Information pane. Here in the "Outgoing Mail Server (SMTP)" pop-up

How to expand the movie display size in Mac? This is a small tip that might help you once a while if you receive a clip recorded on a mobile phone that is comparatively of a smaller frame size. In order to get rid of this restriction, you can drag it into a new Mail message. This should be done only in Mail in Mac and not on any other Email client.  The reason behind this is that the player used in Mail still has the classis old type controller at the bottom, and this plays the movies at the correct size.