Category: Applications

iPhone gets very hot when on wireless and battery drains

The other day I pulled my iphone out and nearly dropped it! It was burning hot and there was a big red low battery indicator in the middle of the screen! I had charged it only a couple of hours earlier so it was not likely that normal use had caused this condition.

I was in a wireless area, and had been checking my gmail earlier. The little activity indicator at top left was twirling.

A search through Apple support and discussions led me to this article. It seems that the iphone can get stuck in a checking-mail loop, particularly on certain IMAP accounts like gMail.

An Apple support article also says that a flaw in the Mail application in v. 1.1.3 causes it to persistently generate server activity even when it is not checking mail per user settings. Persistent mail checking can quickly drain the battery.

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Mail error: “The server response was: From: address not verified;”

I have about 5 email accounts, and use Mail.app to manage them. Recently I started seeing this obnoxious and cryptic message when trying to send from anything but my att.yahoo. account.

The server response was: From: address not verified; see http://help.yahoo.com/l/us/yahoo/mail/original/manage/sendfrom-07.html

Use the pop-up menu below to try a different outgoing mail server. All messages will use this server until you quit Mail or change your network settings


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“Certificate couldn’t be read” errors in Mail.app

Corporate mail servers often used SSL certificates, and sometimes these certificates expire. At that point you may start getting “Certificate couldn’t be read” errors in Apple’s Mail.app.

According to Apple, permanently accepting a self-signed SSL certificate may fix the problem.

  1. Click the Show Certificate button in the error message.
  2. Hold down the option key and drag the certificate icon out of the error window to your desktop.
  3. Double-click the certificate icon on the desktop, and choose X.509 Anchors from the pop-up menu. Click Add. You must have permission to administer the computer for this procedure to work.
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