Email on the iPhone, Gmails IMAP acting like POP3 & BT’s POP3 mimicing IMAP
Posted by testcrunch on 25th January 2008
I noticed this morning that after an initial batch of email on the iPhone, received before about 8am, I hadn’t received any more email by 10am. Maybe I’m just not very popular.
What is common about those 8 accounts? Two are on BT, one on Easyspace, one for this blogs domain where I receive emails from the hosting company, one for this blogs email me feature (Is that the one where you get all the abuse? Ed), one from Hotmail, one for Yahoo’s POP3 push thing and one for good old Googles IMAP account. There’s no common service provider there so maybe it’s the O2 EDGE/GPRS network that’s at fault.
As a test I sent a message to all 8 accounts to see how and when the messages were delivered. The Yahoo POP3 push account received the test message within 10 seconds, at the most. The Gmail accounts, which should also have received the messages almost immediately, didn’t get them till 30 minutes later when I forced it to do an email pull. All that means is that you open the inbox and a read is performed. So that looked like Google’s IMAP server was acting like a POP3 server. The two blog email address’s also didn’t get the messages till I performed a pull, as was the case with the Hotmail account but those were expected.
What was interesting was that the test messages to the two BT email address’s were delivered almost immediately. I had a look at the BT web pages for my account and couldn’t see any mention of them pushing push technology. I wonder.
I’m pretty sure that the iPhone, which I have set to retrieve email every 30 minutes, does so on the hour and at 30 minutes passed. I sent the email to the 8 addresses at 10:15. So what happened. Maybe there’s an issue with the iPhone performing ad-hoc email retrievals or maybe BT have implemented some kind of push thing. Who knows.
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