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Posted by C. (http://symcbean.blogspot.com/) on 12/30/07 21:04
On 28 Dec, 17:19, mp- <miche...@gmail.com> wrote:
> I want to be able to allow people to check their email from my PHP
> online application.
>
> Given only the users 1) email address, 2) username (if applicable) and
> 3) password - how can I auto detect a remote IMAP/POP3 server so that
> I can connect and fetch mail for the user. (Ultimately, I don't want
> users to have to know what the IMAP/POP3 server name / port is .... I
> would like to auto-detect all of that).
>
> At first I thought I could use "getmxrr" but quickly realized that is
> only good for determining the SMTP server.
>
> If anyone has ever "add account" in Gmail Preferences, it's
> essentially the exact same functionality where Gmail auto-detects the
> IMAP/POP3 server.
>
> Any help will be greatly appreciated.
You can't.
You can guess at what the name might be (see Iván Sánchez Ortega's
response).
Even if you know the name, it doesn't necessarily follow that the
service is accessible via the internet - many ISPs will firewall
access to their own IP addresses.
C.
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