Retrieving Mail via a Proxy Server

Hello,
I have just recently arrived at my University's campus. In order to access the Internet they informed me that I needed to configure the Proxy Server, which I understand I did successfully since almost every Web Page loads correctly in Safari.
Nevertheless, Mail cannot retrieve e-mails from my G-Mail account (the POP settings are correct, because I checked my e-mail via Mail until my last day at home).
Any help regarding this will be highly appreciated,
Joan
P.D. Please bear in mind that the Proxy Server is opened for G-Mail, as I can access it via Safari with no problem. In addition, should any of you have any insights as to why Adium (a multinetwork messaging client) does not connect will be really helpful as well.

Hola Joan.
What does “Mail cannot retrieve e-mails from my G-Mail account” mean? What’s the problem exactly?
It could be that you’ve enabled more proxies than you should, thus causing Mail to try to use a proxy that doesn’t really exist.
In particular, go to Apple Menu > System Preferences > Network, choose the network interface used to connect to Internet from the Show popup menu and try disabling the SOCKS Proxy in the Proxies section if it’s enabled.
While you’re at it, choose Network Port Configurations from the Show popup menu, and make sure that the configuration used to connect to Internet appears at the top of the list. Leave checked (enabled) only the port configuration needed to connect to Internet and Built-in Ethernet (in that order if not the same), uncheck (disable) the rest of network port configurations and see whether that helps — if it doesn’t, turn ON again the ones you want enabled.

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