Steam Guard email failing to be delivered

[#1]

Not often I use a browser to use steam, but I have to buy some DLC.  So the email from Steam Guard hasn't shown up yet after about 20 minutes, known problem with a slow Steam email server or PNs?
via Opera client and webmail, neither show it as received as normal or spam/junk mail.
edit: ok should have read the faq further about steam guard

Quote

Please contact us if you have not received the verification email after 3 hours.

Ho hum, won't be using that DLC tonight

[#2]

I have problems with them sometimes to, even on my personal email address, which is linked with gmail.
So, My bet is it's their side.

[#3]

It came about 40 minutes after my post, so yeah just slow mail on their side and now a few pounds lighter