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Something started happening to one of my mail accounts on Mail one of these days. When I press Get New Mail, it starts downloading, showing the KB/s of the Mail Activity. The problem is, without even downloading the first new email, the KB/s starts dropping to 0 and no emails are downloaded... This only happens to this email account and has been happening for some days now. Any ideas of what could be wrong?


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Have you tried restarting Mail, or maybe your computer? Sounds dumb, but it’s amazing how often it works. – Lawrence Velázquez Nov 26 '10 at 18:24
Yes I have... No luck. It starts downloading, but fast the KB/s starts dropping until it reaches 0 KB/s and then no emails are downloaded. – Bernardo Oliveira Nov 26 '10 at 19:03
Have you got another email account and does this work - if not get another free one and try - e.g. gmail fastmail etc. – Mark Nov 28 '10 at 14:21
Yes, I have 3 other accounts from Gmail and they're working fine... – Bernardo Oliveira Nov 29 '10 at 11:07
I had this problem before with my gmail account and can't fix it, also read somewhere that it was a bug for so I switch to thunderbird and this software really satisfy me. – Am1rr3zA Nov 30 '10 at 18:29

Try using Cmd-0 to bring up the more detailed Activity Window within mail. I've often been able to track down mail problems by looking in there.

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right clicking the account in mailbox section of the left panel in Mail and clicking 'get account info' could help to see if it's connecting to the mailbox properly.

You could also try turning it off and on again - ie. right click account again then click 'take "[account name]" offline' and then repeating to 'take "[account name]" online' may help...

Failing that, see if you can connect to that account through a webmail client - if you have one available for that account to see if it's a problem with the email server rather than mail.

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