It seems like this problem has become a lot more frequent (happens many times per day) with the upgrade to Ubuntu 10.10. On 10.04 the problem also existed, but only happened once every week or so. No changes have been made to the e-mail setup other than the Ubuntu upgrade.
It seems like this problem has become a lot more frequent (happens many times per day) with the upgrade to Ubuntu 10.10. On 10.04 the problem also existed, but only happened once every week or so. No changes have been made to the e-mail setup other than the Ubuntu upgrade.