
In addition to Apple Discussions threads on the problem, a number of MacFixIt readers have written in regarding this issue. Similar account-handling issues have happened to Mail in the past, but the rejection of passwords seems to be a bit more frequent for those who have upgraded to Lion.
Address Book distribution list editor disabled by iCloudĪdditionally, the problem seems to happen rather randomly there doesn't appear to be a single factor like waking from sleep that spurs the issue. Fix nonfunctional Mail PDF function in OS X Preview. This may happen to only one or two accounts at a time, so while some servers cannot be accessed, others seem to work just fine, which indicates the issue is not a hard cutoff of Mail's networking capabilities or password and account management features. The warning says the IMAP or POP server rejected the password, but when you enter your password again in the password field the server still rejects the password and continues to present the same warning message. When the problem happens, Mail will issue this warning claiming the server has rejected the password sent to it by Mail. The program works well for the most part, but it does have some annoying quirks, with one being that it may regularly issue a warning requesting you to enter your e-mail account password.
Apple's Mail e-mail client that is included with OS X is widely used by Mac owners for managing their e-mail accounts, be they on Apple's MobileMe or iCloud services or from a third party like Google, Yahoo, or AOL.