Resolving Mail Problems After OS X 10.10.4 Update

Some Mac Mail users have discovered that Mail app misbehaves after updating to OS X 10.10.4 (and some with OS X 10.11 El Capitan) particularly with Exchange and Gmail accounts, but it can happen with other email provider services as well. Typically the problem manifests in one of a few ways; eMail logins suddenly stall … Read More