ContributionsMost RecentMost LikesSolutionsRe: Getting error code 5513 with New Outlook. Outgoing email fails. I read elsewhere that Cox was working to fix this. Maybe it's a Microsoft issue that'll get repaired with an update. Re: Getting error code 5513 with New Outlook. Outgoing email fails. It's on a new Mac by the way. Getting error code 5513 with New Outlook. Outgoing email fails. Incoming email is fine. Cannot send outgoing email. I saw a thread from four months ago, but it was locked without any clue as to resolution. Tech Support was unable to help as well. Recommendations?