I'm getting this error when trying to send an email campaign, so I've debuged the pipeline Sitecore.Modules.EmailCampaign.Core.Pipelines.GenerateLink.SetServerUrl and came to conclusion that the LinkManager.GetItemUrl for any email item is getting the following link: https:///sitecore-modules/shell/Email/Messages/2019/12/19T10270075/Announcement

It seams that hostname is missing and this causes an exception when trying to create a new URI because of the extra slash, am I missing some configuration on EXM?

20160 10:33:09 ERROR Exception: System.UriFormatException Message:
Invalid URI: The hostname could not be parsed. Source: System
    at System.Uri.CreateThis(String uri, Boolean dontEscape, UriKind uriKind)
    at Sitecore.Modules.EmailCampaign.Core.HostnameMapping.HostnameMappingService.GetServerUrl(Item
    at Sitecore.Modules.EmailCampaign.Messages.HtmlMailBase.get_ServerUrl()
    at Sitecore.Modules.EmailCampaign.Messages.HtmlMailBase.get_PreviewBaseUrl()
    at Sitecore.Modules.EmailCampaign.Messages.HtmlMailBase.InsertEmailOpenedImg(Boolean
preview, String& html)
    at Sitecore.Modules.EmailCampaign.Messages.WebPageMail.GetMessageBody(Boolean
    at Sitecore.EmailCampaign.Cm.MessageInfo.FillContentEditorInfo()
  • Are you sending EXM Campaign Programmatically ? Please check MailMessage Class
    – Abhay Dhar
    Dec 19, 2019 at 11:21
  • No, i'm using Sitecore EXM interface, and i've notice that im getting the same error on exm logs when i go to the Message tab of an Email Campaing, the message body preview is unavailable because of this.
    – Tiago
    Dec 19, 2019 at 11:25
  • have you set the Default Settings(on the dashboard , right hand side) and Domains List , if you are using Sitecore MTA.
    – Abhay Dhar
    Dec 19, 2019 at 11:42
  • Yes i've Base URL (sc93sc.dev.local), and i'm using custom stmp.
    – Tiago
    Dec 19, 2019 at 12:15
  • Create support ticket if not already done
    – Abhay Dhar
    Dec 19, 2019 at 17:21

1 Answer 1


Do you have SXA installed? (or anything else that might have an impact on the linkprovider?)

I had the same issue with SXA installed and got a patch from Support. My issue was on 9.2 with SXA 1.9 after installing a patch - they did send me a new patch now. But I can reproduce the issue on a clean 9.3 setup with SXA as well. (9.3 probably had the change that was also in my patch which broke the link resolving)

Anyway.. as mentioned in the comments: ask Support for a patch as this is a bug. (unless you have a fully custom linkprovider that breaks it of course)

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