This is the same domain sending mail internally
[2023.07.30] 09:05:53.176 [82360144] Added to LocalDeliveryQueue (1 queued; 0/50 processing)
[2023.07.30] 09:05:53.176 [82360144] [LocalDeliveryQueue] Begin Processing.
[2023.07.30] 09:05:53.191 [82360144] Starting local delivery to
njo@xxx-xxx.com[2023.07.30] 09:05:53.191 [82360144] Exception: Index was outside the bounds of the array.
[2023.07.30] at System.Collections.Generic.HashSet`1.AddIfNotPresent(T value) at MailService.Repositories.DomainRepository.FoldersLoadFile(String accountName, String accountGuid) at MailService.Repositories.DomainRepository.FoldersLoadFileReadOnly(String accountName, String accountguid) at MailService.Repositories.DomainRepository.GetFoldersByType(String accountName, FolderTypes type, Boolean showHidden) at MailService.Mailboxes.MailboxManager.VerifyInitialized(String logicalAddress, String path) at MailService.Core.Mailman.GetMailboxManager(String logicalAddress, MailboxManager& mm, Boolean createIfNotExist) at MailService.Core.Mailman.RequestMailbox(String logicalAddress, String sessionID, MailboxManager& mailboxManager) at MailService.RelayServer.DeliveryManager.DeliverLocalMessage(LocalRecipient localRecipient, MimeReader message, String headerText, String folder, String id, Boolean isRead, Boolean isFlagged, MailMessageBase& deliveredMessage) at MailService.RelayServer.DeliveryManager.DeliverToFolder(SpoolMessage spoolMessage, LocalRecipient localRecipient, String folder, Boolean isRead, Boolean isFlagged, MailMessageBase& deliveredMessage) at MailService.RelayServer.MessageQueue.LocalDeliveryQueue.DeliverToLocalRecipient(SpoolMessage spoolMessage, LocalRecipient localRecipient, db_system_settings_readonly systemSettings, db_system_delivery_settings_readonly systemDeliverySettings)09:05:53.191 [82360144] Removed from LocalDeliveryQueue (0 queued or processing)