Guides

Short, practical fixes for everyday small-business software problems.

• Why QuickBooks Online invoices go to spam (and how to fix it)
  QuickBooks Online invoices landing in junk or never arriving? Why it happens and six fixes, including sending from your own Outlook address.
• Why Xero invoices go to spam (and how to fix it)
  Xero invoices landing in junk or never arriving? Why Xero's sender gets filtered and five fixes, including sending from your own Outlook address.
• Microsoft 365 is turning off SMTP passwords. Will your invoices still send?
  Microsoft is turning off basic SMTP authentication for Microsoft 365 by default at the end of 2026. What it means for invoicing apps that send through your mailbox, and what to do.
• Why FreshBooks invoices go to spam (and how to fix it)
  FreshBooks invoices landing in junk? Why FreshBooks emails get filtered and the fixes that work, including sending from your own Outlook address.