Category Archives: Microsoft 365

How to setup an Office 365 SMTP Relay

Many organizations that move mailboxes to Office 365, still need to use a SMTP relay to route mails from on-premise applications, scanners (print-to-PDF) or multifunction devices to either internal or external recipients. Using Exchange Online in Office 365 for mail relay can be accomplished in three ways; SMTP client submission Here you configure the devices… Read More »

Updated Exchange Online Limits

Microsoft have updated the official Exchange Online Limits service description to reflect the recent changes in message limits, as mentioned in my previous posts; Change in Maximum Message Size limits in Exchange Online and Transcoding Exchange Online Message sizes. Two important notes: Across all Office 365 plans, the limit for file attachments in OWA is… Read More »