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Authenticated SMTP

Background

As an anti-spam measure, the Informatics mail servers do not allow normal mail connections from outside ed.ac.uk. Unfortunately, this also stops legitimate Informatics staff and students from sending mail from their home machines (or laptops or mobiles) via our mail relays. One solution was to use the IS VPN service or the user's local ISP mailrelay, but this required the user to reconfigure machines/email clients just to send mail.

A Better Solution - Authenticated SMTP

Most email clients support authenticated SMTP. This allows the user to authenticate to the mail server to say who they are, and once confirmed as a valid user, the mail server will allow the user to send mail, even though they may not be within the local network.

IS provides authenticated SMTP in Office 365. See:

https://www.ed.ac.uk/information-services/computing/comms-and-collab/office365/email-calendar

Last reviewed: 
24/05/2022

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