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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 while travelling, via our mail relays.The solution was to use the EUCS VPN service or their local ISPs mailrelay, thus needing to reconfigure machines/email clients just to send
A Better Solution - Authenticated SMTP
Most modern email clients now 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 provide details of how to setup authenticated SMTP for staffmail users.
We also provide an authenticated SMTP server for mail clients to connect to. The basic details are as follows (note that the "Server Name" is sometimes referred to as the Outgoing Server or SMTP Server):
Server name: smtp.inf.ed.ac.uk Port: 587 (sometimes known as submission port) - use STARTTLS setting or Port: 465 - use SSL setting
The reason we don't use port 25 is that this is firewalled and cannot be accessed from outside of ed.ac.uk.
Email clients supporting SSL should use port 465 (this includes Outlook Express), those supporting STARTTLS should use port 587 (eg Thunderbird).
If your client supports Kerberos then this is supported too (eg Thunderbird with MIT Kerberos for Windows or alpine on linux).