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Supported protocols and ports on Hermes

Preferred settings

PortProtocol
587 SMTP + STARTTLS
143 IMAP + STARTTLS
993 IMAP + SSL (alternative to 143)

Supported but discouraged

PortProtocolNotes
25 SMTP + STARTTLS traditional outgoing mail port
465 SMTP + SSL non-standard; only used by old Microsoft programs to send mail
110 POP + STARTTLS use IMAP instead
995 POP + SSL use IMAP instead

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Delays in email delivery between PPSW and Exchange Online tenancies

Jan 22, 2020

Several institutions reported to us that messages to their Exchange Online tenancies were being blocked following routine maintenance to the central email switch (PPSW) on Monday 20 January. We believe we've discovered the cause and implemented a workaround that has cleared the backlog and will prevent this from happening again.

Phone system maintenance on Saturday 1 February

Jan 16, 2020

We're planning to update the University phone system on Saturday 1 February. Desk phones may reboot several times during this process, but there should be no effect on calls.

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