Recognize what makes this moment difficult
Acknowledge the event directly without turning it into a lesson, comparison, prediction, or silver lining. For a message about how to reconnect with an alumni network contact, use this factual base: remind the person where you worked together, when, and what current topic makes the contact relevant.
Offer support that can be accepted
Offer one specific form of practical or emotional support and make clear that no immediate reply is needed. Make one modest request and give enough information for them to decline or redirect it. Make the immediate next step clear enough that the recipient can answer without reconstructing the entire history.
Follow their pace rather than yours
Do not imply endorsement, exploit a former hierarchy, or send confidential material from the old relationship. Use official business, privacy, conflict, and procurement rules when commercial or regulated information is involved. The recipient decides whether they want conversation, ordinary company, practical help, professional support, or quiet.