Mailfence can work well on LinkedIn if you want a stable separate inbox for networking and recruiter replies, but it is better as a maintained long-term mailbox than as a throwaway address.
StartMail can work well for LinkedIn if you want a separate privacy-focused inbox you can keep long term. The key is stability, monitoring it consistently, and treating LinkedIn as a durable professional account rather than a throwaway signup.
Mail.com can work on LinkedIn if it is a stable inbox you control long term. Learn when it makes sense, when it creates friction, and how to stay reachable without using a throwaway address.
GMX Mail can work on LinkedIn if it is a stable inbox you control long term. Learn when it makes sense, when it creates friction, and how to stay reachable without using a throwaway address.
Tutanota can work well on LinkedIn if you want a privacy-focused inbox you control long term. Learn when it makes sense, when it creates friction, and how to stay reachable without tying LinkedIn to a noisy main inbox.
Hotmail can work on LinkedIn if it is a stable inbox you still control and plan to keep long term. Learn when it makes sense, when an old Hotmail account is risky, and how to keep recruiter messages from getting lost.
Yes, a custom domain email can be a strong LinkedIn choice if you control it long term, keep it monitored, and do not rely on a setup that can disappear after a job change or domain lapse.
Zoho Mail can work well on LinkedIn if it is a stable inbox you control long term. Here is when it makes sense, when it does not, and how to stay reachable without relying on a throwaway address.
AOL Mail can work on LinkedIn if it is an address you still control, actually check, and plan to keep long term. Here is when it makes sense, when it does not, and how to avoid tying your profile to a forgotten legacy inbox.