before wasting time, can I host a mail server on my home server and use cloudflare tunnel.
or still I will have reputation problem
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can I host a mail server on my home server and use cloudflare tunnel.
No. IPs of cloud flare are blocked on most email servers and you really need port 25 be opened. Also residential IPs are in PBL lists, which also used on email servers to get rid of army infected PC. If you going to get intermediate proxy, choose them carefully due to a lot of cheap (or with bad reputation) hostings are rejected (or has much more spam score) too
I don’t think so. (I’ve asked about this on Cloudflare’s forum in the past.) You can host a mail server at home, but not through a Cloudflare tunnel. A domain’s MX record for its mail server must point to an A or AAAA record, but a Cloudflare tunnel can only be specified using a CNAME record.
I would say no. Most ISPs block incoming mail port (25) to residential IPs. Test your ports before everything else.
I do too. Axigen mail server and sendinblue now brevity as free smarthost. Mainly use it for notifications from homelab and for things that don’t play as well with other free smtp such as the printer I use for scanning and emailing stuff
Currently that’s not possible unless you have business internet.
Basically ISP can mark whole IP ranges as residential, so any email sent from those is marked as spam no matter how you set it up…
It’s cheaper to pay Google or similar $6 per month and avoid the hassle of locally hosted mail server.
Paying Google loses privacy and control. You are paying a much higher real price than just the few $$.
can you host an email server at home: yes nothing is stopping you.
the question you meant to ask: will it send and receive email with providers like gmail, M365 etc.
the answer to that question: no.