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There is no reason you can't set up your SMTP server to use your ISP, or other SMTP service like gmail, as a smart relay. Personally I have a VPS that I relay
by mhurron 13y ago
There is no reason you can't set up your SMTP server to use your ISP, or other SMTP service like gmail, as a smart relay.
Personally I have a VPS that I relay mail through.
- 0x0 13y agoOne downside with ISP outbound relaying is SPF; if you want to use it you need to figure out how mail exits the ISP and keep the SPF records up to date; and even if you do, suddenly all the other customers of that ISP can fake mail from you while passing SPF. Another downside is you lose logs of and insight in the mailq and the recipient smtp server responses.