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Self-hosted blog - do I need a static IP address? (lemmy.ml)
submitted 1 year ago by to c/selfhosted@lemmy.world
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hi everyone,

I was just about to self-host a Ghost blog but then was warned that my ISP might change my external IP address at any time, so I would need to pay for a static IP address.

Is that true?

(I'd not seen much about that in stuff I've looked up so far about self hosting)

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[–] 0 points 1 year ago (2 children)

Ehh, yeah, it used to work fine. You're right that is a much harder things to do these days

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  • [–] 2 points 1 year ago (1 child)

    PTR lookups has been a thing for email servers for a very long time... "used to work fine" would have been early 2000's as far as I can remember.

    PTR is de facto requirement for over 20 years now. So unless you're talking about pre-turn of the century, not really... email servers haven't worked without PTRs for a very long time.

    I had to look it up, but Yahoo and AOL implemented PTR checks in 2003-2004. Gmail had it out of the box in 2004.

    Can you run a server without it? Yes... and it will work with any other server that doesn't mandate valid PTR records. But no major consumer email server has supported receiving mail from a PTR-less server for 20+ years now. So you're not going to be able to email basically anyone from your server.

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