I need acces to my local network remotely
My ISP change my wan address frequently
I want to use an ESP32 to email me my external (WAN/public) address
should not require a lot of code ?
Welcome to the forum
Maybe start by looking at Get External IP Address
Once you have the IP address then emailing it should be easy
Maybe DDNS will help you.
It tracks your floating IP, and maps it to a constant DNS name, otherwise you may be able ro pay your ISP $5// month to assign you a static address.
From your question, I’m assuming you’re running an onsite mail server, not a publicly visible server hosted elsewhere.
Typically one doesn’t send email to am IP address, you send it to a mail,server that is identified by the MX records in the publicly visible DNS records.
I saw an example on a PI
it simply send an email to a gamil account when the IP change. No dyndns or static Ip
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