email in my website was working very well but it stop working. it shows email sent in my website but it does not reach its destination, i have no knowledge why? i did join droplet with domain name then i remove domain name and i was using only IP address. how can i fix this problem?
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Are you using your own mail server? You can look at the mail logs. Do you have DKIM and SPF setup on the email domain? If not, that is a problem.
What do you mean that you removed the domain name? Are you sending email that has a “from” address that is using a non-existant domain name, because you removed the domain name?
You are using a non-existant domain name? That is a problem.
Other email providers will reject your messages if they come from a non-existant domain name.
Also, you have to actually have a domain name to setup SFP and DKIM on the domain name.
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