SMTP Error: [451] 4.7.1 Service unavailable - try again later

Support
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1

I use roundcube as a backend for my mail service - domain: mail.aluexpress.co.zw.
When I deployed the website now onto netlify, I had to also migrate and delegate DNS to netlify. That is when sending of mail stopped.

With this error on roundcube mail dashboard: SMTP Error: [451] 4.7.1 Service unavailable - try again later

netlify site name: aluexpresscozw.netlify.app`
custom domain : aluexpress.co,zw

2

I can see you’ve added the MX records which were likely missing before you made this post. Is this resolved?