Creating a custom webmail - What should i be aware of [INFRASTRUCTURE]?

by ami0607   Last Updated December 06, 2018 04:04 AM

I'm trying to create a custom webmail, for one of our products, that has thousand of users.

We would like to create the webmail by our own, and let the user sends it by his/hers personal email (One that they already have, and is created)

I know that HubSpot CRM has something like that, but i don't know what i should be aware of, or how i can do it.

I know there I's a lot with spam, reputation etc, but i need some guidance. Can anyone help me out?

It could be awesome to do it with SendGrid integrated.

Kind regards

Tags : php dns email mx

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