3 ms·
If you follow the basic steps of checking RBLs, using SPF and DKIM, you usually can do decent. I still have the occasional issue with hotmail/outlook/live mail
by problems 10y ago
If you follow the basic steps of checking RBLs, using SPF and DKIM, you usually can do decent. I still have the occasional issue with hotmail/outlook/live mail though.
Another option if you just don't want to deal with it, but do want to run your own mail server is to use something like MailGun which can act as an SMTP relay and will be approved by those webmail providers out of the box.