Looking for a guide to collect all e-mail from the ISP mail server

[Sami Ketola]

> On 26. Oct 2020, at 11.02, Arjen de Korte <build+dovecot at de-korte.org> wrote:
> 
> Citeren Sebastian Nielsen <sebastian at sebbe.eu>:
> 
>> Because when I email to friends that are using gmail, my mail ends up in
>> spam unless  my friends put me in whitelist. Seems to vary however, and
>> seems to get better with time.
> 
> In order to prevent ending up in spam in GMail, it is necessary to have working DKIM and/or SPF for your messages and forward- and reverse DNS records for your mailserver match.

Even that is not enough. Currently there is no way to guarantee that your email does not get silently dropped or moved to spam when working with gmail.

Sami