Am 23.11.2020 um 17:29 schrieb Philip Paeps via mailop:
This is all empirical guesswork.
This is my personal experience with deliverability to Google:
- Please read the M³AAWG's "Email Authentication Recommended Best
Practices" very very carefully <https://www.m3aawg.org/published-documents>
- In the 1st step define a very low rate limit and restrict the parallel
connections to the Google SMTP server at a low level.
- Register your mail domains using <https://postmaster.google.com>
--
Regards
Jörg Backschues
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