Re:Yandex.Mail's successful migration from Oracle to Postgre...
by smallet on Wednesday September 14, 2016 @01:40AM
(#12494469)
https://yandex.com/support/domain/additional/maillists.xml
Doesn't seem to support addresses from other domains though.
I tried Zoho last year after hearing multiple recommendations and it was nothing but problems with spam coming in and my outbound emails being incorrectly marked as spam. I even had SPF + DKIM tested and working from the start! Not sure I would try them again after that experience.