Sendmail not sending @gmail again.........

eric redegeld Posted in Technical Support 2 months ago

https://mxtoolbox.com/SuperTool.aspx?action=blacklist%3anlsociaal.nl&run=toolpage
All green, so no blacklist. And dmarc and spf also working

It's going to be quite annoying now, with the help of network specialists, everything has been put right at domain hoster. Had no problems for a month until yesterday. users with @gmail will no longer receive messages.
How is this possible
Now I turned on SMTP again and with SMTP2GO everything works again.
But that also costs money, there is a setting involved
OAUTH2
I have a google key, and secret
But what do I use for the OAUTH2 field
Because with Google it doesn't cost me anything. Just can't get it to work.

Has anyone gotten this working with Google yet?

Replies
German Michael Zülsdorff Replied 2 months ago

Running
nslookup -type=mx nlsociaal.nl
gives
nlsociaal.nl mail exchanger = 10 h12.mijn.host
Thus, why don't you simply use that smtp server of your hosting provider?

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