Dear Pak Syafril,

Mohon bantuannya Pak, saat ini email kami ke google sering mendapatkan DSN seperti terlampir,

The following message to <[email protected] <mailto:[email protected]>> was undeliverable.

The reason for the problem:

5.3.0 - Other mail system problem 550-'5.7.1 This message does not have authentication information or fails to pass\n5.7.1 authentication checks. To best protect our users from spam, the\n5.7.1 message has been blocked. Please visit\n5.7.1https://support.google.com/mail/answer/81126#authentication for more\n5.7.1 information. q8si1685661plr.382 - gsmtp'


Penyebabnya apa ya pak ?
Atas bantuannya diucapkan terima kasih.

Salam,

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