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Email Authentication Question

  • January 21, 2026
  • 2 replies
  • 26 views
nickcerri32
Semi-Pro II
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Hey, team - one of the IT people for one of my customers asked the following question:

I have a question about how acumatica sends emails. Does it fully authenticate the email address and send the email legitimately from the Microsoft 365 domain? 

 

I figure someone on the Community can point me to a detailed response fairly quickly.  Any insight, links, etc. would be helpful here.  Thanks!

Best answer by hkabiri

​@nickcerri32 First of all depends on the way email is being setup on acumatica and what authentication method being used. However, If we assume the modern Authentication and external application being used, there is a trust and shared token between Acumatica and Office 365 which allows to send/receive without authenticating every single time. That does not mean emails will not be available on exchange Server as at the end of the day, Acumatica act as a mailing agent, despite not same as outlook or other actual mailing agent, and any transaction will be through Office 365.

If there is any specific doubt or question, please mention or contact Acumatica Support for further details.

Nick - If we helped give us a Like. If we answered your question, select the Best Answer option.

2 replies

hkabiri
Acumatica Moderator
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  • hkabiri
  • Acumatica Support Team
  • Answer
  • January 21, 2026

​@nickcerri32 First of all depends on the way email is being setup on acumatica and what authentication method being used. However, If we assume the modern Authentication and external application being used, there is a trust and shared token between Acumatica and Office 365 which allows to send/receive without authenticating every single time. That does not mean emails will not be available on exchange Server as at the end of the day, Acumatica act as a mailing agent, despite not same as outlook or other actual mailing agent, and any transaction will be through Office 365.

If there is any specific doubt or question, please mention or contact Acumatica Support for further details.

SAM KABIRI | L2 Support Engineer | hkabiri@acumatica.com | www.acumatica.com
    nickcerri32
    Semi-Pro II
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    • nickcerri32
    • Author
    • Semi-Pro II
    • January 22, 2026

    ​@hkabiri Thank you, sir!

    Nick - If we helped give us a Like. If we answered your question, select the Best Answer option.
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