[User]

Alright. Thank you very much for your support!

[User]

Alright. Thanks for the clarification. On that note, would you happen to know how I could find out from which IP the newsletters are being sent?

[User]

Hello. Thank you for your comment, but my question in this case wasn’t about that. My concern is that, from a few months ago until now, we’ve been experiencing multiple sending errors (each of a different type) when sending newsletters. What I’d like to know is whether there’s any way to reduce these errors. For example, here are some of the errors we’re encountering:

1) SMTP Error: The following recipients failed: xxx@xxx.com: TenantAttribution; Relay Access Denied [No TLS] [DU2PEPF00028D12.eurprd03.prod.outlook.com 2025-07-31T06:35:11.991Z 08DDCC38D23F2E22]

2) SMTP Error: The following recipients failed: xxx@xxx.es: Mail received as unauthenticated, incoming to a recipient domain configured in a hosted tenant which has no mail-enabled subscriptions. ATTR5 [DU2PEPF00028D0D.eurprd03.prod.outlook.c

3) SMTP Error: The following recipients failed: xxx@xxx: Mail sent to the wrong Office 365 region. ATTR35. For more information please go to https://go.microsoft.com/fwlink/?linkid=865268 [No TLS] [AMS0EPF000001AB.eurprd05.prod.outlook.

I’m not sure if there might be some configuration that would allow me to bypass these errors. Thank you in advance.

[User]

Hello, we are currently running Version 8.9.9.

[User]

Yes, it appears. Thank you very much for your help.

[User]

Thank you very much, Michael. Indeed, I’ve been able to update it now. Where could I enable the option for a newsletter to be sent even if it encounters errors, as Stefano mentioned earlier?

[User]

Sorry Stefano, I’m not quite sure what you mean exactly. Where can I do what you’re suggesting?

[User]

Hi Stefano, thank you very much for your response.
It’s true that I currently have the SMTP addon installed in version 1.2.1, but at the moment, no update to version 1.2.2 appears to be available in WordPress.

[Author]

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