Not receiving verification code emails from microsoft sharepoint

k42m

Hey there,

me and two other bluewin users experienced problems with receiving our verification codes for shared links on sharepoint. We only experience this problems with bluewin, not with gmail. Could it be that bluewin purposely deletes/prevents offical sharepoint mailes to be received and how can we stop them from doing that?

Thanks for your support 🙂 And yes, I checked the spam folder.

DomiP

Strange Problem @k42m - do you also use Programs like Outlook on your PC? Have you checked the Outlook-Folder "Junk"?

Otherwise, maybe, @ChristianG does know a bit more about such issues?

Is there a possibility that the administrator blocked the Domain bluewin.ch for such mails?

k42m

@DomiP: Yes, I use outlook and checked every folder. Also checked the webmail, sharepoint verification code nowhere to be found.

And I don't think microsoft blocked the domain "@bluewin.ch", but a support ticket with them is already open.

DomiP

@k42m is it a corporate-sharepoint (like from your O365 Enterprise) or from a private environment (like 0365 School or Family)?

k42m

@DomiP: It's a corporate sharepoint

DomiP

@k42m, okay, have you already tried to reach out to your IT-Departement? Maybe they blocked the domain?

k42m

@DomiP: Yes, I already checked with them, they did not block the domain.

One of the other users with a @bluewin mail, just received one of the codes he tried to get yesterday, but of course it's not valid anymore.

And as I mentioned earlier, I don't have any when problems using an other domain like gmail.
So I'd say the problem is somewhere within Swisscom.

DomiP

@k42m seems to be the problem - therefore i would suggest to wait for @ChristianG for further informations and ideas 🙂

ChristianG

@k42m @DomiP

Large quantities of phishing mails have gone out from the sender Microsoft (compromised accounts). Microsoft receives a link from us to take action against this, but so far there has been no response. For this reason, incoming mails from Microsoft are being rejected (not all, only certain Mail Addresses). Microsoft needs to clean up this problem.

Unfortunately, in this case we have to live by the motto:

The good of many is more important then the good of one

Best regards
Chris

k42m

@ChristianG
That's what I suspected, thank you for confirming. I'll forward this to my IT-department, they really need to figure this out with microsoft.

One last thing: I just received my codes from yesterday, sender was [no-reply@sharepointonline.com](mailto:no-reply@sharepointonline.com,)
Is this one of the rejected addresses?

ChristianG

@k42m

It seems that the spammers have figured out how to spread spam from OneDrive. Therefore, it is important to be careful with this mail sender.

Yes, this may well be the case, the mails were in a queue. I can't look in your mailbox. I will simply make the following assumption after consulting the relevant department. I would check the received mails with URL beforehand. For example with:

https://www.virustotal.com/gui/home/url

https://www.brightcloud.com/tools/url-ip-lookup.php

https://sitecheck.sucuri.net/

There are so many where you can check the URL. Also with a virtual machine

Regards Chris