No longer able to send or receive emails from particular vendors

Question

No longer able to send or receive emails from particular vendors

Gaynor McKinley 20

Any ideas why one vendor is not receding my emails and I am not receiving emails from a second vendor.

The first vendor is vague and says it is being investigated, the second can email me to another account but it now looks like MS is blocking emails, why have I no control??

This is happening on all platforms and all devices and has been going on for months.

No one is blocked.

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Answer accepted by question author

EmilyS726 264.8K Independent Advisor

Hello, Are they sending PDF attachment? If they are not sending PDF attachment, can you please check with them to see if they received any bounce back email? It contains important diagnostic data that helps shed some light of the root cause. Feel free to redact personal information when you share.

Gaynor McKinley 20 Reputation points

2025-07-24T16:41:03.5566667+00:00

Hi thank you for responding. No, no pdf documents are attached and no bounce back emails received. It truly is bizarre.

The first vendor says I have not emailed them since Sept 2024 which is incorrect, the second says they can see emails sent to my account.
EmilyS726 264.8K Reputation points Independent Advisor

2025-07-24T16:52:05.8133333+00:00

Unfortunately the information so far is not enough to lead to any conclusion.

Have you tried using a different email address (such as gmail) to email the first vendor? Interested in knowing if it goes through.

As for the second vendor, same, but opposite, ask them to send an email to another email address like gmail, I want to know if it comes through.

1 additional answer

Your answer

Gaynor McKinley 20 Reputation points

2025-07-24T16:41:03.5566667+00:00

Hi thank you for responding. No, no pdf documents are attached and no bounce back emails received. It truly is bizarre.

The first vendor says I have not emailed them since Sept 2024 which is incorrect, the second says they can see emails sent to my account.
EmilyS726 264.8K Reputation points Independent Advisor

2025-07-24T16:52:05.8133333+00:00

Unfortunately the information so far is not enough to lead to any conclusion.

Have you tried using a different email address (such as gmail) to email the first vendor? Interested in knowing if it goes through.

As for the second vendor, same, but opposite, ask them to send an email to another email address like gmail, I want to know if it comes through.

Answer 1

Gaynor McKinley 20

Yes, see my original post…another email address worked fine.

“The first vendor is vague and says it is being investigated, the second can email me to another account but it now looks like MS is blocking emails….”

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