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When Sending an email to an individual in a chain email when reply all there email address shows incorrectly thus getting an error when sending

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I am seem to be having this problem with one individual who is using outlook 365 as there mail client. I am using the latest version of Thunderbird 45.5.0

Does not seem to be my end and only happening with this person them from what I know of. I have deleted them from my address book and added them again but same thing is happening.

Its very odd as the email on my side is 100% right but when they or someone else in email chain reply all this persons email address shows incorrectly just name@ or additional characters in-front of address. They then do not end up receiving the email chains.

Has anyone come across this and is it something on my or there side.

I am seem to be having this problem with one individual who is using outlook 365 as there mail client. I am using the latest version of Thunderbird 45.5.0 Does not seem to be my end and only happening with this person them from what I know of. I have deleted them from my address book and added them again but same thing is happening. Its very odd as the email on my side is 100% right but when they or someone else in email chain reply all this persons email address shows incorrectly just name@ or additional characters in-front of address. They then do not end up receiving the email chains. Has anyone come across this and is it something on my or there side.

All Replies (2)

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my guess is they have set the reply to field in their mail client, and done it with the incorrect email address.

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Matt said

my guess is they have set the reply to field in their mail client, and done it with the incorrect email address.

Hi Matt, thanks for the comment, unfortunately don't think this is the case as when I send emails from my mobile to the same recipient its fine!