Does the Microsoft Mail App add a Message-ID Email Header

EK 1

When sending emails from the Microsoft Mail App (Win10Pro,21H2) to gmail-recipients, these emails are not accepted since a few weeks, as it seems that this Mail App does not add a Message-ID in the email header which the gmail-side seems to require.
( I checked this in my Webclient , where I can see the full header).

Reading some other Q&A here, I see that Outlook add this Message-ID.

I allready tried deinstalling/installing the Mail-App, and updating Windows completely, but still the Mail-App does not add the Message-ID.

Is there any way to set up the Mail App in such a way as to add a Message-ID?

Thank you very much in advance.

Kind regards
EK

KyleXu-MSFT 26,211 Reputation points

2022-08-26T02:02:16.25+00:00

@EK

Which mail server that you used? I try with an Exchange online mailbox to send emails to Gmail, there doesn't exist any issue when using the Mail APP on Windows 10. So, I think this phenomenon isn't caused by client.

I guess this issue may related to SPF record or other limitation on your mail server.
EK 1 Reputation point

2022-08-27T09:18:49.44+00:00

@ KyleXu-MSFT : Thank you very much for your response.
My mail server is a IMAP server provided by my hosting provider and did work without problems in the last years and still works with outlook.

The mail server does not seem to be the problem, as email sent via the same mail server from Outlook, iOS mail clients and the Webclient work without problems either with emails sent as first or as a reply to a received mail.
Also the issues started appearing - in a somewhat erratic way - in the last weeks - witout changing anything in the Windows Mail client setup.
The reponse I get is as in the following:
">: host gmail-smtp-in.l.google.com[xxx.xxx.xxx.xx] said:
550-5.7.1 [xx.xx.xx.xxx] Messages missing a valid messageId header are not
550 5.7.1 accepted. u17-xxxxxxxxxxxxxxxxxxxxxxxxxx.xx - gsmtp (in reply to end of DATA command)"

I was hoping by having Windows Mail add a Message-ID (as Outlook and other clients) I would solve the issue.

Kind regards
EK
Timmy 1 Reputation point

2022-10-10T03:57:58.16+00:00

This is what I have experienced exactly the same right now. The same PC with same email profile, one Outlook, one Mail app. For the Outlook is working fine, while the Mail app, it is not working.

2 answers

Andy David - MVP 141.6K Reputation points MVP

2022-08-27T14:51:39.257+00:00

There is no requirement that mail servers or clients add a message-id , although they should. If Gmail rejects these, there isnt much you can do other than to not use the Windows Mail client if its not doing the right thing.
Please sign in to rate this answer.

1 person found this answer helpful.

0 comments No comments
Sign in to comment
BlueTie 5 Reputation points

2023-01-19T12:49:33.26+00:00

To eliminate the error/rejection from Google you are getting, make sure your domain is authenticated by adding a valid SPF record on your domain. If you are not authenticated, GMail will scrutenize your email. The originating application should add a message-id, but it isn't required. Google will add one, but without being authenticating, will usually opt to reject your email instead.
Please sign in to rate this answer.

1 person found this answer helpful.
Malcolm McMahon 0 Reputation points

2023-06-06T12:50:20.5333333+00:00

That was the previous reason why my e-mail was being rejected by gmail. I got my name service provider to fix that one, adding a SPF record. It seems that gmail has tightened up considerably in the last month or so. I can now send messages to gmail from my phone again, but not from my Windows system.

As far as I know creating the message ID is the responsibility of the e-mail program. It used to be considered optional. Now gmail have just, effectively, made it mandatory. I can't find any mailer program setting to generate one for a new e-mail.

I may have to switch to a new e-mail program, there's plenty out there for free.
Sign in to comment