Overeager spam fighting for link?

I came across this page today:

Subject: Re: redacting password in SQL statement in server log

https://www.postgresql.org/message-id/20220724114449.qqjbwgmpcgn66yhy%40jrouhaud

The spam filtering[1] that occurs for the header information appears to
have been applied to the bottom link as well - making it 404. Not sure
where that is getting applied, but doing a "raw source" and checking my
original inbox seems to indicate the link at the bottom of the email was
sent unobscured.

[1] In which alice(at)gmail(dot)com becomes alice(at)gmail(dot)com

Cheers,
Greg

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