This is not really related to letsencrypt.org , however maybe someone has any ideas: starting today my main iPhone iOS 15 is marking my letsencrypt certificate as "not trusted, expired 29 september 2021", however the certificate is correctly issued using the new "R3 <- ISRG Root X1" path, I triple ch…

We can't really help you without knowing the hostname, but a likely cause is because your server doesn't send the intermediate certificates. This causes clients to fetch them themselves and may lead to what you're seeing.

My iPhone seems to used a cached version of the old expired R3?

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rg305 Split this topic October 24, 2021, 7:31pm 6

6 posts were split to a new topic: R3 expired iOS IMAPS using Dovecot

Topic		Replies	Views
All SSL cert are saying root R3 cert has expired Help	10	2493	October 31, 2021
Expired R3 connected to DNS challenge? Help	8	826	October 30, 2021
Problem with R3 since 15:00 EST. All email down on any iOS device running current iOS 14.x Help	8	6918	October 30, 2021
R3 Intermediate certificate has expired Help	133	33737	November 1, 2021
R3 expired iOS IMAPS using Dovecot Help	6	1343	November 23, 2021

My iPhone seems to used a cached version of the old expired R3?

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