For what it's worth - I have been having the same issue with Mail.app on
iOS. Not sure about macOS since I use Thunderbird.
I suspect it's an issue with the client itself - Mail.app. Not seeing
anything in logs that would indicate an IMAP server issue.
If it's been awhile since I opened the client (ie, overnight), the
status bar does show "Downloading {num_messages} Messages" but UI never
updates with the latest messages. In order to fix it, I have to close
and re-open the Mail.app.
Thunderbird on macOS works fine. Maybe issue is with my large mail box
(40,000+ e-mails) and Mail.app is just poorly optimized? Or maybe new
features -- "Categories" and "Apple Intelligence" -- broke the client?
Devices:
* iPhone 15 Pro Max -- iOS 18.3.1
Darren
On 2/23/25 05:46, Simon Hoffmann via dovecot wrote:
Hey list,
I am experiencing a strange problem where I don't even know where to begin to
debug.
I am running my own email server in my office. The server itself works fine.
In my office firewall, I have set up DNAT/port forwarding to be able to access
the server
from outside.
With my Android phone and my iPad I have no problems accessing the mails from
anywhere, including my home WiFi.
However with my iPhone, I have problems accessing my inbox when I am on my home
WiFi.
The problems only started a few weeks ago, it worked fine for years before. I
have
not changed any network related settings.
Now, when I am on my home WiFi, I cannot use the "pull down to refresh"
gesture. It
just is not fetching any emails. The automatic sync/fetching is also not
fetching the
newest emails. Eventually, some emails will come through, but they are
from ~6-7 hours ago. Same WiFi as my other devices that work fine.
As soon as I disable WiFi on my iPhone and switch to mobile data and do the
"pull
down to refresh" gesture, all mails from the last 6-7 hours immediately come in.
Has anyone ever experienced something like this and can help me analyse the
problem?
root@mx01:~# uname -a
Linux mx01 5.10.0-33-amd64 #1 SMP Debian 5.10.226-1 (2024-10-03) x86_64
GNU/Linux
root@mx01:~# cat /etc/os-release
PRETTY_NAME="Debian GNU/Linux 11 (bullseye)"
NAME="Debian GNU/Linux"
VERSION_ID="11"
VERSION="11 (bullseye)"
VERSION_CODENAME=bullseye
ID=debian
HOME_URL="https://www.debian.org/";
SUPPORT_URL="https://www.debian.org/support";
BUG_REPORT_URL="https://bugs.debian.org/";
root@mx01:~# dpkg -l dovecot*
||/ Name Version Architektur Beschreibung
+++-======================-========================-============-===============================================
un dovecot-abi-2.3.abiv13 <keine> <keine> (keine
Beschreibung vorhanden)
un dovecot-common <keine> <keine> (keine
Beschreibung vorhanden)
ii dovecot-core 1:2.3.13+dfsg1-2+deb11u2 amd64 secure
POP3/IMAP server - core files
un dovecot-gssapi <keine> <keine> (keine
Beschreibung vorhanden)
ii dovecot-imapd 1:2.3.13+dfsg1-2+deb11u2 amd64 secure
POP3/IMAP server - IMAP daemon
un dovecot-ldap <keine> <keine> (keine
Beschreibung vorhanden)
ii dovecot-lmtpd 1:2.3.13+dfsg1-2+deb11u2 amd64 secure
POP3/IMAP server - LMTP server
un dovecot-lucene <keine> <keine> (keine
Beschreibung vorhanden)
ii dovecot-managesieved 1:2.3.13+dfsg1-2+deb11u2 amd64 secure
POP3/IMAP server - ManageSieve server
un dovecot-mysql <keine> <keine> (keine
Beschreibung vorhanden)
un dovecot-pgsql <keine> <keine> (keine
Beschreibung vorhanden)
un dovecot-pop3d <keine> <keine> (keine
Beschreibung vorhanden)
ii dovecot-sieve 1:2.3.13+dfsg1-2+deb11u2 amd64 secure
POP3/IMAP server - Sieve filters support
un dovecot-solr <keine> <keine> (keine
Beschreibung vorhanden)
un dovecot-sqlite <keine> <keine> (keine
Beschreibung vorhanden)
un dovecot-submissiond <keine> <keine> (keine
Beschreibung vorhanden)
Thanks!
Cheers,
Simon
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