Update to IOS16 drains battery (flooding mailow logs)

smude

I wonder somebody else has recognized a similar behavior?

Mailcow is up to date and standard outside of traffic as reverse proxy. It runs since months without any trouble.
Just four accounts and 10 devices. 7 of them are iPhones & iPads. All configured to use ActiveSync.

Two of the iPhones were updated two IOS 16 for more than a week now. After that, I recognized very quick battery draining for both. Battery statistics under settings says it’s cause by mail usage up to 90%/hour.

I review the mailcow logs regular. I recognize that the Dovecot and SoGo logs are “flooded” from these two IOS 16 devices every second:
Dovecot:
27.09.2022, 18:45:14 info imap(USER1@mydomain.net)<162101><HsdSXqvptXXXXXXX>: Disconnected: Logged out in=224 out=5305 deleted=0 expunged=0 trashed=0 hdr_count=0 hdr_bytes=0 body_count=0 body_bytes=0 27.09.2022, 18:45:14 info imap-login: Login: user=<USER1@mydomain.net>, method=PLAIN, rip=172.22.1.248, lip=172.22.1.250, mpid=162101 27.09.2022, 18:45:14 info imap(USER1@mydomain.net)<162099><Y3hJXqvpsXXXXXXX>: Disconnected: Logged out in=224 out=5305 deleted=0 expunged=0 trashed=0 hdr_count=0 hdr_bytes=0 body_count=0 body_bytes=0 27.09.2022, 18:45:14 info imap-login: Login: user=<USER1@mydomain.net>, method=PLAIN, rip=172.22.1.248, lip=172.22.1.250, mpid=162099 27.09.2022, 18:45:13 info imap(USER1@mydomain.net)<162097><6pA/XqvprXXXXXXX>: Disconnected: Logged out in=224 out=5305 deleted=0 expunged=0 trashed=0 hdr_count=0 hdr_bytes=0 body_count=0 body_bytes=0 27.09.2022, 18:45:13 info imap-login: Login: user=<USER1@mydomain.net>, method=PLAIN, rip=172.22.1.248, lip=172.22.1.250, mpid=162097 27.09.2022, 18:45:12 info imap(USER1@mydomain.net)<162095><XBM2XqvpqXXXXXXX>: Disconnected: Logged out in=224 out=5305 deleted=0 expunged=0 trashed=0 hdr_count=0 hdr_bytes=0 body_count=0 body_bytes=0 27.09.2022, 18:45:12 info imap-login: Login: user=<USER1@mydomain.net>, method=PLAIN, rip=172.22.1.248, lip=172.22.1.250, mpid=162095 27.09.2022, 18:45:12 info imap(USER1@mydomain.net)<162093><ys8tXqvpUKWsFgH4>: Disconnected: Logged out in=224 out=5305 deleted=0 expunged=0 trashed=0 hdr_count=0 hdr_bytes=0 body_count=0 body_bytes=0 27.09.2022, 18:45:12 info imap-login: Login: user=<USER1@mydomain.net>, method=PLAIN, rip=172.22.1.248, lip=172.22.1.250, mpid=162093

SoGo:
27.09.2022, 18:45:14 notice [62]: 172.20.0.1, 172.20.0.1 "POST /SOGo/Microsoft-Server-ActiveSync?User=USER1@mydomain.net&DeviceId=XXXXXXXXXXXXXXXXXXXXXXX&DeviceType=iPhone&Cmd=Sync HTTP/1.0" 200 0/68 0.148 - - 0 - 13 27.09.2022, 18:45:14 notice [62]: 172.20.0.1, 172.20.0.1 "POST /SOGo/Microsoft-Server-ActiveSync?User=USER1@mydomain.net&DeviceId=XXXXXXXXXXXXXXXXXXXXXXX&DeviceType=iPhone&Cmd=Sync HTTP/1.0" 200 0/68 0.147 - - 0 - 13 27.09.2022, 18:45:13 notice [62]: 172.20.0.1, 172.20.0.1 "POST /SOGo/Microsoft-Server-ActiveSync?User=USER1@mydomain.net&DeviceId=XXXXXXXXXXXXXXXXXXXXXXX&DeviceType=iPhone&Cmd=Sync HTTP/1.0" 200 0/68 0.159 - - 0 - 13 27.09.2022, 18:45:13 notice [51]: <0x0x56498ba97d70[SOGoActiveSyncDispatcher]> Sleeping 45 seconds while detecting changes for user jes@mydomain.net in Ping... 27.09.2022, 18:45:12 notice [62]: 172.20.0.1, 172.20.0.1 "POST /SOGo/Microsoft-Server-ActiveSync?User=USER1@mydomain.net&DeviceId=XXXXXXXXXXXXXXXXXXXXXXX&DeviceType=iPhone&Cmd=Sync HTTP/1.0" 200 0/68 0.159 - - 0 - 13 27.09.2022, 18:45:12 notice [62]: 172.20.0.1, 172.20.0.1 "POST /SOGo/Microsoft-Server-ActiveSync?User=USER1@mydomain.net&DeviceId=XXXXXXXXXXXXXXXXXXXXXXX&DeviceType=iPhone&Cmd=Sync HTTP/1.0" 200 0/68 0.155 - - 0 - 13

These are the logs for one device!
Rebooting the iPhone or restart SoGo, it stops for a few minutes up to eight hours before it starts again to produce these entries every second.
I tried to delete the account on one phone and recreate it > no success
For testing I have changed one phone to Imap & Card-/Caldav. This solves the problem for this device.

smude

Outside I have a typo in the title:
The post above is now waiting six(!) days for approval.

In the meantime somebody has post similar trouble (in German)

I don’t see any function for edit or delete a post.

Please, delete the post above.

pkernstock

smude The post above is now waiting six(!) days for approval.

Yeah, unfortunately it’s been a difficult work week and I’ve overlooked approving the post - sorry! The system only flags specific posts and effectively prevents spam going through otherwise. (I’m just assisting in my free-time, not working for mailcow)

I’ll check with others to prevent this from re-occurring. Sorry!

aaronsmith

I wouldn’t worry so much about approvals to retitle your post, I’m not sure who the admin(s) are for the forums to approve them.

Thanks for sharing this information, good to know. Not sure if its an option, maybe try switching from ActiveSync to IMAP. That’s the supported method for Apple Devices per this guide:
https://docs.mailcow.email/client/client-apple/

ActiveSync as noted here is not recommended for Windows (makes no mention of iOS):
https://docs.mailcow.email/client/client-outlook/#outlook-2016-or-higher-from-office-365-on-windows

Best guess is iOS 16 changed something with ActiveSync behavior that’s likely a bug. There are reports of battery drain issues with iOS 16:
https://www.forbes.com/sites/gordonkelly/2022/09/27/apple-ios-16-iphone-battery-drain-battery-life/?sh=656b1e165583

aaronsmith

Same for me, not employed by mailcow. I’m relatively new to Mailcow but using it fully now. So trying to add value back to the community as a thank-you for the awesome solution that lets me retain control of my email data vs. a large corporation that finds ways to monetize it!

jacotec

I’ve opened an issue at SOGo regarding this: https://bugs.sogo.nu/view.php?id=5626

aaronsmith

Glad you did! I see a couple other users reported the same issue on your bug report. I still wonder if the problem is with iOS 16 vs. SOGo/Mailcow, but we’ll see. I believe iOS 16.1 is due for release soon.

DerLinkman

Jup, can confirm. I´m not sure if this is a iOS or SOGo issue. With iOS 16.1 it still persists (as mentioned in the SOGo Issue).

matti

I’m hosting some mailcow Installations and it seems, that the issue is still existing. Can anyone confirm this? The Problem is only with iPhones with ActiveSync enabled (only Mail).

mailcowdockerized-nginx-mailcow-1      | <client-IP> - info@redacted-domain [23/Feb/2023:10:52:12 +0100] "POST /Microsoft-Server-ActiveSync?User=info@redacted-domain&DeviceId=QFPLT8U6NT6EPCHBS15QE969TO&DeviceType=iPhone&Cmd=Sync HTTP/2.0" 200 0 "-" "Apple-iPhone13C4/2002.101"
mailcowdockerized-sogo-mailcow-1       | Feb 23 10:52:12 06cf38c7e3f1 sogod [149]: <client-IP> "POST /SOGo/Microsoft-Server-ActiveSync?User=info@redacted-domain&DeviceId=QFPLT8U6NT6EPCHBS15QE969TO&DeviceType=iPhone&Cmd=Sync HTTP/1.0" 200 0/63 0.159 - - 0 - 13
mailcowdockerized-dovecot-mailcow-1    | Feb 23 10:52:12 d28945d902ff dovecot: imap(info@redacted-domain)<2800><xLuN91r1upCsFgH4>: Disconnected: Logged out in=215 out=6547 deleted=0 expunged=0 trashed=0 hdr_count=0 hdr_bytes=0 body_count=0 body_bytes=0
mailcowdockerized-php-fpm-mailcow-1    | 172.22.1.12 - info@redacted-domain 23/Feb/2023:10:52:13 +0100 "GET /sogo-auth.php" 200
mailcowdockerized-nginx-mailcow-1      | 127.0.0.1 - info@redacted-domain [23/Feb/2023:10:52:13 +0100] "GET /sogo-auth HTTP/1.0" 200 0 "-" "Apple-iPhone13C4/2002.101"
mailcowdockerized-dovecot-mailcow-1    | Feb 23 10:52:13 d28945d902ff dovecot: imap-login: Login: user=<info@redacted-domain>, method=PLAIN, rip=172.22.1.248, lip=172.22.1.250, mpid=2802
mailcowdockerized-nginx-mailcow-1      | <client-IP> - info@redacted-domain [23/Feb/2023:10:52:13 +0100] "POST /Microsoft-Server-ActiveSync?User=info@redacted-domain&DeviceId=QFPLT8U6NT6EPCHBS15QE969TO&DeviceType=iPhone&Cmd=Sync HTTP/2.0" 200 0 "-" "Apple-iPhone13C4/2002.101"
mailcowdockerized-dovecot-mailcow-1    | Feb 23 10:52:13 d28945d902ff dovecot: imap(info@redacted-domain)<2802><v4eY91r1vpCsFgH4>: Disconnected: Logged out in=187 out=5954 deleted=0 expunged=0 trashed=0 hdr_count=0 hdr_bytes=0 body_count=0 body_bytes=0
mailcowdockerized-sogo-mailcow-1       | Feb 23 10:52:13 06cf38c7e3f1 sogod [149]: <client-IP> "POST /SOGo/Microsoft-Server-ActiveSync?User=info@redacted-domain&DeviceId=QFPLT8U6NT6EPCHBS15QE969TO&DeviceType=iPhone&Cmd=Sync HTTP/1.0" 200 0/63 0.172 - - 0 - 13
mailcowdockerized-php-fpm-mailcow-1    | 172.22.1.12 - info@redacted-domain 23/Feb/2023:10:52:13 +0100 "GET /sogo-auth.php" 200
mailcowdockerized-nginx-mailcow-1      | 127.0.0.1 - info@redacted-domain [23/Feb/2023:10:52:13 +0100] "GET /sogo-auth HTTP/1.0" 200 0 "-" "Apple-iPhone13C4/2002.101"

Can you give me a hint to solve this? Do you need more Information, like debug logs?

accolon

matti
This was a SOGo issue which was fixed a few months ago.

You have to remove the affected accounts on you iOS device and add them again to make the fix work.

matti

Sadly not. There are way to much auth attemps

mailcowdockerized-php-fpm-mailcow-1    | 172.22.1.10 - <user@mailbox> 23/Feb/2023:14:16:04 +0100 "GET /sogo-auth.php" 200
mailcowdockerized-nginx-mailcow-1      | 127.0.0.1 - <user@mailbox> [23/Feb/2023:14:16:04 +0100] "GET /sogo-auth HTTP/1.0" 200 0 "-" "Apple-iPhone12C8/2004.67"
mailcowdockerized-dovecot-mailcow-1    | Feb 23 14:16:05 3c93c4d6d8b6 dovecot: imap-login: Login: user=<<user@mailbox>>, method=PLAIN, rip=172.22.1.248, lip=172.22.1.250, mpid=53926
mailcowdockerized-dovecot-mailcow-1    | Feb 23 14:16:06 3c93c4d6d8b6 dovecot: imap(<user@mailbox>)<53926><UkCj0F31+MmsFgH4>: Disconnected: Logged out in=371 out=194208 deleted=0 expunged=0 trashed=0 hdr_count=1 hdr_bytes=6572 body_count=1 body_bytes=180825
mailcowdockerized-sogo-mailcow-1       | Feb 23 14:16:06 a55de47849fb sogod [20162]: <customerIP> "POST /SOGo/Microsoft-Server-ActiveSync?User=<user@mailbox>&DeviceId=QTMD0KLK714LFCAN0GCCNJ7DC8&DeviceType=iPhone&Cmd=Sync HTTP/1.0" 200 181482/112 1.449 - - 2M - 12
mailcowdockerized-nginx-mailcow-1      | <customerIP> - <user@mailbox> [23/Feb/2023:14:16:06 +0100] "POST /Microsoft-Server-ActiveSync?User=<user@mailbox>&DeviceId=QTMD0KLK714LFCAN0GCCNJ7DC8&DeviceType=iPhone&Cmd=Sync HTTP/2.0" 200 181482 "-" "Apple-iPhone12C8/2004.67"
mailcowdockerized-php-fpm-mailcow-1    | 172.22.1.10 - <user@mailbox> 23/Feb/2023:14:16:06 +0100 "GET /sogo-auth.php" 200
mailcowdockerized-nginx-mailcow-1      | 127.0.0.1 - <user@mailbox> [23/Feb/2023:14:16:06 +0100] "GET /sogo-auth HTTP/1.0" 200 0 "-" "Apple-iPhone12C8/2004.67"
mailcowdockerized-dovecot-mailcow-1    | Feb 23 14:16:08 3c93c4d6d8b6 dovecot: imap-login: Login: user=<<user@mailbox>>, method=PLAIN, rip=172.22.1.248, lip=172.22.1.250, mpid=53938
mailcowdockerized-nginx-mailcow-1      | <customerIP> - <user@mailbox> [23/Feb/2023:14:16:08 +0100] "POST /Microsoft-Server-ActiveSync?User=<user@mailbox>&DeviceId=QTMD0KLK714LFCAN0GCCNJ7DC8&DeviceType=iPhone&Cmd=Sync HTTP/2.0" 200 0 "-" "Apple-iPhone12C8/2004.67"
mailcowdockerized-dovecot-mailcow-1    | Feb 23 14:16:08 3c93c4d6d8b6 dovecot: imap(<user@mailbox>)<53938><dovE0F31BMqsFgH4>: Disconnected: Logged out in=285 out=5240 deleted=0 expunged=0 trashed=0 hdr_count=0 hdr_bytes=0 body_count=0 body_bytes=0
mailcowdockerized-sogo-mailcow-1       | Feb 23 14:16:08 a55de47849fb sogod [20162]: <customerIP> "POST /SOGo/Microsoft-Server-ActiveSync?User=<user@mailbox>&DeviceId=QTMD0KLK714LFCAN0GCCNJ7DC8&DeviceType=iPhone&Cmd=Sync HTTP/1.0" 200 0/111 1.383 - - 0 - 12
mailcowdockerized-php-fpm-mailcow-1    | 172.22.1.10 - <user@mailbox> 23/Feb/2023:14:16:08 +0100 "GET /sogo-auth.php" 200
mailcowdockerized-nginx-mailcow-1      | 127.0.0.1 - <user@mailbox> [23/Feb/2023:14:16:08 +0100] "GET /sogo-auth HTTP/1.0" 200 0 "-" "Apple-iPhone12C8/2004.67"
mailcowdockerized-dovecot-mailcow-1    | Feb 23 14:16:09 3c93c4d6d8b6 dovecot: imap-login: Login: user=<<user@mailbox>>, method=PLAIN, rip=172.22.1.248, lip=172.22.1.250, mpid=53949
mailcowdockerized-nginx-mailcow-1      | <customerIP> - <user@mailbox> [23/Feb/2023:14:16:09 +0100] "POST /Microsoft-Server-ActiveSync?User=<user@mailbox>&DeviceId=QTMD0KLK714LFCAN0GCCNJ7DC8&DeviceType=iPhone&Cmd=Sync HTTP/2.0" 200 0 "-" "Apple-iPhone12C8/2004.67"
mailcowdockerized-dovecot-mailcow-1    | Feb 23 14:16:09 3c93c4d6d8b6 dovecot: imap(<user@mailbox>)<53949><t9zg0F31EMqsFgH4>: Disconnected: Logged out in=211 out=4785 deleted=0 expunged=0 trashed=0 hdr_count=0 hdr_bytes=0 body_count=0 body_bytes=0
mailcowdockerized-sogo-mailcow-1       | Feb 23 14:16:09 a55de47849fb sogod [20162]: <customerIP> "POST /SOGo/Microsoft-Server-ActiveSync?User=<user@mailbox>&DeviceId=QTMD0KLK714LFCAN0GCCNJ7DC8&DeviceType=iPhone&Cmd=Sync HTTP/1.0" 200 0/65 1.312 - - 0 - 12
mailcowdockerized-php-fpm-mailcow-1    | 172.22.1.10 - <user@mailbox> 23/Feb/2023:14:16:10 +0100 "GET /sogo-auth.php" 200
mailcowdockerized-nginx-mailcow-1      | 127.0.0.1 - <user@mailbox> [23/Feb/2023:14:16:10 +0100] "GET /sogo-auth HTTP/1.0" 200 0 "-" "Apple-iPhone12C8/2004.67"
mailcowdockerized-dovecot-mailcow-1    | Feb 23 14:16:11 3c93c4d6d8b6 dovecot: imap-login: Login: user=<<user@mailbox>>, method=PLAIN, rip=172.22.1.248, lip=172.22.1.250, mpid=53958
mailcowdockerized-dovecot-mailcow-1    | Feb 23 14:16:11 3c93c4d6d8b6 dovecot: imap(<user@mailbox>)<53958><GcH80F31HsqsFgH4>: Disconnected: Logged out in=229 out=5347 deleted=0 expunged=0 trashed=0 hdr_count=0 hdr_bytes=0 body_count=0 body_bytes=0
mailcowdockerized-nginx-mailcow-1      | <customerIP> - <user@mailbox> [23/Feb/2023:14:16:11 +0100] "POST /Microsoft-Server-ActiveSync?User=<user@mailbox>&DeviceId=QTMD0KLK714LFCAN0GCCNJ7DC8&DeviceType=iPhone&Cmd=Sync HTTP/2.0" 200 0 "-" "Apple-iPhone12C8/2004.67"
mailcowdockerized-sogo-mailcow-1       | Feb 23 14:16:11 a55de47849fb sogod [20162]: <customerIP> "POST /SOGo/Microsoft-Server-ActiveSync?User=<user@mailbox>&DeviceId=QTMD0KLK714LFCAN0GCCNJ7DC8&DeviceType=iPhone&Cmd=Sync HTTP/1.0" 200 0/112 1.396 - - 0 - 12
mailcowdockerized-php-fpm-mailcow-1    | 172.22.1.10 - <user@mailbox> 23/Feb/2023:14:16:12 +0100 "GET /sogo-auth.php" 200
mailcowdockerized-nginx-mailcow-1      | 127.0.0.1 - <user@mailbox> [23/Feb/2023:14:16:12 +0100] "GET /sogo-auth HTTP/1.0" 200 0 "-" "Apple-iPhone12C8/2004.67"
mailcowdockerized-dovecot-mailcow-1    | Feb 23 14:16:13 3c93c4d6d8b6 dovecot: imap-login: Login: user=<<user@mailbox>>, method=PLAIN, rip=172.22.1.248, lip=172.22.1.250, mpid=53966
mailcowdockerized-nginx-mailcow-1      | <customerIP> - <user@mailbox> [23/Feb/2023:14:16:13 +0100] "POST /Microsoft-Server-ActiveSync?User=<user@mailbox>&DeviceId=QTMD0KLK714LFCAN0GCCNJ7DC8&DeviceType=iPhone&Cmd=Sync HTTP/2.0" 200 0 "-" "Apple-iPhone12C8/2004.67"
mailcowdockerized-sogo-mailcow-1       | Feb 23 14:16:13 a55de47849fb sogod [20162]: <customerIP> "POST /SOGo/Microsoft-Server-ActiveSync?User=<user@mailbox>&DeviceId=QTMD0KLK714LFCAN0GCCNJ7DC8&DeviceType=iPhone&Cmd=Sync HTTP/1.0" 200 0/65 1.330 - - 0 - 12
mailcowdockerized-dovecot-mailcow-1    | Feb 23 14:16:13 3c93c4d6d8b6 dovecot: imap(<user@mailbox>)<53966><d7EZ0V31KsqsFgH4>: Disconnected: Logged out in=211 out=4777 deleted=0 expunged=0 trashed=0 hdr_count=0 hdr_bytes=0 body_count=0 body_bytes=0
mailcowdockerized-php-fpm-mailcow-1    | 172.22.1.10 - <user@mailbox> 23/Feb/2023:14:16:14 +0100 "GET /sogo-auth.php" 200
mailcowdockerized-nginx-mailcow-1      | 127.0.0.1 - <user@mailbox> [23/Feb/2023:14:16:14 +0100] "GET /sogo-auth HTTP/1.0" 200 0 "-" "Apple-iPhone12C8/2004.67"
mailcowdockerized-dovecot-mailcow-1    | Feb 23 14:16:15 3c93c4d6d8b6 dovecot: imap-login: Login: user=<<user@mailbox>>, method=PLAIN, rip=172.22.1.248, lip=172.22.1.250, mpid=53968
mailcowdockerized-dovecot-mailcow-1    | Feb 23 14:16:15 3c93c4d6d8b6 dovecot: imap(<user@mailbox>)<53968><eFI40V31NsqsFgH4>: Disconnected: Logged out in=371 out=23637 deleted=0 expunged=0 trashed=0 hdr_count=1 hdr_bytes=4861 body_count=1 body_bytes=12647
mailcowdockerized-sogo-mailcow-1       | Feb 23 14:16:15 a55de47849fb sogod [20162]: <customerIP> "POST /SOGo/Microsoft-Server-ActiveSync?User=<user@mailbox>&DeviceId=QTMD0KLK714LFCAN0GCCNJ7DC8&DeviceType=iPhone&Cmd=Sync HTTP/1.0" 200 13238/112 1.442 - - 24K - 12
mailcowdockerized-nginx-mailcow-1      | <customerIP> - <user@mailbox> [23/Feb/2023:14:16:15 +0100] "POST /Microsoft-Server-ActiveSync?User=<user@mailbox>&DeviceId=QTMD0KLK714LFCAN0GCCNJ7DC8&DeviceType=iPhone&Cmd=Sync HTTP/2.0" 200 13238 "-" "Apple-iPhone12C8/2004.67"

After enabling Debug in sogo.conf SOGoEASDebugEnabled = YES; There are a lot of those logs.

mailcowdockerized-sogo-mailcow-1       | Feb 23 14:21:11 a55de47849fb syslog-ng[7]: Error processing log message: <Sync xmlns="AirSync:">
mailcowdockerized-sogo-mailcow-1       |  <Collections>
mailcowdockerized-sogo-mailcow-1       |   <Collection>
mailcowdockerized-sogo-mailcow-1       |    <SyncKey>0</SyncKey>
mailcowdockerized-sogo-mailcow-1       |    <CollectionId>mail%2FTemplates</CollectionId>
mailcowdockerized-sogo-mailcow-1       |    <Options>
mailcowdockerized-sogo-mailcow-1       |     <FilterType>5</FilterType>
mailcowdockerized-sogo-mailcow-1       |     <MIMETruncation>1</MIMETruncation>
mailcowdockerized-sogo-mailcow-1       |     <MIMESupport>0</MIMESupport>
mailcowdockerized-sogo-mailcow-1       |     <BodyPreference xmlns="AirSyncBase:">
mailcowdockerized-sogo-mailcow-1       |      <Type>1</Type>
mailcowdockerized-sogo-mailcow-1       |      <TruncationSize>500</TruncationSize>
mailcowdockerized-sogo-mailcow-1       |     </BodyPreference>
mailcowdockerized-sogo-mailcow-1       |    </Options>
mailcowdockerized-sogo-mailcow-1       |   </Collection>
mailcowdockerized-sogo-mailcow-1       |  </Collections>
mailcowdockerized-sogo-mailcow-1       | </Sync>
mailcowdockerized-sogo-mailcow-1       |
mailcowdockerized-sogo-mailcow-1       | e>500</TruncationSize>
mailcowdockerized-sogo-mailcow-1       |     </BodyPreference>
mailcowdockerized-sogo-mailcow-1       |    </Options>
mailcowdockerized-sogo-mailcow-1       |   </Collection>
mailcowdockerized-sogo-mailcow-1       |  </Collections>
mailcowdockerized-sogo-mailcow-1       | </Sync>
mailcowdockerized-sogo-mailcow-1       |

mailcowdockerized-sogo-mailcow-1       | 0[SOGoWebDAVAclManager]> entry '{DAV:}write-properties' already exists in DAV permissions table
mailcowdockerized-sogo-mailcow-1       | Feb 23 14:21:06 sogod [152]: [WARN] <0x0x55d30d0c7470[SOGoWebDAVAclManager]> entry '{DAV:}write-content' already exists in DAV permissions table

mailcowdockerized-dovecot-mailcow-1    | Feb 23 14:21:11 3c93c4d6d8b6 dovecot: imap-login: Login: user=<<user@mailbox>>, method=PLAIN, rip=172.22.1.248, lip=172.22.1.250, mpid=55228
mailcowdockerized-nginx-mailcow-1      | <customerIP> - <user@mailbox> [23/Feb/2023:14:21:11 +0100] "POST /Microsoft-Server-ActiveSync?User=<user@mailbox>&DeviceId=EMJOPO11D97852TQTJ0OER3DRK&DeviceType=iPhone&Cmd=Sync HTTP/2.0" 200 0 "-" "Apple-iPhone13C4/2003.65"
mailcowdockerized-dovecot-mailcow-1    | Feb 23 14:21:11 3c93c4d6d8b6 dovecot: imap(<user@mailbox>)<55228><0uHq4l31CNusFgH4>: Disconnected: Logged out in=216 out=2362 deleted=0 expunged=0 trashed=0 hdr_count=0 hdr_bytes=0 body_count=0 body_bytes=0
mailcowdockerized-sogo-mailcow-1       | Feb 23 14:21:11 a55de47849fb sogod [156]: <customerIP> "POST /SOGo/Microsoft-Server-ActiveSync?User=<user@mailbox>&DeviceId=EMJOPO11D97852TQTJ0OER3DRK&DeviceType=iPhone&Cmd=Sync HTTP/1.0" 200 0/68 0.117 - - 0 - 12

The issue is gone when the Mailsync is deactivated. Sometimes a restart of the sogo Container solves it for some short time. Is there any chance to clear the cache? The iPhone isn’t going to sleep for 120 seconds…

Another question is, can I protect my server with a like rate limit? I can’t believe, that I’m the only one with this issues 😟

Thank you for your replies

toffelwurst

matti
I have the exact same problems here on 3 different iOS devices with different mail accounts. Sometimes i have battery drain of 50% and more in less than 12h and most of the time i can fix it by de- and reactivating mailsync on the iPhones and / or restart the SoGo container.
My ₇₅% workaround now is a script, that restarts the SoGo container two times a week during the night. It feels like it happens less often but it may be just my imagination.