Hi Team,
i am running pmg 9.0.6 and I notice that the tmp folder gets full. I have to reboot it to get mail flowing again.
Currently a df -h shows:
Filesystem Size Used Avail Use% Mounted on
udev 2.4G 0 2.4G 0% /dev
tmpfs 438M 712K 437M 1% /run
/dev/mapper/pmg-root 172G 12G 152G 7% /
tmpfs 1.7G 1.1M 1.7G 1% /dev/shm
tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs 1.0M 0 1.0M 0% /run/credentials/systemd-journald.service
tmpfs 1.5G 33M 1.4G 3% /tmp
tmpfs 1.0M 0 1.0M 0% /run/credentials/getty@tty1.service
tmpfs 299M 8.0K 299M 1% /run/user/0
PMG version
```text
proxmox-mailgateway: 9.0.0
pmg-api: 9.0.6
pmg-gui: 5.0.5
proxmox-kernel-helper: 9.0.4
proxmox-kernel-6.17: 6.17.13-2
proxmox-kernel-6.17.13-2-pve-signed: 6.17.13-2
proxmox-kernel-6.8.12-20-pve-signed: 6.8.12-20
proxmox-kernel-6.8: 6.8.12-20
proxmox-kernel-6.8.12-19-pve-signed: 6.8.12-19
proxmox-kernel-6.8.12-18-pve-signed: 6.8.12-18
proxmox-kernel-6.8.12-17-pve-signed: 6.8.12-17
proxmox-kernel-6.8.12-16-pve-signed: 6.8.12-16
proxmox-kernel-6.8.12-13-pve-signed: 6.8.12-13
proxmox-kernel-6.8.12-8-pve-signed: 6.8.12-8
clamav-daemon: 1.4.3+dfsg-1
ifupdown2: 3.3.0-1+pmx12
libarchive-perl: 3.7.4.1
libjs-extjs: 7.0.0-5
libproxmox-acme-perl: 1.7.1
libproxmox-acme-plugins: 1.7.1
libpve-apiclient-perl: 3.4.2
libpve-common-perl: 9.1.9
libpve-http-server-perl: 6.0.5
libxdgmime-perl: 1.2.0
lvm2: 2.03.31-2+pmx1
pmg-docs: 9.0.6
pmg-i18n: 3.7.0
pmg-log-tracker: 3.0.1
proxmox-mini-journalreader: 1.6
proxmox-offline-mirror-helper: 0.7.3
proxmox-spamassassin: 4.0.2-1
proxmox-widget-toolkit: 5.1.9
pve-firmware: 3.18-1
pve-xtermjs: 5.5.0-3
zfsutils-linux: 2.4.1-pve1
```
I can see this in syslog:
/var/log# grep -i "no space" /var/log/syslog
2026-05-06T14:04:06.454221+01:00 spammer pmg-smtp-filter[178018]: 6E04FB69FB3C466A9EB: unable to parse message - MIME:
arser: can't flush: No space left on device at /usr/share/perl5/MIME/Parser.pm line 787, <GEN9120> line 199.
2026-05-06T14:04:07.831699+01:00 spammer pmg-smtp-filter[178010]: 6E013569FB3C47C6EEF: unable to parse message - MIME:arser: can't flush: No space left on device at /usr/share/perl5/MIME/Parser.pm line 787, <GEN9146> line 199.
2026-05-06T14:23:09.740598+01:00 spammer pmg-smtp-filter[178851]: 6E030469FB40BDAF17C: unable to parse message - MIME:arser: can't flush: No space left on device at /usr/share/perl5/MIME/Parser.pm line 787, <GEN9359> line 199.
...
2026-05-06T16:28:03.568606+01:00 spammer pmg-smtp-filter[180948]: 6E030469FB5E035808F: unable to parse message - MIME:arser: can't flush: No space left on device at /usr/share/perl5/MIME/Parser.pm line 787, <GEN11628> line 162.
grep: /var/log/syslog: binary file matches
Could someone advise please?
i am running pmg 9.0.6 and I notice that the tmp folder gets full. I have to reboot it to get mail flowing again.
Currently a df -h shows:
Filesystem Size Used Avail Use% Mounted on
udev 2.4G 0 2.4G 0% /dev
tmpfs 438M 712K 437M 1% /run
/dev/mapper/pmg-root 172G 12G 152G 7% /
tmpfs 1.7G 1.1M 1.7G 1% /dev/shm
tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs 1.0M 0 1.0M 0% /run/credentials/systemd-journald.service
tmpfs 1.5G 33M 1.4G 3% /tmp
tmpfs 1.0M 0 1.0M 0% /run/credentials/getty@tty1.service
tmpfs 299M 8.0K 299M 1% /run/user/0
PMG version
```text
proxmox-mailgateway: 9.0.0
pmg-api: 9.0.6
pmg-gui: 5.0.5
proxmox-kernel-helper: 9.0.4
proxmox-kernel-6.17: 6.17.13-2
proxmox-kernel-6.17.13-2-pve-signed: 6.17.13-2
proxmox-kernel-6.8.12-20-pve-signed: 6.8.12-20
proxmox-kernel-6.8: 6.8.12-20
proxmox-kernel-6.8.12-19-pve-signed: 6.8.12-19
proxmox-kernel-6.8.12-18-pve-signed: 6.8.12-18
proxmox-kernel-6.8.12-17-pve-signed: 6.8.12-17
proxmox-kernel-6.8.12-16-pve-signed: 6.8.12-16
proxmox-kernel-6.8.12-13-pve-signed: 6.8.12-13
proxmox-kernel-6.8.12-8-pve-signed: 6.8.12-8
clamav-daemon: 1.4.3+dfsg-1
ifupdown2: 3.3.0-1+pmx12
libarchive-perl: 3.7.4.1
libjs-extjs: 7.0.0-5
libproxmox-acme-perl: 1.7.1
libproxmox-acme-plugins: 1.7.1
libpve-apiclient-perl: 3.4.2
libpve-common-perl: 9.1.9
libpve-http-server-perl: 6.0.5
libxdgmime-perl: 1.2.0
lvm2: 2.03.31-2+pmx1
pmg-docs: 9.0.6
pmg-i18n: 3.7.0
pmg-log-tracker: 3.0.1
proxmox-mini-journalreader: 1.6
proxmox-offline-mirror-helper: 0.7.3
proxmox-spamassassin: 4.0.2-1
proxmox-widget-toolkit: 5.1.9
pve-firmware: 3.18-1
pve-xtermjs: 5.5.0-3
zfsutils-linux: 2.4.1-pve1
```
I can see this in syslog:
/var/log# grep -i "no space" /var/log/syslog
2026-05-06T14:04:06.454221+01:00 spammer pmg-smtp-filter[178018]: 6E04FB69FB3C466A9EB: unable to parse message - MIME:
arser: can't flush: No space left on device at /usr/share/perl5/MIME/Parser.pm line 787, <GEN9120> line 199.2026-05-06T14:04:07.831699+01:00 spammer pmg-smtp-filter[178010]: 6E013569FB3C47C6EEF: unable to parse message - MIME:
arser: can't flush: No space left on device at /usr/share/perl5/MIME/Parser.pm line 787, <GEN9146> line 199.2026-05-06T14:23:09.740598+01:00 spammer pmg-smtp-filter[178851]: 6E030469FB40BDAF17C: unable to parse message - MIME:
arser: can't flush: No space left on device at /usr/share/perl5/MIME/Parser.pm line 787, <GEN9359> line 199....
2026-05-06T16:28:03.568606+01:00 spammer pmg-smtp-filter[180948]: 6E030469FB5E035808F: unable to parse message - MIME:
arser: can't flush: No space left on device at /usr/share/perl5/MIME/Parser.pm line 787, <GEN11628> line 162.grep: /var/log/syslog: binary file matches
Could someone advise please?