This mod will add a task to delete all old personal messages  that have been sent more than x number days ago. The mod can be enabled/disabled from its settings, where you can also enter the number of days for old pms to be deleted.

DeleteOldPms.zip 5438 KB

Manual installation info 1.0 RC1 1.0 RC2 1.0 1.0.1 1.0.2 1.0.3 1.0.4 1.0.5 1.0.6 1.0.7 1.0.8 1.0.9 1.0.10 1.0.11 1.0.12 1.0.13 1.0.14 1.0.15 1.0.16 1.0.17 1.0.18 1.0.19 1.0.20 1.0.21 1.0.22 1.0.23 1.1 Beta 3 Public 1.1 RC1 1.1 RC2 1.1 RC3 1.1 1.1.1 1.1.2 1.1.3 1.1.4 1.1.5 1.1.6 1.1.7 1.1.8 1.1.9 1.1.10 1.1.11 1.1.12 1.1.13 1.1.14 1.1.15 1.1.16 1.1.17 1.1.18 1.1.19 1.1.20 1.1.21 2.0 Beta 1 2.0 Beta 1.1 2.0 Beta 3 Public 2.0 Beta 3.1 Public 2.0 Beta 4 2.0 RC1 2.0 RC1-1 2.0 RC1.2 2.0 RC2 2.0 RC3 2.0 RC4 2.0 RC4 Security Patch 2.0 RC5 2.0 2.0.1 2.0.2 2.0.3 2.0.4 2.0.5 2.0.6 2.0.7 2.0.8 2.0.9 2.0.10 2.0.11 2.0.12 2.0.13 2.0.14 2.0.15 2.0.16 2.0.17 2.0.18 2.1 Beta 1 2.1 Beta 2 2.1 Beta 3 2.1 RC1 2.1 RC2 2.1 RC3 2.1 RC4