https://urldefense.proofpoint.com/v2/url?u=https-3A__nam01.safelinks.protection.outlook.com_-3Furl-3Dhttps-253A-252F-252Furldefense.proofpoint.com-252Fv2-252Furl-253Fu-253Dhttp-2D3A-5F-5Fwww.cs.concordia.ca-5F-2D7Emokhov-2526d-253DDwIFaQ-2526c-253DgRgGjJ3BkIsb5y6s49QqsA-2526r-253Dgd8BzeSQcySVxr0gDWSEbN-2DP-2DpgDXkdyCtaMqdCgPPdW1cyL5RIpaIYrCn8C5x2A-2526m-253DReXrKueW8ZKy6ZeDrhbuU0jFxocBkwAtzvgZ8Lw2ARo-2526s-253Dbe7he2wCrlv4hIwX-5Fh0scVYIki4Qb7seECAg7OOc-2DMY-2526e-26amp-3Bdata-3D02-257C01-257Crdt12-2540PSU.EDU-257C9fb96135f1114e1bf6b108d7b938cfd4-257C7cf48d453ddb4389a9c1c115526eb52e-257C0-257C0-257C637181525973769014-26amp-3Bsdata-3DefZ-252FN-252FksB4JxCeCgsEBmSkFNIfgbSPGAiP70rfaAVes-253D-26amp-3Breserved-3D0-3D&d=DwIF-g&c=gRgGjJ3BkIsb5y6s49QqsA&r=gd8BzeSQcySVxr0gDWSEbN-P-pgDXkdyCtaMqdCgPPdW1cyL5RIpaIYrCn8C5x2A&m=8TdfyJ1u8MnWKcS6ydkH1brzzoEzq1IZRhMef5YNV1I&s=hPRLpwZu7HwRGmm7_TBUfJv0w0CSwjuGooVPdc6YHzI&e=
https://urldefense.proofpoint.com/v2/url?u=https-3A__nam01.safelinks.protection.outlook.com_-3Furl-3Dhttps-253A-252F-252Furldefense.proofpoint.com-252Fv2-252Furl-253Fu-253Dhttp-2D3A-5F-5Fcciff.ca-2526d-253DDwIFaQ-2526c-253DgRgGjJ3BkIsb5y6s49QqsA-2526r-253Dgd8BzeSQcySVxr0gDWSEbN-2DP-2DpgDXkdyCtaMqdCgPPdW1cyL5RIpaIYrCn8C5x2A-2526m-253DReXrKueW8ZKy6ZeDrhbuU0jFxocBkwAtzvgZ8Lw2ARo-2526s-253Dr1CyWyPBkhOKlYHXLLBrBRzhyvOXZfdHagfuQ1DQWDk-2526e-26amp-3Bdata-3D02-257C01-257Crdt12-2540PSU.EDU-257C9fb96135f1114e1bf6b108d7b938cfd4-257C7cf48d453ddb4389a9c1c115526eb52e-257C0-257C0-257C637181525973769014-26amp-3Bsdata-3DvOC8W1XdAWbpKhU0ZWNK02OGyw1V4hUoT5gbdi0MMYM-253D-26amp-3Breserved-3D0-3D&d=DwIF-g&c=gRgGjJ3BkIsb5y6s49QqsA&r=gd8BzeSQcySVxr0gDWSEbN-P-pgDXkdyCtaMqdCgPPdW1cyL5RIpaIYrCn8C5x2A&m=8TdfyJ1u8MnWKcS6ydkH1brzzoEzq1IZRhMef5YNV1I&s=AjMm_VAXOf28cikomJtmfuTunn_KhxlwZvjcCllMptM&e=   | https://urldefense.proofpoint.com/v2/url?u=https-3A__nam01.safelinks.protection.outlook.com_-3Furl-3Dhttps-253A-252F-252Furldefense.proofpoint.com-252Fv2-252Furl-253Fu-253Dhttp-2D3A-5F-5Fmdreams-2D2Dstage.com-2526d-253DDwIFaQ-2526c-253DgRgGjJ3BkIsb5y6s49QqsA-2526r-253Dgd8BzeSQcySVxr0gDWSEbN-2DP-2DpgDXkdyCtaMqdCgPPdW1cyL5RIpaIYrCn8C5x2A-2526m-253DReXrKueW8ZKy6ZeDrhbuU0jFxocBkwAtzvgZ8Lw2ARo-2526s-253DGqE1OMX9RmXnxHlwLxQhCFqwgZdIh5nqA-2DPoNF1J30c-2526e-26amp-3Bdata-3D02-257C01-257Crdt12-2540PSU.EDU-257C9fb96135f1114e1bf6b108d7b938cfd4-257C7cf48d453ddb4389a9c1c115526eb52e-257C0-257C0-257C637181525973769014-26amp-3Bsdata-3Df7eYknsB-252Bt8OjVK3xMccqjRNCHHl4IXLwdLiS1e9vHM-253D-26amp-3Breserved-3D0-3D&d=DwIF-g&c=gRgGjJ3BkIsb5y6s49QqsA&r=gd8BzeSQcySVxr0gDWSEbN-P-pgDXkdyCtaMqdCgPPdW1cyL5RIpaIYrCn8C5x2A&m=8TdfyJ1u8MnWKcS6ydkH1brzzoEzq1IZRhMef5YNV1I&s=94QdigvDN02IKw-od5I0IuFZZBYYFEI9pNQ5u8zTrrk&e=
https://urldefense.proofpoint.com/v2/url?u=https-3A__nam01.safelinks.protection.outlook.com_-3Furl-3Dhttps-253A-252F-252Furldefense.proofpoint.com-252Fv2-252Furl-253Fu-253Dhttp-2D3A-5F-5Fmarf.sf.net-2526d-253DDwIFaQ-2526c-253DgRgGjJ3BkIsb5y6s49QqsA-2526r-253Dgd8BzeSQcySVxr0gDWSEbN-2DP-2DpgDXkdyCtaMqdCgPPdW1cyL5RIpaIYrCn8C5x2A-2526m-253DReXrKueW8ZKy6ZeDrhbuU0jFxocBkwAtzvgZ8Lw2ARo-2526s-253DAChVu3ppzcRMQhwedztVKVDCZpdn7eviggK3B8gom7Y-2526e-26amp-3Bdata-3D02-257C01-257Crdt12-2540PSU.EDU-257C9fb96135f1114e1bf6b108d7b938cfd4-257C7cf48d453ddb4389a9c1c115526eb52e-257C0-257C0-257C637181525973769014-26amp-3Bsdata-3DUjmIivP7v0xFqNejXm3OxtfLoslgQEQ7WBC561PcMxk-253D-26amp-3Breserved-3D0-3D&d=DwIF-g&c=gRgGjJ3BkIsb5y6s49QqsA&r=gd8BzeSQcySVxr0gDWSEbN-P-pgDXkdyCtaMqdCgPPdW1cyL5RIpaIYrCn8C5x2A&m=8TdfyJ1u8MnWKcS6ydkH1brzzoEzq1IZRhMef5YNV1I&s=sZHCCLPdmrR44aL3uGjrjP-OFI4A3K3ueeogGyC62cs&e=   | https://urldefense.proofpoint.com/v2/url?u=https-3A__nam01.safelinks.protection.outlook.com_-3Furl-3Dhttps-253A-252F-252Furldefense.proofpoint.com-252Fv2-252Furl-253Fu-253Dhttp-2D3A-5F-5Fsf.net-5Fprojects-5Fmarf-2526d-253DDwIFaQ-2526c-253DgRgGjJ3BkIsb5y6s49QqsA-2526r-253Dgd8BzeSQcySVxr0gDWSEbN-2DP-2DpgDXkdyCtaMqdCgPPdW1cyL5RIpaIYrCn8C5x2A-2526m-253DReXrKueW8ZKy6ZeDrhbuU0jFxocBkwAtzvgZ8Lw2ARo-2526s-253DlBCv7stSS6iCundVO4eoQ9BsgR8UV294lSmdDozJ8Q8-2526e-26amp-3Bdata-3D02-257C01-257Crdt12-2540PSU.EDU-257C9fb96135f1114e1bf6b108d7b938cfd4-257C7cf48d453ddb4389a9c1c115526eb52e-257C0-257C0-257C637181525973779008-26amp-3Bsdata-3Dr6As6zcECCxvWBJiNTBWBhB3jN-252FQ49cHPCI4u3O9R-252B8-253D-26amp-3Breserved-3D0-3D&d=DwIF-g&c=gRgGjJ3BkIsb5y6s49QqsA&r=gd8BzeSQcySVxr0gDWSEbN-P-pgDXkdyCtaMqdCgPPdW1cyL5RIpaIYrCn8C5x2A&m=8TdfyJ1u8MnWKcS6ydkH1brzzoEzq1IZRhMef5YNV1I&s=fApZLkTeoBIxng-TxbjbW3zWef2iI1k3bMi-afkiJG0&e=

I'm curious how many levels deep the Proof Point URL Defense will recontinue to re-encode its own encoded URLs. I thought t was silly when that was added to the list infra, and this makes it even more so. URLs in messages quoted backt to the list is hardly an edge case.