<ul data-editing-info="{"applyListStyleFromLevel":false,"unorderedStyleType":4}" style="margin-top: 0px; margin-bottom: 0px;"><li style="font-family: "Courier New", monospace; font-size: 12pt; color: rgb(0, 0, 0); list-style-type: "➢ ";"><div class="elementToProof" role="presentation">web1p1:::::::userdb_quota_storage_size=1200M</div></li></ul><div class="elementToProof" style="font-family: "Courier New", monospace; font-size: 12pt; color: rgb(0, 0, 0);"><br></div><div class="elementToProof" style="font-family: "Courier New", monospace; font-size: 12pt; color: rgb(0, 0, 0);">You need to specify the scope it applies to via the full path including slashes. In this case the setting is within "quota user" named filter, so it would look like quota/user/storage_size if you wanted to override it via userdb return:</div><div class="elementToProof" style="font-family: "Courier New", monospace; font-size: 12pt; color: rgb(0, 0, 0);"><br></div><ul data-editing-info="{"applyListStyleFromLevel":false,"unorderedStyleType":4}" style="margin-top: 0px; margin-bottom: 0px;"><li style="font-family: "Courier New", monospace; font-size: 12pt; color: rgb(0, 0, 0); list-style-type: "➢ ";"><div class="elementToProof" role="presentation" style="color: rgb(0, 0, 0);">web1p1:::::::quota/user/storage_size=1200M</div></li></ul><div class="elementToProof" style="font-family: "Courier New", monospace; font-size: 12pt; color: rgb(0, 0, 0);"><br></div><div class="elementToProof" style="font-family: "Courier New", monospace; font-size: 12pt; color: rgb(0, 0, 0);">Strange I know, but that seems to be how it works now. Took me an unreasonable amount of time to figure that one out. The documentation is here:</div><div class="elementToProof" style="font-family: "Courier New", monospace; font-size: 12pt; color: rgb(0, 0, 0);"><a href="https://doc.dovecot.org/2.4.1/core/settings/syntax.html#named-filter-overrides">https://doc.dovecot.org/2.4.1/core/settings/syntax.html#named-filter-overrides</a></div><div class="elementToProof" style="font-family: "Courier New", monospace; font-size: 12pt; color: rgb(0, 0, 0);"><br></div><div class="elementToProof" style="font-family: "Courier New", monospace; font-size: 12pt; color: rgb(0, 0, 0);">That said it isn't immediately obvious that user/passdb override is implemented in the same way CLI overrides are just by a read of that, but eventually I figured it out via trial and error.</div>