Update Address List

Modify the display name or description of an existing address list. Accepts exactly one address (passing multiple semicolon-separated addresses returns 40511). If the target list does not exist the request still succeeds with count=0 (idempotent, no error).

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Form Data
string
required
length between 1 and 64

Address of the address list to update (unique identifier, cannot be modified). Single value only; multiple addresses return 40511.

string
length ≤ 64

New address (optional, leave empty to keep the original). At most 64 characters (40504); blank-but-present returns 40509; an existing alias returns 40505. Only length is enforced — email format is not re-validated here.

string
length ≤ 48

New display name (optional, leave empty to keep the original). At most 48 characters (40502).

string
length ≤ 250

New description (optional, leave empty to keep the original; pass empty string to clear). At most 250 characters (40507).

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