  getReturnAddressWithDisplayName(identityId) {
    check(identityId, String);
    const identity = this.getIdentity(identityId);
    const displayName = identity.profile.name + " (via " + this.getServerTitle() + ")";

    // First remove any instances of characters that cause trouble for SimpleSmtp. Ideally,
    // we could escape such characters with a backslash, but that does not seem to help here.
    const sanitized = displayName.replace(/"|<|>|\\|\r/g, "");

    return "\"" + sanitized + "\" <" + this.getReturnAddress() + ">";
  },
When an actor claims to have a given identity, the software does not prove or insufficiently proves that the claim is correct.