+ case PTK_SENDER:
+ query->sender = v;
+ v[vlen] = '\0';
+ query->sender_domain = memchr(query->sender, '@', vlen);
+ if (query->sender_domain != NULL) {
+ ++query->sender_domain;
+ }
+ break;
+
+ case PTK_RECIPIENT:
+ query->recipient = v;
+ v[vlen] = '\0';
+ query->recipient_domain = memchr(query->recipient, '@', vlen);
+ if (query->recipient_domain != NULL) {
+ ++query->recipient_domain;
+ }
+ break;
+