Arc-authentication-results: i=1; mx.google.com; dkim=pass header.i=@etc-to.20150623.gappssmtp.com; spf=pass (google.com: best guess record for domain of pgsql-performance-owner+m55130=spinic=gmail.com@xxxxxxxxxxxxxx designates 2a02:16a8:dc51::56 as permitted sender) smtp.mailfrom=pgsql-performance-owner+M55130=spinic=gmail.com@xxxxxxxxxxxxxx
That was all already done, as it is common practice for JDBC. Your parameter was added to the code that already did all that - and worked brilliantly there ;)
