It seems mails sent to me are being queued. log below smtp-deb6 postgrey[6888]: action=pass, reason=client whitelist, client_name=mail-it0-f43.google, client_address=209.85.214.43, [email protected], [email protected] Oct 20 08:24:58 smtp-deb6 postfix/qmgr[12890]: 616921994CF3: from=<[email protected]>, size=438926, nrcpt=1 (queue active) This has been going on for a couple of weeks now. queued mails are piling up.