Problem with a lot of RELAYLOCK in maillog

[MARKSALU]

Hello, i am new in this forum, i am very thankfull if anybody can help me.

I am viewing my maillog and i have a big lot of lines as this, from around 2 weeks :

Dec 6 14:35:14 lhostma relaylock: /var/qmail/bin/relaylock: mail from 223.228.64.191:59469 (not defined)
Dec 6 14:36:05 lhostma relaylock: /var/qmail/bin/relaylock: mail from 114.47.66.127:2557 (114-47-66-127.dynamic.hinet.net)
Dec 6 14:36:18 lhostma relaylock: /var/qmail/bin/relaylock: mail from 58.99.12.25:4641 (25-12-99-58-t-tdtv.tinp.net.tw)
Dec 6 14:36:35 lhostma relaylock: /var/qmail/bin/relaylock: mail from 94.30.199.10:3633 (not defined)
Dec 6 14:36:55 lhostma relaylock: /var/qmail/bin/relaylock: mail from 71.71.226.176:51791 (cpe-071-071-226-176.carolina.res.rr.com)
Dec 6 14:37:22 lhostma relaylock: /var/qmail/bin/relaylock: mail from 174.98.138.55:56378 (cpe-174-098-138-055.triad.res.rr.com)
Dec 6 14:37:25 lhostma relaylock: /var/qmail/bin/relaylock: mail from 184.74.82.142:53658 (rrcs-184-74-82-142.nys.biz.rr.com)
Dec 6 14:38:27 lhostma relaylock: /var/qmail/bin/relaylock: mail from 76.116.164.253:60854 (c-76-116-164-253.hsd1.pa.comcast.net)
Dec 6 14:38:50 lhostma relaylock: /var/qmail/bin/relaylock: mail from 184.74.82.142:54558 (rrcs-184-74-82-142.nys.biz.rr.com)
Dec 6 14:39:24 lhostma relaylock: /var/qmail/bin/relaylock: mail from 71.232.144.19:59733 (c-71-232-144-19.hsd1.nh.comcast.net)
Dec 6 14:39:57 lhostma relaylock: /var/qmail/bin/relaylock: mail from 98.208.246.178:64214 (c-98-208-246-178.hsd1.fl.comcast.net)

I think all is spam, can any help or orient me to stop this.

Regards!

 

[Anastasis]

Could this be all spf lookup related? Try turning it off or just reporting rather than blocking..