there is not, nor has there ever been, a Jana11@mydomain.tld. and 106.198.180.186 traces to the other side of the planet from me.
Dec 12 06:28:04 lamp1 postfix/smtpd[25767]: connect from unknown[106.198.180.186]
Dec 12 06:28:04 lamp1 postfix/policy-spf[28984]: Policy action=PREPEND Received-SPF: neutral (mydomain.tld: Domain does not state whether sender is authorized to use ‘Jana11@mydomain.tld’ in ‘mfrom’ identity (mechanism ‘?all’ matched)) receiver=lamp1.antiochtechnologies.com; identity=mailfrom; envelope-from=“Jana11@mydomain.tld”; helo="[106.198.180.186]"; client-ip=106.198.180.186
Dec 12 06:28:04 lamp1 postfix/smtpd[25767]: DEA24B81FE1: client=unknown[106.198.180.186]
Dec 12 06:28:05 lamp1 postfix/cleanup[28805]: DEA24B81FE1: message-id=5f0c4d1502c21373169c380ddd783b2@mydomain.tld
Dec 12 06:28:06 lamp1 postfix/qmgr[12848]: DEA24B81FE1: from=Jana11@mydomain.tld, size=14338, nrcpt=1 (queue active)
Dec 12 06:28:06 lamp1 clamsmtpd: 100705: accepted connection from: 127.0.0.1
Dec 12 06:28:06 lamp1 postfix/smtpd[27817]: connect from localhost[127.0.0.1]
Dec 12 06:28:06 lamp1 postfix/smtpd[27817]: 575CDB82B42: client=localhost[127.0.0.1], orig_queue_id=DEA24B81FE1, orig_client=unknown[106.198.180.186]
Dec 12 06:28:06 lamp1 postfix/cleanup[27814]: 575CDB82B42: message-id=5f0c4d1502c21373169c380ddd783b2@mydomain.tld
Dec 12 06:28:06 lamp1 clamsmtpd: 100705: from=Jana11@mydomain.tld, to=ap@mydomain.tld, status=CLEAN
Dec 12 06:28:06 lamp1 postfix/qmgr[12848]: 575CDB82B42: from=Jana11@mydomain.tld, size=14583, nrcpt=1 (queue active)
Dec 12 06:28:06 lamp1 postfix/smtp[27815]: DEA24B81FE1: to=ap@mydomain.tld, relay=127.0.0.1[127.0.0.1]:10026, delay=1.6, delays=1.4/0/0.04/0.12, dsn=2.0.0, status=sent (250 2.0.0 Ok: queued as 575CDB82B42)
Dec 12 06:28:06 lamp1 postfix/smtpd[27817]: disconnect from localhost[127.0.0.1] ehlo=1 xforward=2 mail=1 rcpt=1 data=1 quit=1 commands=7
Dec 12 06:28:06 lamp1 postfix/qmgr[12848]: DEA24B81FE1: removed
Dec 12 06:28:06 lamp1 postfix/smtpd[25767]: disconnect from unknown[106.198.180.186] ehlo=1 mail=1 rcpt=1 data=1 quit=1 commands=5
Dec 12 06:28:07 lamp1 spamd[18471]: spamd: connection from localhost [::1]:46968 to port 783, fd 5
Dec 12 06:28:07 lamp1 spamd[18471]: spamd: setuid to ap@mydomain.tld succeeded
Dec 12 06:28:07 lamp1 spamd[18471]: spamd: processing message 5f0c4d1502c21373169c380ddd783b2@mydomain.tld for ap@mydomain.tld:1029
Dec 12 06:28:07 lamp1 spamd[18471]: spamd: identified spam (8.9/5.0) for ap@mydomain.tld:1029 in 0.2 seconds, 14518 bytes.
Dec 12 06:28:07 lamp1 spamd[18471]: spamd: result: Y 8 - DOS_OUTLOOK_TO_MX,HELO_MISC_IP,HTML_MESSAGE,MIME_HTML_MOSTLY,RCVD_IN_BL_SPAMCOP_NET,RCVD_IN_PBL,RCVD_IN_XBL,RDNS_NONE,SPF_NEUTRAL,TVD_SPACE_RATIO scantime=0.2,size=14518,user=ap@mydomain.tld,uid=1029,required_score=5.0,rhost=localhost,raddr=::1,rport=46968,mid=5f0c4d1502c21373169c380ddd783b2@mydomain.tld,autolearn=no autolearn_force=no
Dec 12 06:28:07 lamp1 spamd[6781]: prefork: child states: II
Dec 12 06:28:07 lamp1 postfix/local[27819]: 575CDB82B42: to=ap-mydomain.tld@antiochtechnologies.com, orig_to=ap@mydomain.tld, relay=local, delay=1.4, delays=0.12/0/0/1.3, dsn=2.0.0, status=sent (delivered to command: /usr/bin/procmail-wrapper -o -a $DOMAIN -d $LOGNAME)
Dec 12 06:28:07 lamp1 postfix/qmgr[12848]: 575CDB82B42: removed
from main.cf
smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination
smtpd_recipient_restrictions = permit_mynetworks permit_sasl_authenticated reject_unauth_destination check_policy_service unix:private/policy-spf