[SMTP ERROR] SPF check for [xxx.com] does not pass with ip
에러 Dec 19 14:05:34 mail postfix/smtp[27xxx]: 16437C31F3: to=, relay=gmail-smtp-in.l.google.com[7x.1xx.2xx.2x]:25, delay=1.5, delays=0.07/0/0.69/0.77, dsn=5.x.26, status=bounced (host gmail-smtp-in.l.google.com[7x.1xx.2xx.2x] said: 55x-x.x.26 This message does not pass authentication checks (SPF and DKIM both 550-5.7.26 do not pass). SPF check for [mycompany.com] does not pass with ip: 550-5.7.26..