LOG: MAIN Unfrozen by forced delivery T: remote_smtp for logcheck@hairtilizer.com Connecting to gmail-smtp.l.google.com [72.14.205.109]:25 ... connected SMTP<< 220 mx.google.com ESMTP q13sm1412626qbq SMTP>> EHLO list.hairtilizer.com SMTP<< 250-mx.google.com at your service, [64.13.43.143] 250-SIZE 20971520 250-8BITMIME 250-STARTTLS 250 ENHANCEDSTATUSCODES SMTP>> STARTTLS SMTP<< 220 2.0.0 Ready to start TLS SMTP>> EHLO list.hairtilizer.com SMTP<< 250-mx.google.com at your service, [64.13.43.143] 250-SIZE 20971520 250-8BITMIME 250-AUTH LOGIN PLAIN 250 ENHANCEDSTATUSCODES SMTP>> MAIL FROM:<> SIZE=2833 SMTP<< 530 5.5.1 Authentication Required q13sm1412626qbq SMTP>> QUIT LOG: MAIN ** logcheck@hairtilizer.com R=smart_route T=remote_smtp: SMTP error from remote mail server after MAIL FROM:<> SIZE=2833: host gmail-smtp.l.google.com [72.14.205.109]: 530 5.5.1 Authentication Required q13sm1412626qbq LOG: MAIN Frozen (delivery error message)