I can see google accepting the emails, have him check his spam boxes.
Code:
Apr 24 05:10:25 toastmastersclubs sendmail[18314]: 23O5AIQO018227: to= , ctladdr= (501/502), delay=00:00:01, xdelay=00:00:01, mailer=esmtp, pri=300728, relay=gmail-smtp-in.l.google.com. [172.253.115.26], dsn=2.0.0, stat=Sent (OK 1650777025 r15-20020a05620a298f00b0067e72d6bf38si3695878qkp.720 - gsmtp)
Apr 22 03:05:14 toastmastersclubs sendmail[21521]: 23M3579V021425: to= , ctladdr= (501/502), delay=00:00:00, xdelay=00:00:00, mailer=esmtp, pri=125490, relay=gmail-smtp-in.l.google.com. [172.253.122.27], dsn=2.0.0, stat=Sent (OK 1650596713 z17-20020ac87f91000000b002f1eb087b73si1833375qtj.360 - gsmtp)
Apr 23 15:30:13 toastmastersclubs sendmail[3762]: 23NFU7vm003679: to= , ctladdr= (501/502), delay=00:00:00, xdelay=00:00:00, mailer=esmtp, pri=300864, relay=gmail-smtp-in.l.google.com. [142.251.16.26], dsn=2.0.0, stat=Sent (OK 1650727813 i6-20020a05620a404600b0069c3f4bcb58si1928376qko.179 - gsmtp)