both agenda and non-agenda email is being delivered to your mac.com email address you need to check your spam box.
Aug 11 01:15:50 toastmastersclubs sendmail[25985]: s7B1Fnx2025982: to=<sebalyn@mac.com>, ctladdr=
(501/502), delay=00:00:01, xdelay=00:00:01, mailer=esmtp, pri=130816, relay=mx4.mail.icloud.com. [17.172.34.67], dsn=2.0.0, stat=Sent (Ok, envelope id 0NA4004G8BIDMFB0@st11p00mm-smtpin015.mac.com)
Aug 11 21:09:24 toastmastersclubs sendmail[4601]: s7BL9M6u004580: to=<sebalyn@mac.com>, ctladdr= (501/502), delay=00:00:02, xdelay=00:00:02, mailer=esmtp, pri=122066, relay=mx5.mail.icloud.com. [17.158.8.111], dsn=2.0.0, stat=Sent (Ok, envelope id 0NA5000BAURNRUO0@nk11p00mm-smtpin012.mac.com)
Aug 12 01:53:01 toastmastersclubs sendmail[21949]: s7C1qvUe021943: to=<sebalyn@mac.com>, ctladdr= (501/502), delay=00:00:04, xdelay=00:00:03, mailer=esmtp, pri=122369, relay=mx2.mail.icloud.com. [17.172.34.11], dsn=2.0.0, stat=Sent (Ok, envelope id 0NA6005N47WAOLL0@st11p00mm-smtpin016.mac.com)
Aug 12 06:23:07 toastmastersclubs sendmail[25055]: s7C6N6W7025051: to=<sebalyn@mac.com>, ctladdr= (501/502), delay=00:00:01, xdelay=00:00:01, mailer=esmtp, pri=122278, relay=mx2.mail.icloud.com. [17.172.34.12], dsn=2.0.0, stat=Sent (Ok, envelope id 0NA600HN7KEI6AG0@st11p00mm-smtpin010.mac.com)
Aug 12 08:15:16 toastmastersclubs sendmail[16797]: s7C8FDTa016792: to=<sebalyn@mac.com>, ctladdr= (501/502), delay=00:00:03, xdelay=00:00:03, mailer=esmtp, pri=140595, relay=mx4.mail.icloud.com. [17.158.8.62], dsn=2.0.0, stat=Sent (Ok, envelope id 0NA600EJFPLEP870@nk11p00mm-smtpin006.mac.com)