Sanity check of recipient address...
<recipient address shown here>
Net::SMTP>>> Net::SMTP(3.10)
Net::SMTP>>>   Net::Cmd(3.10)
Net::SMTP>>>     Exporter(5.68)
Net::SMTP>>>   IO::Socket::IP(0.37)
Net::SMTP>>>     IO::Socket(1.36)
Net::SMTP>>>       IO::Handle(1.34)
Net::SMTP=GLOB(0x20461c8)<<< 220 <domain shown here> mail. All spam is reported. ESMTP
Net::SMTP=GLOB(0x20461c8)>>> EHLO <domain shown here>
Net::SMTP=GLOB(0x20461c8)<<< 250-<server address shown here>
Net::SMTP=GLOB(0x20461c8)<<< 250-PIPELINING
Net::SMTP=GLOB(0x20461c8)<<< 250-SIZE 26214400
Net::SMTP=GLOB(0x20461c8)<<< 250-ETRN
Net::SMTP=GLOB(0x20461c8)<<< 250-STARTTLS
Net::SMTP=GLOB(0x20461c8)<<< 250-ENHANCEDSTATUSCODES
Net::SMTP=GLOB(0x20461c8)<<< 250-8BITMIME
Net::SMTP=GLOB(0x20461c8)<<< 250 DSN
Issuing STARTTLS...
Net::SMTP=GLOB(0x20461c8)>>> STARTTLS
Net::SMTP=GLOB(0x20461c8)<<< 220 2.0.0 Ready to start TLS
Sending MAIL FROM...
Net::SMTP=GLOB(0x20461c8)>>> MAIL FROM:<sender address shown here>
Net::SMTP: Net::Cmd::getline(): unexpected EOF on command channel:  at /srv/www1-ssl/cgi-lib/sendmail.pm line 76.
Attempting RCPT TO...
Net::SMTP: Net::Cmd::_is_closed(): unexpected EOF on command channel:  at /srv/www1-ssl/cgi-lib/sendmail.pm line 78.
Net::SMTP: Net::Cmd::_is_closed(): unexpected EOF on command channel:  at /srv/www1-ssl/cgi-lib/sendmail.pm line 78.
Net::SMTP: Net::Cmd::_is_closed(): unexpected EOF on command channel:  at /srv/www1-ssl/cgi-lib/sendmail.pm line 102.
Net::SMTP: Net::Cmd::_is_closed(): unexpected EOF on command channel:  at /srv/www1-ssl/cgi-lib/sendmail.pm line 102.
The transaction failed: Connection refused
Transmission failure