Largest volume
(deliveries per day, flat monthly average)

735,493

JISCMAIL.AC.UK

• 2.3GHz Xeon E5-2673 v4 HT 256k (8192M)
• Windows Server 2019 Standard x64 Edition
• Postfix

Largest number of subscribers
(all lists on this server)

5,073,300

LISTES.ULAVAL.CA

• 2-CPU 2.5GHz Xeon (3840M)
• Linux 3.10.0-1160.15.2.el7.x86_64
• sendmail 8.14.7/8.13.8

Largest number of lists

31,384

LISTES.ULAVAL.CA

• 2-CPU 2.5GHz Xeon (3840M)
• Linux 3.10.0-1160.15.2.el7.x86_64
• sendmail 8.14.7/8.13.8

Largest mailing list
(number of subscribers)

54,050

AMIS-CNRS-INTERNATIONAL-L@IN2P3.FR

• 4-CPU 2.6GHz Common KVM processor (1856M)
• Linux 3.10.0-1160.21.1.el7.x86_64
• sendmail 8.14.7/8.14.7