The interface is divided into several parts with a corresponding link at the top of the page. These links include:

Grand total summary — Statistics regarding the total number of messages sent to and from your server, including all accounts hosted by your server. The information is divided into 6 columns.

• TOTAL — Displays whether the data corresponds to received or delivered mail.
• Volume — The total size of the messages.
• Messages — The total number of messages.
• Addresses — The total number of addresses receiving or sending mail.
  • Note: Due to an error in the eximstats process, this data may be faulty.
• Hosts — The number of unique domains mail is coming from or going to.
• At least one addr Delayed — The number of messages with at least one recipient whose mail server delayed the message.
• At least one addr Failed — The number of messages with at least one recipient whose mail server rejected the message.

Deliveries by Transport — Statistics regarding the mail delivered by your mail transfer agent (MTA), divided into 3 groups:

• local_delivery — Pertains to messages delivered from one user on your server to another.
• remote_smtp — Pertains to messages delivered from a user on your server to a user on another server.
• virtual_userdelivery — Pertains to messages forwarded from a virtual user on your server to a real user. This would occur if you have set up a mail forwarder.

For each of these 3 types of sent mail, 2 categories are displayed:

• Volume — The total size of delivered messages.
• Messages — The total number of delivered messages.

Messages received per hour — The number of messages your server has received per hour over the last day. The hours are marked in a 24-hour clock cycle. The time starts at 00 (midnight). The volume of messages is marked numerically in the table on the left and graphically on the right. This is useful for determining the times when your traffic is highest.

Deliveries per hour — The number of messages your server has delivered per hour over the last day. The hours are marked in a 24-hour clock cycle. The time starts at 00 (midnight). The number of messages is marked numerically in the table on the left and graphically on the right. This is useful for determining the times when your queue is busiest.

Time spent on the queue: all messages — These statistics regard how much time messages remained in your incoming and outgoing mail queues before they were delivered. The information is divided into 4 columns.

• Time — The amount of time the message(s) have spent waiting to be delivered.
  • Under 1m represents messages that were delivered in under a minute.
  • 1h represents messages that were delivered in over a minute but under an hour.
  • 1d represents messages that were delivered in over an hour but under 24 hours.
  • Over 1d represents messages that were delivered after 24 hours.
• Messages — The number of messages delivered.
• Percentage — The percentage of messages that were delivered in the corresponding amount of time.
• Cumulative Percentage — The percentage of messages that were delivered in the corresponding amount of time, or less.

Time spent on the queue: messages with at least one remote delivery — These statistics regard how much time messages going to remote addresses remained in your outgoing mail queue before they were delivered. The information is divided into 4 columns.

• Time — The amount of time the message(s) have spent waiting to be delivered.
  • Under 1m represents messages that were delivered in under a minute.
  • 1h represents messages that were delivered in over a minute but under an hour.
  • 1d represents messages that were delivered in over an hour but under 24 hours.
  • Over 1d represents messages that were delivered after 24 hours.
• Messages — The number of messages delivered.
• Percentage — The percentage of messages that were delivered in the corresponding amount of time.
• Cumulative Percentage — The percentage of messages that were delivered in the corresponding amount of time, or less.

Relayed messages — Statistics regarding mail sent from your server, on behalf of a remote user. Since allowing your server to operate as an open relay is a security risk, this field should display “No relayed messages.”

Top 50 mail rejection reason by message count — Displays the top 50 reasons email messages are rejected by your server.

Top 50 sending hosts by message count — Displays the 50 domains (hosts) that send the most messages to or from your server. The “local” host or domain represents all mail sent from your server; the rest of the sending hosts are remote domains sending incoming mail to your server.

The information is displayed across 4 columns:

• Messages — The total number of messages sent by the domain.
• Bytes — The total amount of data sent by the domain.
• Average — The average message size sent by the domain.
• Sending host — The name of the host sending messages. (Example: mail.example.com)
  • local represents destinations on your server.

Top 50 sending hosts by volume — Displays the 50 domains (hosts) that send the most data to or from your server. The “local” host or domain represents all mail sent from your server; the rest of the sending hosts are remote domains sending incoming mail to your server.

The information is displayed across 4 columns:

• Messages — The total number of messages sent by the domain.
• Bytes — The total amount of data sent by the domain.
• Average — The average message size sent by the domain.
• Sending host — The name of the host sending messages. (Example: mail.example.com)
  • local represents destinations on your server.

Top 50 local senders by message count — Displays the 50 accounts, hosted by your server, who send the most messages. This statistic regards only outgoing mail. The information is displayed across 4 columns:

• Messages — The total number of messages sent by the account.
• Bytes — The total amount of data sent by the account.
• Average — The average message size sent by the account.
• Sending host — The name of the account sending messages. (Example: user)
  • The user root represents the server’s root mail account ( root@host.example.com).
  • The user mailnull represents system-generated messages such as failure notices.

Top 50 local senders by volume — Displays the 50 accounts, hosted by your server, who send the highest amount of outgoing data. This statistic regards only outgoing mail. The information is displayed across 4 columns:

• Messages — The total number of messages sent by the account.
• Bytes — The total amount of data sent by the account.
• Average — The average message size sent by the account.
• Sending host — The name of the account sending messages. (Example: mail.example.com)
  • The user root represents the server’s root mail account (=root@host.example.com).
  • The user mailnull represents system-generated messages such as failure notices.

Top 50 host destinations by message count — Displays the 50 domains who receive the most messages from your server. The information is displayed across 4 columns:

• Messages — The total number of messages sent from your server.
• Addresses — The total number of addresses that received email from your server.
  • Note: Due to an error in the eximstats process, this data may be faulty.
• Bytes — The total amount of data sent from your server.
• Average — The average message size sent from your server.
• Host Destination — The name of the domain receiving messages. (Example: mail.example.com)
  • local represents destinations on your server.

Top 50 host destinations by volume — Displays the 50 domains who receive the most data from your server via email messages. The information is displayed across 4 columns:

• Messages — The total number of messages sent from your server.
• Addresses — The total number of addresses that received email from your server.
  • Note: Due to an error in the eximstats process, this data may be faulty.
• Bytes — The total amount of data sent from your server.
• Average — The average message size sent from your server.
• Host Destination — The name of the host receiving messages. (Example: mail.example.com)
  • local represents destinations on your server.

Top 50 local destinations by message count — Displays the 50 addresses, hosted on your server, that receive the most email messages. This statistic regards only incoming mail. The information is displayed across 4 columns:

• Messages — The total number of messages sent to the local address.
• Addresses — The total number of addresses that sent email to the local address.
  • Note: Due to an error in the eximstats process, this data may be faulty.
• Bytes — The total amount of data sent to the local address.
• Average — The average message size sent to the local address.
• Host Destination — The username of the local address receiving messages. (Example: User)

Top 50 local destinations by volume — Displays the 50 addresses, hosted on your server, that receive the most data via email. This statistic regards only incoming mail. The information is displayed across 4 columns:

• Messages — The total number of messages sent to the local address.
• Addresses — The total number of addresses that sent email to the local address.
  • Note: Due to an error in the eximstats process, this data may be faulty.
• Bytes — The total amount of data sent to the local address.
• Average — The average message size sent to the local address.
• Host Destination — The username of the local address receiving messages. (Example: User)

Top 50 rejected ips by message count — Displays the 50 IP addresses who have sent the most rejected email messages to your server.

List of errors — A list of errors encountered by your mail server, along with the total number of errors.