Undeliveries report

Description

Undeliveries report displays information about number of Email, SMS, Push, Telegram Bot, Viber, WhatsApp* messages that could not reach subscribers.

Most recent undelivery reasons are:

Channel	Reasons
Email	Maximum number of attempts to send message has been reached Message has not been sent until end of its lifetime (24 hours) Message has been removed from messages queue by user Message has been sent to mailbox which does not exists
SMS	Study your provider's documentation
Push	Invalid push token in a resource subscription
Telegram Bot	Invalid chat_id.
Viber	Study your provider's documentation (the reasons may vary)
WhatsApp*	Study your provider's documentation (the reasons may vary)
Notify	Study your provider's documentation (the reasons may vary)

In some cases it's impossible to determine a reason of undelivery. These messages delivery error marked as "undefined".

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The Altcraft platform allows an inaccuracy of 0.02% when generating reports.

Report settings

At the top of the page, select the period for the report.

You can group information by one or all mailings, also you can use grouping by from domain or by IP address which was used for sending.

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You can download the resulting report in MS Excel and CSV format by clicking the Export report button.

Table

The following information is displayed in the table:

• Group by — selected mailing (or "all mailings");
• To domain — receiving email domain;
• Bounce text — message from email provider about temporary unavailability of the recipient mailbox;
• Amount — number of replies.

To view the full error text, hover over the bounce message. Common delivery errors and their descriptions are listed in the table below:

Bounce text	Description
500 dial tcp <IP4:PORT>-><IP4:PORT>: i/o timeout	Network issue, failed to connect to the receiving server.
500 lookup <DOMAIN> on <IP4:PORT>: no such host for domain:<DOMAIN>	The domain does not exist.
540 <<EMAIL>>: recipient address rejected: Inactive	The recipient address exists, but it has been deactivated (e.g., disabled or temporarily suspended). This address may be reactivated later.
550 relay not permitted	Incorrect forwarding configuration on the recipient's mailbox.
550 No such user!	The email address does not exist on the server (either the account was deleted or never existed).
550 Unrouteable address	Unroutable address (e.g., if the recipient’s domain lacks A/PTR records).
550 Message was not accepted -- invalid mailbox. Local mailbox <EMAIL> is unavailable: user is terminated	The user's mailbox has been deleted.
550 Message was not accepted -- invalid mailbox. Local mailbox <EMAIL> is unavailable: account is disabled	The user's mailbox is disabled.
552 5.2.2 <<EMAIL>>: user is over quota	The recipient's mailbox is full.

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*The Meta organization, which owns Instagram, Facebook and WhatsApp products, has been declared as extremist and banned in Russia.