MailSend

Send an automated email from a workflow

yaml
type: "io.kestra.plugin.notifications.mail.MailSend"

Send an email on a failed flow execution

yaml

id: unreliable_flow
namespace: company.team

tasks:
  - id: fail
    type: io.kestra.plugin.scripts.shell.Commands
    runner: PROCESS
    commands:
      - exit 1

errors:
  - id: send_email
    type: io.kestra.plugin.notifications.mail.MailSend
    from: [email protected]
    to: [email protected]
    username: "{{ secret('EMAIL_USERNAME') }}"
    password: "{{ secret('EMAIL_PASSWORD') }}"
    host: mail.privateemail.com
    port: 465 # or 587
    subject: "Kestra workflow failed for the flow {{flow.id}} in the namespace {{flow.namespace}}"
    htmlTextContent: "Failure alert for flow {{ flow.namespace }}.{{ flow.id }} with ID {{ execution.id }}"

SubType

Dynamic YES

Adds an attachment to the email message

The attachment will be shown in the email client as separate files available for download, or displayed inline if the client supports it (for example, most browsers display PDF's in a popup window)

Dynamic YES

One or more 'Cc' (carbon copy) optional recipient email address. Use semicolon as delimiter to provide several addresses

Note that each email address must be compliant with the RFC2822 format

SubType

Dynamic YES

Adds image data to this email that can be referred to from the email HTML body

The provided images are assumed to be of MIME type png, jpg or whatever the email client supports as valid image that can be embedded in HTML content

Dynamic YES

The address of the sender of this email

Dynamic YES

The email server host

Dynamic YES

The optional email message body in HTML text

Both text and HTML can be provided, which will be offered to the email client as alternative contentEmail clients that support it, will favor HTML over plain text and ignore the text body completely

Dynamic YES

The email server password

Dynamic YES

The optional email message body in plain text

Both text and HTML can be provided, which will be offered to the email client as alternative contentEmail clients that support it, will favor HTML over plain text and ignore the text body completely

Dynamic YES

Default 10000

Dynamic YES

The optional subject of this email

Dynamic YES

Email address(es) of the recipient(s). Use semicolon as delimiter to provide several email addresses

Note that each email address must be compliant with the RFC2822 format

Dynamic YES

Default SMTPS

Possible Values

SMTPSMTPSSMTP_TLSSMTP_OAUTH2

The optional transport strategy

Will default to SMTPS if left empty

Dynamic YES

The email server username

Dynamic YES

Default application/octet-stream

One or more 'Cc' (carbon copy) optional recipient email address(es). Use semicolon as a delimiter to provide several addresses

Note that each email address must be compliant with the RFC2822 format

Dynamic YES

The name of the attachment (eg. 'filename.txt')

Dynamic YES

An attachment URI from Kestra internal storage

​Mail​Send

MailSend