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Terraform module to provision Simple Email Service on AWS.

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Usage

This module creates a SES domain with IAM user that is able to send emails with it. If module is provided with Route53 Zone ID it can also create verification DNS records for domain and DKIM.

For a complete example, see examples/complete.

For automated tests of the complete example using bats and Terratest (which tests and deploys the example on AWS), see test.

What's worth to note is that every AWS SES starts in Sandbox. Sending emails via it (emails not verified in AWS SES) is only allowed after support request.

SES availability in regions can be checked in latest AWS General Reference

Important

In Cloud Posse's examples, we avoid pinning modules to specific versions to prevent discrepancies between the documentation and the latest released versions. However, for your own projects, we strongly advise pinning each module to the exact version you're using. This practice ensures the stability of your infrastructure. Additionally, we recommend implementing a systematic approach for updating versions to avoid unexpected changes.

Makefile Targets

Available targets:

  help                                Help screen
  help/all                            Display help for all targets
  help/short                          This help short screen
  lint                                Lint terraform code

Requirements

Name Version
terraform >= 1.1.0
aws >= 2.0
awsutils >= 0.11.0

Providers

Name Version
aws >= 2.0

Modules

Name Source Version
ses_user cloudposse/iam-system-user/aws 0.23.2
this cloudposse/label/null 0.25.0

Resources

Name Type
aws_iam_group.ses_users resource
aws_iam_group_policy.ses_group_policy resource
aws_iam_user_group_membership.ses_user resource
aws_iam_user_policy.sending_emails resource
aws_route53_record.amazonses_dkim_record resource
aws_route53_record.amazonses_spf_record resource
aws_route53_record.amazonses_verification_record resource
aws_route53_record.custom_mail_from_mx resource
aws_ses_domain_dkim.ses_domain_dkim resource
aws_ses_domain_identity.ses_domain resource
aws_ses_domain_mail_from.custom_mail_from resource
aws_iam_policy_document.ses_policy data source
aws_region.current data source

Inputs

Name Description Type Default Required
additional_tag_map Additional key-value pairs to add to each map in tags_as_list_of_maps. Not added to tags or id.
This is for some rare cases where resources want additional configuration of tags
and therefore take a list of maps with tag key, value, and additional configuration.
map(string) {} no
attributes ID element. Additional attributes (e.g. workers or cluster) to add to id,
in the order they appear in the list. New attributes are appended to the
end of the list. The elements of the list are joined by the delimiter
and treated as a single ID element.
list(string) [] no
context Single object for setting entire context at once.
See description of individual variables for details.
Leave string and numeric variables as null to use default value.
Individual variable settings (non-null) override settings in context object,
except for attributes, tags, and additional_tag_map, which are merged.
any
{
"additional_tag_map": {},
"attributes": [],
"delimiter": null,
"descriptor_formats": {},
"enabled": true,
"environment": null,
"id_length_limit": null,
"label_key_case": null,
"label_order": [],
"label_value_case": null,
"labels_as_tags": [
"unset"
],
"name": null,
"namespace": null,
"regex_replace_chars": null,
"stage": null,
"tags": {},
"tenant": null
}
no
create_spf_record If provided the module will create an SPF record for domain. bool false no
custom_from_behavior_on_mx_failure The behaviour of the custom_from_subdomain when the MX record is not found. Defaults to UseDefaultValue. string "UseDefaultValue" no
custom_from_dns_record_enabled If enabled the module will create a Route53 DNS record for the From address subdomain. bool true no
custom_from_subdomain If provided the module will create a custom subdomain for the From address. list(string) [] no
delimiter Delimiter to be used between ID elements.
Defaults to - (hyphen). Set to "" to use no delimiter at all.
string null no
descriptor_formats Describe additional descriptors to be output in the descriptors output map.
Map of maps. Keys are names of descriptors. Values are maps of the form
{<br/> format = string<br/> labels = list(string)<br/>}
(Type is any so the map values can later be enhanced to provide additional options.)
format is a Terraform format string to be passed to the format() function.
labels is a list of labels, in order, to pass to format() function.
Label values will be normalized before being passed to format() so they will be
identical to how they appear in id.
Default is {} (descriptors output will be empty).
any {} no
domain The domain to create the SES identity for. string n/a yes
enabled Set to false to prevent the module from creating any resources bool null no
environment ID element. Usually used for region e.g. 'uw2', 'us-west-2', OR role 'prod', 'staging', 'dev', 'UAT' string null no
iam_access_key_max_age Maximum age of IAM access key (seconds). Defaults to 30 days. Set to 0 to disable expiration. number 2592000 no
iam_allowed_resources Specifies resource ARNs that are enabled for var.iam_permissions. Wildcards are acceptable. list(string) [] no
iam_permissions Specifies permissions for the IAM user. list(string)
[
"ses:SendRawEmail"
]
no
id_length_limit Limit id to this many characters (minimum 6).
Set to 0 for unlimited length.
Set to null for keep the existing setting, which defaults to 0.
Does not affect id_full.
number null no
label_key_case Controls the letter case of the tags keys (label names) for tags generated by this module.
Does not affect keys of tags passed in via the tags input.
Possible values: lower, title, upper.
Default value: title.
string null no
label_order The order in which the labels (ID elements) appear in the id.
Defaults to ["namespace", "environment", "stage", "name", "attributes"].
You can omit any of the 6 labels ("tenant" is the 6th), but at least one must be present.
list(string) null no
label_value_case Controls the letter case of ID elements (labels) as included in id,
set as tag values, and output by this module individually.
Does not affect values of tags passed in via the tags input.
Possible values: lower, title, upper and none (no transformation).
Set this to title and set delimiter to "" to yield Pascal Case IDs.
Default value: lower.
string null no
labels_as_tags Set of labels (ID elements) to include as tags in the tags output.
Default is to include all labels.
Tags with empty values will not be included in the tags output.
Set to [] to suppress all generated tags.
Notes:
The value of the name tag, if included, will be the id, not the name.
Unlike other null-label inputs, the initial setting of labels_as_tags cannot be
changed in later chained modules. Attempts to change it will be silently ignored.
set(string)
[
"default"
]
no
name ID element. Usually the component or solution name, e.g. 'app' or 'jenkins'.
This is the only ID element not also included as a tag.
The "name" tag is set to the full id string. There is no tag with the value of the name input.
string null no
namespace ID element. Usually an abbreviation of your organization name, e.g. 'eg' or 'cp', to help ensure generated IDs are globally unique string null no
regex_replace_chars Terraform regular expression (regex) string.
Characters matching the regex will be removed from the ID elements.
If not set, "/[^a-zA-Z0-9-]/" is used to remove all characters other than hyphens, letters and digits.
string null no
ses_group_enabled Creates a group with permission to send emails from SES domain bool true no
ses_group_name The name of the IAM group to create. If empty the module will calculate name from a context (recommended). string "" no
ses_group_path The IAM Path of the group to create string "/" no
ses_user_enabled Creates user with permission to send emails from SES domain bool true no
stage ID element. Usually used to indicate role, e.g. 'prod', 'staging', 'source', 'build', 'test', 'deploy', 'release' string null no
tags Additional tags (e.g. {'BusinessUnit': 'XYZ'}).
Neither the tag keys nor the tag values will be modified by this module.
map(string) {} no
tenant ID element _(Rarely used, not included by default)_. A customer identifier, indicating who this instance of a resource is for string null no
verify_dkim If provided the module will create Route53 DNS records used for DKIM verification. bool false no
verify_domain If provided the module will create Route53 DNS records used for domain verification. bool false no
zone_id Route53 parent zone ID. If provided (not empty), the module will create Route53 DNS records used for verification string "" no

Outputs

Name Description
access_key_id The SMTP user which is access key ID.
custom_from_domain The custom mail FROM domain
secret_access_key The IAM secret for usage with SES API. This will be written to the state file in plain text.
ses_dkim_tokens A list of DKIM Tokens which, when added to the DNS Domain as CNAME records, allows for receivers to verify that emails were indeed authorized by the domain owner.
ses_domain_identity_arn The ARN of the SES domain identity
ses_domain_identity_verification_token A code which when added to the domain as a TXT record will signal to SES that the owner of the domain has authorised SES to act on their behalf. The domain identity will be in state 'verification pending' until this is done. See below for an example of how this might be achieved when the domain is hosted in Route 53 and managed by Terraform. Find out more about verifying domains in Amazon SES in the AWS SES docs.
ses_group_name The IAM group name
ses_smtp_password The SMTP password. This will be written to the state file in plain text.
spf_record The SPF record for the domain. This is a TXT record that should be added to the domain's DNS settings to allow SES to send emails on behalf of the domain.
user_arn The ARN assigned by AWS for this user.
user_name Normalized IAM user name.
user_unique_id The unique ID assigned by AWS.

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✨ Contributing

This project is under active development, and we encourage contributions from our community.

Many thanks to our outstanding contributors:

For πŸ› bug reports & feature requests, please use the issue tracker.

In general, PRs are welcome. We follow the typical "fork-and-pull" Git workflow.

  1. Review our Code of Conduct and Contributor Guidelines.
  2. Fork the repo on GitHub
  3. Clone the project to your own machine
  4. Commit changes to your own branch
  5. Push your work back up to your fork
  6. Submit a Pull Request so that we can review your changes

NOTE: Be sure to merge the latest changes from "upstream" before making a pull request!

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License

License

Preamble to the Apache License, Version 2.0

Complete license is available in the LICENSE file.

Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License.  You may obtain a copy of the License at

  https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied.  See the License for the
specific language governing permissions and limitations
under the License.

Trademarks

All other trademarks referenced herein are the property of their respective owners.


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