A.cross mail

You're referring to a "cross-mail" or "cross-posting"!

Cross-mailing, also known as cross-posting, is a technique used in email marketing where a single email campaign is sent to multiple email lists or groups at the same time. This allows you to reach a broader audience and increase the visibility of your message.

Here are some benefits of cross-mailing:

1. Increased reach: By sending the same email to multiple lists, you can reach a larger audience and potentially drive more conversions.
2. Efficiency: Cross-mailing saves time and effort compared to creating separate campaigns for each list.
3. Consistency: You can maintain a consistent brand voice and messaging across all lists.

However, it's essential to consider the following best practices when cross-mailing:

1. Segmentation: Make sure you're not sending the same email to multiple lists that have overlapping interests or demographics.
2. Relevance: Ensure the email content is relevant to each list, even if it's not tailored to a specific segment.
3. Unsubscribe management: Be prepared to handle unsubscribe requests from recipients who may not have opted-in to receive emails from all the lists.
4. List hygiene: Regularly clean and maintain your email lists to prevent spam complaints and improve deliverability.

When to use cross-mailing:

1. Promotional campaigns: Cross-mailing is suitable for promotional campaigns, such as sales, discounts, or new product launches.
2. Newsletters: You can use cross-mailing for newsletters that are relevant to multiple lists.
3. Announcements: Cross-mailing is a good option for announcing company news, updates, or changes.

Remember to always follow email marketing best practices and comply with anti-spam laws, such as the CAN-SPAM Act in the United States.