Email Deliverability How to Send a Test Email in a Conversation Create a test contact, send a test email, configure your sender address, and troubleshoot…
4 min read839 words7 explained imagesUpdated Wed, 1 Jul at 5:40 AM
Assistants need to reach this page over the internet. While it is only running on your machine, these two buttons will not be able to load it.
Each image has a one line explanation. Switch to full detail for the step it belongs to, the fields and buttons involved, examples and the whole procedure.
Create a test contact, send a test email, configure your sender address, and troubleshoot delivery issues.
Overview
This guide walks through creating a test contact, sending a test email, configuring your sender address for Mailgun or SMTP, and troubleshooting delivery if the email doesn't arrive or replies don't come back.
From agency view, click Click here to switch in the top left.
Step 2
Click the sub-account you want to test in.
Step 3
Click Contacts.
Creating a Test Contact (image 1 of 7)What this shows Email Deliverability How to Send a Test Email in a Conversation Create a test contact, send a test email, configure your sender address…What this showsIllustrates the "Creating a Test Contact" section of "How to send a test email in the Conversation".This animation appears in the "Creating a Test Contact" section of "How to send a test email in the Conversation". For context, this section explains: Email Deliverability How to Send a Test Email in a Conversation Create a test contact, send a test email, configure your sender address, and troubleshoot delivery issues. Overview This guide walks through creating a test contact, sending a test email, configuring your sender address for Mailgun or…. This part of the guide covers 3 fields, listed below.Image 1 of 7
Fields in this part of the guideSetting up an alias for Google SMTPSetting up an alias for Zoho SMTPVerifying sender email with SendGrid
Buttons and menus referencedClick here to switchContactsAdd ContactFirst nameemailSaveSend EmailSub-account Settings → Email Services
All 3 steps in this procedure
Setting up an alias for Google SMTP
Setting up an alias for Zoho SMTP
Verifying sender email with SendGrid
Step 4
Click Add Contact.
Creating a Test Contact (image 2 of 7)What this shows Email Deliverability How to Send a Test Email in a Conversation Create a test contact, send a test email, configure your sender address…What this showsIllustrates the "Creating a Test Contact" section of "How to send a test email in the Conversation".This screenshot appears in the "Creating a Test Contact" section of "How to send a test email in the Conversation". For context, this section explains: Email Deliverability How to Send a Test Email in a Conversation Create a test contact, send a test email, configure your sender address, and troubleshoot delivery issues. Overview This guide walks through creating a test contact, sending a test email, configuring your sender address for Mailgun or…. This part of the guide covers 3 fields, listed below.Image 2 of 7
Fields in this part of the guideSetting up an alias for Google SMTPSetting up an alias for Zoho SMTPVerifying sender email with SendGrid
Buttons and menus referencedClick here to switchContactsAdd ContactFirst nameemailSaveSend EmailSub-account Settings → Email Services
All 3 steps in this procedure
Setting up an alias for Google SMTP
Setting up an alias for Zoho SMTP
Verifying sender email with SendGrid
Step 5
Fill out the First name and email, then click Save.
Creating a Test Contact (image 3 of 7)What this shows Email Deliverability How to Send a Test Email in a Conversation Create a test contact, send a test email, configure your sender address…What this showsIllustrates the "Creating a Test Contact" section of "How to send a test email in the Conversation".This screenshot appears in the "Creating a Test Contact" section of "How to send a test email in the Conversation". For context, this section explains: Email Deliverability How to Send a Test Email in a Conversation Create a test contact, send a test email, configure your sender address, and troubleshoot delivery issues. Overview This guide walks through creating a test contact, sending a test email, configuring your sender address for Mailgun or…. This part of the guide covers 3 fields, listed below.Image 3 of 7
Fields in this part of the guideSetting up an alias for Google SMTPSetting up an alias for Zoho SMTPVerifying sender email with SendGrid
Buttons and menus referencedClick here to switchContactsAdd ContactFirst nameemailSaveSend EmailSub-account Settings → Email Services
All 3 steps in this procedure
Setting up an alias for Google SMTP
Setting up an alias for Zoho SMTP
Verifying sender email with SendGrid
2Sending the Test Email
Saving the contact should automatically redirect you to the conversation page. Click Send Email below.
Sending the Test Email (image 4 of 7)What this shows Email Deliverability How to Send a Test Email in a Conversation Create a test contact, send a test email, configure your sender address…What this showsIllustrates the "Sending the Test Email" section of "How to send a test email in the Conversation".This screenshot appears in the "Sending the Test Email" section of "How to send a test email in the Conversation". For context, this section explains: Email Deliverability How to Send a Test Email in a Conversation Create a test contact, send a test email, configure your sender address, and troubleshoot delivery issues. Overview This guide walks through creating a test contact, sending a test email, configuring your sender address for Mailgun or…. This part of the guide covers 3 fields, listed below.Image 4 of 7
Fields in this part of the guideSetting up an alias for Google SMTPSetting up an alias for Zoho SMTPVerifying sender email with SendGrid
Buttons and menus referencedClick here to switchContactsAdd ContactFirst nameemailSaveSend EmailSub-account Settings → Email Services
Configuring the Sender's Email (image 5 of 7)What this shows Email Deliverability How to Send a Test Email in a Conversation Create a test contact, send a test email, configure your sender address…What this showsIllustrates the "Configuring the Sender's Email" section of "How to send a test email in the Conversation".This screenshot appears in the "Configuring the Sender's Email" section of "How to send a test email in the Conversation". For context, this section explains: Email Deliverability How to Send a Test Email in a Conversation Create a test contact, send a test email, configure your sender address, and troubleshoot delivery issues. Overview This guide walks through creating a test contact, sending a test email, configuring your sender address for Mailgun or…. This part of the guide covers 3 fields, listed below.Image 5 of 7
Fields in this part of the guideSetting up an alias for Google SMTPSetting up an alias for Zoho SMTPVerifying sender email with SendGrid
Buttons and menus referencedClick here to switchContactsAdd ContactFirst nameemailSaveSend EmailSub-account Settings → Email Services
All 3 steps in this procedure
Setting up an alias for Google SMTP
Setting up an alias for Zoho SMTP
Verifying sender email with SendGrid
If you're using Mailgun
If you mask the sender email as testing@gmail.com, the reply-to address will show as testing@replies.subdomain.com — the Mailgun subdomain set up for the sub-account under Agency Settings → Email Services → Location Settings. Replies will still appear correctly in the sub-account's Conversation tab.
For example, if your Mailgun subdomain is subdomain.yourdomain.com, the reply-to email address will show as kate@subdomain.yourdomain.com.
Configuring the Sender's Email (image 6 of 7)What this shows Email Deliverability How to Send a Test Email in a Conversation Create a test contact, send a test email, configure your sender address…What this showsIllustrates the "Configuring the Sender's Email" section of "How to send a test email in the Conversation".This screenshot appears in the "Configuring the Sender's Email" section of "How to send a test email in the Conversation". For context, this section explains: Email Deliverability How to Send a Test Email in a Conversation Create a test contact, send a test email, configure your sender address, and troubleshoot delivery issues. Overview This guide walks through creating a test contact, sending a test email, configuring your sender address for Mailgun or…. This part of the guide covers 3 fields, listed below.Image 6 of 7
Fields in this part of the guideSetting up an alias for Google SMTPSetting up an alias for Zoho SMTPVerifying sender email with SendGrid
Buttons and menus referencedClick here to switchContactsAdd ContactFirst nameemailSaveSend EmailSub-account Settings → Email Services
All 3 steps in this procedure
Setting up an alias for Google SMTP
Setting up an alias for Zoho SMTP
Verifying sender email with SendGrid
You can set testing@subdomain.com as the sender's email address to improve deliverability, since the reply-to address domain will then match the sender's email domain.
You can also set up cold inbound email to capture any emails sent to addresses ending in @replies.subdomain.com.
If you're using SMTP integration
Go to Sub-account Settings → Email Services.
Copy the highlighted email address integrated as your SMTP sender, and use that as the sender email in the conversation tab.
Configuring the Sender's Email (image 7 of 7)What this shows Email Deliverability How to Send a Test Email in a Conversation Create a test contact, send a test email, configure your sender address…What this showsIllustrates the "Configuring the Sender's Email" section of "How to send a test email in the Conversation".This screenshot appears in the "Configuring the Sender's Email" section of "How to send a test email in the Conversation". For context, this section explains: Email Deliverability How to Send a Test Email in a Conversation Create a test contact, send a test email, configure your sender address, and troubleshoot delivery issues. Overview This guide walks through creating a test contact, sending a test email, configuring your sender address for Mailgun or…. This part of the guide covers 3 fields, listed below.Image 7 of 7
Fields in this part of the guideSetting up an alias for Google SMTPSetting up an alias for Zoho SMTPVerifying sender email with SendGrid
Buttons and menus referencedClick here to switchContactsAdd ContactFirst nameemailSaveSend EmailSub-account Settings → Email Services
All 3 steps in this procedure
Setting up an alias for Google SMTP
Setting up an alias for Zoho SMTP
Verifying sender email with SendGrid
Depending on your SMTP integration, you can set up an alias or verified sender to send from other addresses:
Once you send the email, if you don't receive it, be sure to check the spam folder.
For errors displayed in the Conversation view, we fetch the error from the Mailgun API or SMTP server and display it. Click the error icon to view the full message — it should explain why the email couldn't send.
If the error isn't helpful, open a support ticket with your SMTP provider so they can provide the delivery status for that email.
If you're using Mailgun, you can check the Mailgun logs and check out our email not sending help doc.
Q: Do I need to create a new test contact every time, or can I reuse one?
You can reuse the same test contact for future checks. Just make sure the email address on it is one you can actually access, so you can confirm delivery and test replies.
Q: Why does the reply-to address look different from the sender address on Mailgun?
When you mask the sender with a different address, replies are still routed through your Mailgun subdomain so they can be tracked back into the Conversation tab — that's why the reply-to domain can differ from the sender you typed.
Q: I don't see a Send Email button on the test contact's conversation — why?
Make sure the contact was saved with a valid email address and that you're viewing the Email tab (not SMS or another channel) within the conversation.
Q: Can I use my own personal email as the sender for testing?
Yes, for a quick test. For production sending, use a sender address on your verified/configured domain so deliverability and reply routing work as expected.
Q: How can I tell if a delivery failure is on our end vs. the recipient's mail server?
Click the error icon on the failed message in the Conversation view. If it references a specific rejection reason from the receiving mail server, the issue is likely on their end; if it references your domain setup, check your DNS/CNAME/MX records first.
Q: Do these steps differ if I'm on LC Email instead of Mailgun or SMTP?
The test contact and Send Email steps are the same. Sender configuration is simpler on LC Email since it's managed for you — you won't need to configure a Mailgun subdomain or SMTP alias separately.