Home Email Senders Bulk upload & connect SMTP/IMAP emails

Bulk upload & connect SMTP/IMAP emails

Last updated on Oct 22, 2025

Learn how to bulk upload SMTP/IMAP email senders at once with SalesBlink

Hi there!👋

Planning a massive cold outreach sequence?

You must be aware that if you use a few email senders to send large volumes then the emails are doomed to end up in Spam. ⚠️

But we've got you covered. 👍

With SalesBlink, you can bulk upload up to 100 SMTP/IMAP email senders at once.

Bulk Upload Email Senders

  1. Navigate to Email Senders and hit "Add Sender".

  2. Select Bulk Upload SMTP/IMAP Email Senders.

  1. Download the sample CSV file & fill all the details of your email senders.

Here's a breakdown of what the columns in CSV mean.

Column Name - from_name

Description - Display the name of your email sender.

Example - John Doe

Column Name - from_email

Description - The email address of the sender you are adding.

Example - [email protected]

Column Name - user_name

Description - Username of email sender, usually the same as email address or from_email.

Example - [email protected]

Column Name - password

Description - Password or App Password of the email sender.

Example - dsjknavaj42ds$

Column Name - smtp_host

Description - SMTP host of the email sender.

Example - smtp.server.com

Column Name - smtp_port

Description - SMTP port of the email sender.

Example - 465

Column Name - imap_host

Description - IMAP host of the email sender.

Example - imap.server.com

Column Name - imap_port

Description - IMAP port of the email sender.

Example - 992

Column Name - different_reply_to_address

Description - Should this email sender use a different IMAP username & password?

Example - TRUE or FALSE

Column Name - imap_user_name

Description - Username or email address of the IMAP server. (If "different_reply_to_address" is TRUE.)

Example - [email protected]

Column Name - imap_password

Description - Username or email address of the IMAP server. (If "different_reply_to_address" is TRUE.)

Example - dsjknavaj42ds$

Column Name - max_emails_per_day

Description - Max number of emails(including follow-ups) that should be sent per day with this email sender.

Example - 10

Column Name - signature_id

Description - ID of your email signature.(Check the FAQ section)

Example - a97a1b65-defc-4def-89b9-8a924cde7780

Column Name - custom_tracking_url

Description - Your custom tracking url for masking URLs, opens, and click tracking. Must be verified already.

Example - track.mycompany.com

Column Name - warmup_enabled

Description - WarmUp should be enabled for this email sender or not.

Example - TRUE or FALSE

Column Name - total_warmup_per_day

Description - Number of warmup emails to send per day, max 250.

Example - 10

Column Name - inbox_enable

Description - Replies to this email sender should be visible in the Inbox or not.

Example - TRUE or FALSE

  1. Upload the CSV file & hit Save.

Depending on the number of email senders you added, they should be ready for sending in a few minutes. 👍

FAQs

By mistake, I uploaded email senders with wrong credentials, now what?

  • Just re-upload the CSV file with correct credentials & SalesBlink will update the credentials for email senders.

I uploaded the file but only one or a few email senders got connected.

  • Make sure no cell in your CSV file contains a comma "," as it breaks the CSV file.

What if I want to bulk update Email WarmUp or other settings?

  • Just re-upload the CSV with updated information & SalesBlink will update the settings of email senders.

How can I find the ID of the email signature?

  • Head over to the Outreach Settings page & click on the clipboard icon to copy the ID of the signature.

Hope you found this help doc useful