Bulk import inboxes from Winnr, InboxKit or another tool

If you bought sending infrastructure from a third party — Winnr, InboxKit, Smartlead Infra, Mailforge, or any provider that hands you a CSV of mailboxes — you can import them all into BrandJet AI at once instead of connecting them one by one.

What can be bulk imported

• Mailboxes with SMTP and IMAP credentials. Google and Microsoft OAuth cannot be bulk imported; those must use the normal connect flow.

• Up to 1,000 mailboxes per CSV. Larger lots are fine if split into multiple files.

Required CSV format

One row per mailbox. The headers must match exactly (case-insensitive). The minimum required columns are:

• email — the sending address

• password — the SMTP/IMAP password (usually an app password)

• smtpHost and smtpPort — for example smtp.gmail.com and 587

• imapHost and imapPort — for example imap.gmail.com and 993

Optional but recommended:

• fromName — display name on outgoing mail

• smtpUsername and imapUsername — defaults to email if blank

• smtpTls and imapTls — one of ssl, starttls, or none

• dailyLimit — daily send cap for the mailbox

• warmupEnabled — true or false

Sample CSV

email,password,smtpHost,smtpPort,smtpTls,imapHost,imapPort,imapTls,fromName,dailyLimit,warmupEnabled
ada@yourbrand.io,xxxxx-app-password,smtp.gmail.com,587,starttls,imap.gmail.com,993,ssl,Ada Lovelace,30,true
ben@yourbrand.io,xxxxx-app-password,smtp.gmail.com,587,starttls,imap.gmail.com,993,ssl,Ben Carter,30,true

Importing

1. Open Accounts → Email → Bulk import.

2. Upload your CSV.

3. Map any columns we did not auto-detect.

4. We test each mailbox in parallel and show a per-row result before anything is saved.

5. Review failed rows, fix them in the CSV, and re-upload only those rows if you want.

6. Click Import on the successful rows.

Provider-specific notes

• Winnr exports a CSV with columns like Email, App Password, SMTP, IMAP. Rename headers to match the required format, or map them in the import dialog.

• InboxKit and Mailforge provide a similar CSV — column mapping in the dialog handles the differences automatically.

• Smartlead Infra exports include a tenant subdomain; you can leave that column unmapped or drop it before upload.

What happens after import

• Each mailbox is verified in the background. Failures show in Accounts → Email with the specific error.

• Warmup runs only on mailboxes where warmupEnabled was true.

• Daily limits start at the per-row value or a safe default (30 per day) and can be raised once warmup health is green.

Common errors

• Authentication failed — the password column has the login password instead of the app password.

• Connection timeout — wrong port for the chosen TLS mode.

• Domain not found — the email column contains a typo or a mailbox on a domain that does not resolve.

• Duplicate mailbox — the address is already connected to your workspace. Remove the duplicate before reuploading.