Pre-Requisites
>Features | Status | Description |
---|---|---|
Demo Version Limit | Supported | 100 Emails per account (We will migrate 100 Emails from first 5 folders from the selected source account) |
Date Filter | Supported | Applicable on Created Date(Sent Date) |
Folder Structure | Supported. | IMAP to IMAP migration should dynamically map folders between the source and destination |
Unicode Characters Names For Folders | Supported | Yes, if in accordance with Google rules. |
Folder Name Existing conflicts | Supported | Folders remain unaffected and gets used. |
Archive Folder | Not supported | We didn’t get emails under Archive folder in chilkat object at the time of reading. |
Subject Length | Supported | Support 255 characters. |
Trash | Not Supported | |
Policies | Not Supported | We didn’t get Polices in chitkat object at the time of reading. |
Read/Unread Status | Supported | |
Mail Attachments | Supported | |
Drive Attachment | Supported | Need to check for max size |
Drive Attachments | Supported | If the email contains a Google Drive link (e.g., https://drive.google.com/...), it will migrate successfully as long as the email body is preserved. |
Signatures settings | Not Supported | We didn’t get Signatures settings in chilkat object at the time of reading. |
Flags | Supported | Mark as Important |
Conversation Threads | Not Supported | Conversation threads are not maintained using chilkat.imap at the time of reading. |
Mail DateTime Retention | Supported | |
Drafts | Supported | DateTime maintained same as source |
Maximum Mail Size | Supported | 25 MB (Added separate table below for more details) |
Delta | Supported | |
Cross-language | Supported | Folder mapping not applicable. |
Folder color | Not supported | We didn’t get Folder colors in chilkat object at the time of reading. |
Hidden Folder | Not Supported | We didn’t get Hidden Folder in chilkat object at the time of reading. |
Multiple Labels assign to emails | Not Supported | We didn’t get multiple label assign to emails in chilkat object at the time of reading. |
Starred folder | Supported | “Starred” named folder created at destination |
Chats | Not Supported | Not in scope |
Spam | Supported | mapped with “Junk” folder |
Category Labels | Not Supported. | IMAP does not support Category labels |
Scheduled Mails | Not Supported | IMAP does not support Scheduled mails |
Snoozed Mails | Not supported | IMAP does not support Snoozed mails |
HTML Body | Supported | |
Folder name length | Supported | |
From, To, BCC ,CC | Supported | |
Attachments | Supported | |
Inline Images | Supported | |
Embedded attachments | Supported | |
Email plain body | Supported | |
Email Subject | Supported | |
Body and Subject in other than English Language | Supported | |
Message Header | Supported | |
All Mails | Not Supported | All folders mails are present in All Mails and we are migrating all folder mails so items will be duplicated at destination. |
Calendar invitation in mails | Supported |
Limitation | Reason |
---|---|
All folders present even if they are outside the date filter’s range | The application is designed to preprocess the folders first and then the Emails. |
Rate Limits & Throttling | Many providers limit the number of IMAP requests per hour/day Too many requests can cause temporary blocks or account suspensions. |
Mailbox Storage Limits | Make sure destination account have Enough space to migrate emails |
Attachment Size Limits | Large emails may fail or be truncated.(e.g., Gmail: 25 MB, ZOHO: 20 MB). |
Folder Mapping Problems | Folder names may vary across providers (e.g., Sent Mail in Gmail vs. Sent Items in Outlook). |
All Mail folder not migrated | Some folders may not migrate (e.g., Gmail’s [Gmail]/All Mail folder isn’t a standard IMAP folder). |
Email Provider | Max Attachment Size (Sending) |
---|---|
Gmail | 25 MB |
Outlook | 25 MB |
Yahoo Mail | 25MB |
Zoho Mail | 20MB |
iCloud | 25MB |
The application uses the IMAP protocol with the Chilkat library to access and migrate emails and folders.
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