Business email attachments being blocked or stripped is a common pain point for Indian businesses — PDF invoices, Word documents, and Excel files failing to reach clients. Usually caused by server-level antivirus blocking certain file types, attachment size limits, or the receiving server flagging your mail server as suspicious.
File type restrictions: Many mail servers block .exe, .zip, and even .pdf files from unknown senders. If your mail server doesn't have proper reputation, even safe attachments get blocked.
Attachment size limits: cPanel email typically limits attachments to 25-50MB. Some hosted mail servers limit to 10MB.
Poor server reputation: If your mail server IP has a poor reputation, receiving servers are more aggressive about blocking attachments from you.
Microsoft 365 handles attachments reliably — up to 150MB per message, excellent global reputation, and proper authentication that tells receiving servers your attachments are legitimate. Bagful migrates Indian businesses to Microsoft 365 from ₹75/user/month.
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