System Undeliverable, message size exceeds outgoing message size limit.
Rackspace email currently allows 50MB files, and Gmail (Google Apps) allows 25MB. You can change the limit using postconf command. Hey TechMonkey! the email attachment for the new platform allows you to upload up to 10 attachments to an overall maximum size of 25 MB. Email services reject email messages and notify the sender if the email (combined body text, body HTML, and attachments) exceeds approximately 10 MB (varies depending on language and character set). Fortunately, increasing the allowed attachment file size can be done with Send limit - max 1000 emails per day. There is no specific parameter to modify the attachment size limit.For business to business email what is a reasonable size limit? For example, a message with six 9MB attachments would not trigger a 10MB limit, because each individual attachment is below the The maximum email size for BT Mail or BT Premium Mail is set at 25MB. For more information about file attachment limits, click here.
The current Gmail attachment size limit is still 25MB, a real harsh figure for people who would like to send to their friends and family a home video, a bunch of photos, or any other files that exceed the Gmail file size limit. Instead of offering a conclusion, let’s review the most common SMTP errors related to the mail size.