Spam detection usually comes in via SMTP, not IMAP ;)
What is is the backend MTA? Postfix? SendMail?
Are you looking to offer this for free, or as a value add?
You can also reach me offlist for suggestions..
On 17-07-18 08:50 AM, Mark Jeftovic wrote:
Thanks to all who replied thus far, to answer a few questions:
* our IMAP implementation is dovecot
* approx. 25K mail boxes but they will not all be using this, most won't
And a follow-up question:
* anybody familiar with zerospam.ca ?
Will summarize thread.
- mark
Mark Jeftovic wrote:
Hi, we're looking for recommendations for an antispam service we can
layer in front of our hosted IMAP offering.
We've tried a few services so far and our testing has found serious
deficiencies.
Requirements:
* hosted or virtual appliance
* quarantine with management (auto-purge options)
* prefer content based filtering over RBLs, having serious
false-positive issues with RBLs - bonus for being able to enable/disable
individual RBL's by domain/user
* tag-only mode
* user defined white-lists
* anti-virus filters
* API
* white-labelling a plus but not a requirement
Any feedback, experiences recommendations would be appreciated.
- mark
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