We have quite big “GroupAll” with 10 subgroups (every subgroup has less than 12 kB field of Members). When sending mail to his group without encryption, the router process is correct. However, when the encryption is choosen, the router returns error:
“Too many recipients. Recipient addresses must total less than 2MB.”
However, the field Recipients (expanded GroupAll) is far less than 2 MB…
Is this issue with “encryption of many recipients” known? Or is it just a bug of our Domino server release (Win/64, R 9.0 FP3 HF241)?
… for explanation, but AFAIK the Recipients fields (resp. SendTo, CopyTo, etc…) are not encrypted… Maybe the encryption process of Body field is “joined” in some way with recipients - what do you think?
For your information: The Notes routing is used (the recipients are internal Notes users, therefore MIME conversion does not happen).
When we removed some users from groups, the message was routed fine and just Body field is encrypted (resulting in set of $SealData items)
Subject: Re: Error “Too many recipients…” when sending encypted mail
Hello Miroslav!
In fact there is a difference in size when sending Encrypted emails versus sending normal mail.
During sending encrypted emails, a scramble is happening. Meaning, each character that you put in the TO field, may be equal to 3 or more characters when encrypted. This explains why the error message shows up when you try to send an encrypted mail and not during sending normal mail.
In your case, the error message that you are receiving is a feature that is working as designed. Just like what we have recommended to you, please refrain from sending encrypted emails to a group having large number of members. A work around for the issue is to split the entire recipients to 2 or more small group recipients.
With regards to computing the size, they also mentioned that this is not possible since the alteration of the size of each character during encryption is a security procedure and doing this would result to a security leak.
