[time-nuts] Time-nuts question on message size??? 119KB vs 165KB

Bob Camp kb8tq at n1k.org
Fri Jul 11 16:16:27 EDT 2014


Hi

There are *some* mail outfits that will reject anything over 64K bytes. I have not had to deal with any for a while, but they are still out there. How they continue to operate with those sort of limits, I have no idea.

Bob

On Jul 11, 2014, at 3:49 PM, Tom Van Baak (lab) <tvb at leapsecond.com> wrote:

> Paul,
> 
> Your expectation works for text attachments. But binary attachments (e.g., jpg) expand about 33%. That's 8/6, or log2(256)/log2(64), due to base64 encoding of 8-bit bytes.
> 
> In general, large attachments on this list are ok. It's just that when they are above 128k they are temporarily held for manual review. I let most of them go through with little delay.
> 
> /tvb (i5s)
> 
>> On Jul 11, 2014, at 9:21 AM, paul swed <paulswedb at gmail.com> wrote:
>> 
>> Trying to keep the message and attachements below the 128KB limit.
>> I send a 119KB message and it gets held as a 165KB message.
>> Can someone help me to understand the difference please?
>> Thanks
>> Paul
>> WB8TSL
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