Increase permitted size of *received* messages?

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Increase permitted size of *received* messages?

DS212J, DS214play, DS216, DS216play, DS414, DS918+, RS212, RS816, RS819, DS223, DS920+
  1. RT2600ac
  2. MR2200ac
Operating system
  1. Windows
Mobile operating system
  1. iOS
Mail Server appears to be enforcing a maximum size of messages I can receive. A sender sending me a large message (I can't determine how big it must be to cause a problem) gets " 552 5.3.4 Message size exceeds fixed limit " in their bounce message from Mail Server.

Is there a way to increase the size limit?

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