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Sample sketches issue an error at 8266 ESP12 #335

Answered by mobizt
Proset2003 asked this question in Q&A
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After investigation, it is my false that I ever though that SSL fragmentation in IMAP is not support or not possible once testing many years ago since v3.x,x development.

The issue at that time may be related to the core sdk instead of SSL fragmentation issue as I understand.

Now you can set the SSL buffer size lower than the default IMAP setting value (16k) to gain more free memory.

You can use setSSLBufferSize (<rx_buffer_size>, <tx_buffer_size>) before imap.connect in the setup like the following.

imap.setSSLBufferSize(2048, 1024);

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