I recently set up SiS and imported a large chunk of mail. I've noticed one or two instances of this in the logs:
Mar 28 09:03:50 mail dovecot: imap(x...@yyy.zz): Error: Attachment file /mailstore/attachments/ce/73/ce737a45fe07495e2ae6466f9e381a30d5ec300406f11269d79bd5608cc0c922-822b3d2df67f8e4d7f5000009501e12a larger than expected (252218) Mar 28 14:52:34 mail dovecot: pop3(z...@xxx.yy): Error: Attachment file /mailstore/attachments/c5/e1/c5e13d671d1d796680ae7166363afcb819af3d9cd04e01de7d65031b2f732bdf-b2ecf918b910904d826200009501e12a larger than expected (143959) Could that be an indication of a hash collision? No problem reports from the affected users. Output of du -b below: 186572 /mailstore/attachments/ce/73/ce737a45fe07495e2ae6466f9e381a30d5ec300406f11269d79bd5608cc0c922-822b3d2df67f8e4d7f5000009501e12a 106489 /mailstore/attachments/c5/e1/c5e13d671d1d796680ae7166363afcb819af3d9cd04e01de7d65031b2f732bdf-b2ecf918b910904d826200009501e12a Both attachments are PDF documents. I'm using Dovecot 2.0.11 + changesets d3d6ed6d268b and 890a46b3ab63 from git. -- Andrew Lewis <and...@sybaweb.com>