Messages in junk/spam box

Messages we send from our mail sever always received at SPAM box in many Public Mail servers like hotmail, yahoo, and gmail. We made a revers dns lookup, and there is no spamming from our server, still messages go to junk.
how to solve this.


This message may contain confidential information from Sudanese Universities Information Network (SUIN). If you have received this message by mistake, please inform the sender by sending an e-mail reply. At the same time please delete the message and any attachments from your system without making, distributing or retaining any copies Although all our e-mails messages and any attachments upon sending are automatically virus scanned we assume no responsibility for any loss or damage arising from the receipt.
Sudanese Universities Information Network (SUIN), P.O.Box 321/22, University of
Khartoum, 11115, Khartoum, Sudan.

i would consider setting SPF records for your domains & mailservers.


Seems obvious to me.

Stop send stuff earmarked as junk.

NANAE is probably a better place to whine.