Solution : https://service.sap.com/sap/support/notes/1415310 (SAP Service marketplace login required)
Key words :
support package stack guide, sender mail adapter polls, sender mail adapter, mail fetch sequence, spam attack directed, pop3 protocols supported, read/unread flag, average expected number, sap service marketplaces, 'n' unread mails
Related Notes :
1468660 | Duplication check for pop protocol |
1241039 | Duplication check and reliablity of mail adapter |