Undelivered sends, duplicate downloads, folder drift, attachments, and slow mailboxes.
Emailbeginner
Email sends successfully but never reaches recipient
IMAPSMTP
Emailbeginner
Email client keeps downloading the same messages
IMAPSMTP
Emailbeginner
IMAP folders do not match webmail folders
IMAPSMTP
Emailbeginner
Sent messages disappear from Sent folder
IMAPSMTP
Emailbeginner
Email attachments fail only above certain size
IMAPSMTP
Emailbeginner
Mail client shows certificate warning for valid server
IMAPSMTP
Emailbeginner
Email synchronization stops after password change
IMAPSMTP
Emailbeginner
Calendar invitations appear with wrong time
IMAPSMTP
Emailbeginner
Email client becomes extremely slow with large mailbox
IMAPSMTP
Emailbeginner
Search cannot find old messages that are still present
IMAPSMTP
