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Ihug has offered an apology to its customers affected by email problems last week.
"Ihug sincerely apologises to any customers that were affected by the two outages on Friday, wrote communications manager Annabel Gould in a statement to nzherald.co.nz.
"We realise that reliable email services are important to customers and as NZ's third largest ISP we need to do everything we can to make sure our customers have consistent access to their email."
Ihug's customers were hit with email problems late last week just days before a $750,000 mail system upgrade was implemented.
Last Friday, around half of the ISP's customers were unable to send or receive emails for three hours during the morning, and incapable of receiving mail for a further 90 minutes in the early evening.
Gould stressed to nzherald.co.nz that there were no emails lost in the shutdown, and that all emails were delivered once the system was working again.
The problem was not the same as that which affected some customers last year, and the new system will reduce the risk of further email issues.
The ihug mail system upgrade is scheduled for the end of this week, and will include a larger mailbox limit for webmail, as well as full address book and folder facilities and a search function.
Any existing data in customer webmail accounts will be transferred to the new system.
- NZ HERALD STAFF