By contrast, he said, the CWU had secured a majority vote in favour of industrial action.
"Management are bearing down upon workers who are ill, " said CWU branch secretary Stephen Bell.
The row came as up to 130, 000 CWU members strike over pay and pensions.
The CWU fears 40, 000 jobs will go as a result of increased mechanisation of the system.
The CWU says that automation and modernisation can still be achieved without huge job cuts.
Talks between the Communication Workers Union (CWU) and Royal Mail have so far proven unsuccessful.
"This has resulted in stacks of mail remaining in the depot, " a CWU spokesman said.
Communication Workers Union (CWU) claim postal workers are "struggling to complete increased delivery rounds".
The CWU said delivery rounds had been revised, forcing too much work on the staff.
Bristol CWU area official David Wilshire said there would be no further strikes before Christmas.
The Communication Workers Union (CWU) claimed that staff had not had a pay rise for two years.
Bristol CWU area official David Wilshire said the decision came after a break-down in negotiations over workload issues.
But the government has warned the CWU to bear in mind that there are alternatives to the postal system.
Members of the CWU voted unanimously to oppose the closure plans on Sunday.
BBC: NEWS | UK | England | Berkshire | Mail union opposes centre closure
Billy Hayes, the general secretary of the CWU, said his members would not be impressed with the latest plan.
Talks between CWU members an the Royal Mail are expected to take place at the Slough Mail Centre on Tuesday.
BBC: NEWS | UK | England | Berkshire | Mail union opposes centre closure
The CWU said that of those who took part in the ballot, 88% voted for strike action, in a 75% turnout.
The Communication Workers Union (CWU) said the workforce would have to sort their rounds in Canterbury before delivering the mail in Whitstable.
The Communication Workers Union (CWU) said it had informed Royal Mail of its intention to take industrial action on Monday 10 December.
But the Communication Workers Union (CWU) said the franchising system had cost "thousands" of post office jobs since it began five years ago.
News of Shaw's death hit the campus of Central Washington University hard, according to Amy Hoover, chairwoman of the CWU Department of Aviation.
CNN: Musicians, 9/11 widow, family man among plane crash victims
The strike is organised by the Communications Workers Union (CWU) who claim such conditions hinder employees' ability to provide a good customer service.
The CWU has been lobbying delegates at the conference all week, urging them to keep all of Royal Mail in the public sector.
The Communication Workers Union (CWU) says its members are on strike because they are being asked to do more work with fewer people.
The Communication Workers Union (CWU) say cuts in staff and an increasing workload in the run-up to Christmas has left the sorting office in "chaos".
As a member of the CWU, and an employee of Royal Mail, I find the fact the company is being put up for sale very worrying.
The move is designed to cause continuous disruption to the nation's postal service throughout the period at a "minimum cost" to CWU members, union officials say.
Working with the CWU, Royal Mail - unlike many private mail companies - has created good quality, and secure jobs with decent pay, terms and conditions.
Lord Mandelson added that Monday's talks between the Royal Mail and CWU are an opportunity to end the deadlock and that both sides should seize the opportunity.
But the CWU made no announcements about possible strike dates.
应用推荐